Author: "Yinina Ma" - Searchworks@Jio Institute Digital Library Search Results

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60 results on '"Yinina Ma"'

1. Magnetodielectric Effect in a Triangular Dysprosium Single‐Molecule Toroics

Author: Yu‐Xia Wang, Yicheng Zhou, Yinina Ma, Peipei Lu, Yi‐Quan Zhang, Young Sun, and Peng Cheng
Subjects: magnetodielectric effect, single‐molecule magnets, single‐molecule toroics, triangular dysprosium SMMs, Science
Abstract: Abstract Single‐molecule toroics are molecular magnets with vortex distribution of magnetic moments. The coupling between magnetic and electric properties such as the magnetodielectric effect will provide potential applications for them. Herein, the observation of significant magnetodielectric effect in a triangular Dy3 crystal with toroidal magnetic moment and multiple magnetic relaxations is reported. The analysis of magnetic and electric properties implies that the magnetodielectric effect is closely related to the strong spin‐lattice coupling, magnetic interactions of Dy3+ ions, as well as molecular packing models.
Published: 2024
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2. Electrical detection and modulation of magnetism in a Dy-based ferroelectric single-molecule magnet

Author: Yu-Xia Wang, Dan Su, Yinina Ma, Young Sun, and Peng Cheng
Subjects: Science
Abstract: Abstract Electrical control of magnetism in single-molecule magnets with peculiar quantum magnetic behaviours has promise for applications in molecular electronics and quantum computing. Nevertheless, such kind of magnetoelectric effects have not been achieved in such materials. Herein, we report the successful realization of significant magnetoelectric effects by introducing ferroelectricity into a dysprosium-based single-molecule magnet through spatial cooperation between flexible organic ligands and halide ions. The stair-shaped magnetization hysteresis loop, alternating current susceptibility, and magnetic relaxation can be directly modulated by applying a moderate electric field. Conversely, the electric polarization can be modulated by applying a small magnetic field. In addition, a resonant magnetodielectric effect is clearly observed, which enables detection of quantum tunnelling of magnetization by a simple electrical measurement. The integration of ferroelectricity into single-molecule magnets not only broadens the family of single-molecule magnets but also makes electrical detection and modulation of the quantum tunnelling of magnetization a reality.
Published: 2023
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3. Ferroelectric Single‐Molecule Magnet with Toroidal Magnetic Moments

Author: Yu‐Xia Wang, Yinina Ma, Jie‐Su Wang, Yue Yang, Yun‐Nan Guo, Yi‐Quan Zhang, Kui‐Juan Jin, Young Sun, and Peng Cheng
Subjects: multiferroic materials, second‐harmonic generation, single‐molecule magnets, toroidal magnetic moments, Science
Abstract: Abstract Materials that coexist magnetic and electric properties on the molecular scale in single‐molecule magnets (SMMs) with peculiar quantum behaviors have promise in molecular electronics and spintronics. Nevertheless, such molecular materials are limited in potentials because their magnetic signal cannot be transformed into an electrical signal through magnetoresistance or Hall effects for their high insulativity. The discovery of an entirely new material, ferroelectric SMMs (FE SMMs) is reported. This FE SMM also shows single‐molecule magnetic behaviors, toroidal magnetic moments, and room‐temperature ferroelectricity. The toroidal moment is formed by a vortex distribution of magnetic dipoles in triangular Dy3 clusters. The analysis of ac magnetic susceptibility reveals the coexistence of three distinct magnetic relaxation processes at low temperatures. The ferroelectricity is introduced by incorporating polar alcohol molecules in the structure, which is confirmed by the X‐ray diffraction and optical second harmonic generation (SHG) measurements. Moreover, the dielectric measurements reveal a ferroelectric‐to‐ferroelectric phase transition around 150 K due to the symmetry change from Pc to Pna21. The coexistence of toroidal moment and ferroelectricity along with quantum magnetism in the rare‐earth single‐molecule magnets yields a unique class of multiferroics.
Published: 2022
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4. Evidence for field induced quantum spin liquid behavior in a spin-1/2 honeycomb magnet

Author: Gaoting Lin, Qirong Zhao, Gang Li, Mingfang Shu, Yinina Ma, Jinlong Jiao, Qing Huang, Jieming Sheng, Alexander Kolesnikov, Lu Li, Liusuo Wu, Xiaoqun Wang, Haidong Zhou, Zhengxin Liu, and Jie Ma
Abstract: One of the most important issues in modern condensed matter physics is the realization of fractionalized excitations, such as the Majorana excitations in the Kitaev quantum spin liquid. The 3d-based Kitaev candidate Na2Co2TeO6 is promising to realize such kind of spin liquid phase under external magnetic fields. Here, we first established a complete phase diagram comprising an intermediate magnetically disordered phase sandwiched by the zigzag ordered phase and the polarized trivial phase by the in-plane magnetic torque measurements. Then, the observations, including the restoration of the crystalline point group symmetry in the angle-dependent torque data and the coexisting spinons and magnons from the inelastic neutron scattering data, provide strong evidence that this disordered phase is a field induced quantum spin liquid with partially polarized spins. Our variational Monte Carlo simulation with the effective K-J1-Γ-Γ′-J3 model agrees well with the experimental data and further supports this conclusion.
Published: 2022

5. Unusual magnetostriction behavior and magnetoelectric effect in spinel MnV2O4

Author: X. H. Zhou, Ming-Xue Huo, Qing-Yuan Liu, Xianjie Wang, Yinina Ma, Jinguang Cheng, Ziyi Liu, Yu Sui, Young Sun, and Lei Tao
Subjects: Physics, Spinel, Magnetoelectric effect, Magnetostriction, 02 engineering and technology, engineering.material, 021001 nanoscience & nanotechnology, 01 natural sciences, Condensed Matter::Materials Science, Magnetization, Crystallography, Tetragonal crystal system, Polarization density, 0103 physical sciences, Large strain, engineering, Structural transition, 010306 general physics, 0210 nano-technology
Abstract: We investigated the magnetostriction behaviors and magnetoelectric effect of spinel structured $\mathrm{Mn}{\mathrm{V}}_{2}{\mathrm{O}}_{4}$ using the magnetization, thermal expansion, magnetostriction, permittivity, and pyroelectricity measurements. Two successive transitions were observed at ${T}_{S}$ and ${T}^{*}$ in all measurements. The weak electric polarization begins to appear below ${T}_{S}$, and can be suppressed noticeably by applying a magnetic field below ${T}^{*}$, indicative of the obvious magnetoelectric effect in $\mathrm{Mn}{\mathrm{V}}_{2}{\mathrm{O}}_{4}$. Furthermore, $\mathrm{Mn}{\mathrm{V}}_{2}{\mathrm{O}}_{4}$ exhibits large low-field magnetostriction up to 6000 ppm at 7 kOe between ${T}^{*}$ and ${T}_{S}$. Except for the strain at the structural transition ${T}_{S}, \mathrm{Mn}{\mathrm{V}}_{2}{\mathrm{O}}_{4}$ also shows another large strain at ${T}^{*}$ under the magnetic field, originating from the rearrangement of tetragonal domains. Decreasing temperature allows the easy magnetization axis of $\mathrm{Mn}{\mathrm{V}}_{2}{\mathrm{O}}_{4}$ to rotate from parallel to the $a{b}_{\mathrm{T}}$ plane to parallel to the ${c}_{T}$ axis because of the disappearance of weak orbital fluctuations at ${T}^{*}$, which leads to the rearrangement of tetragonal domains at ${T}^{*}$ under the magnetic field.
Published: 2020

6. First Measurement of Λc Baryon Production in Au+Au Collisions at sNN=200 GeV

Author: Jongmin Lee, R. L. Ray, Jorn Henning Putschke, R. Ma, Jaroslav Bielcik, A. V. Brandin, F. Videbæk, Y. Hu, T. Ljubicic, Takafumi Niida, O. V. Rogachevskiy, F. G. Atetalla, A. Quintero, Niseem Magdy, O. D. Tsai, H. Caines, M. Zyzak, Daniel Nemes, Jie Zhao, S. Horvat, J. W. Harris, Sujit Kumar Tripathy, Zhaoping Liu, Diana Pawlowska, P. C. Weidenkaff, N. S. Lukow, W. Q. Shen, K. Gopal, J. K. Adkins, W. Zha, Xuan Zhang, A. Francisco, D. N. Svirida, Nasim, R. Fatemi, Chong Kim, K. Yip, J. S. Wang, B. Pawlik, Todd Kinghorn, J. B. Singh, D. Tlusty, H. Liu, Sergey Voloshin, Xiaofeng Luo, Guo-Liang Ma, E. P. Sichtermann, Li Yi, K. Krueger, R. Lacey, H. G. Ritter, Xinyue Ju, Peter Q. Liu, Vitaly Okorokov, Nilay Shah, W. Guryn, P. Seyboth, David Stewart, G. Eppley, A. H. Tang, Pengdong Wang, Hanna Paulina Zbroszczyk, Lukas Holub, Bedangadas Mohanty, Justin Ewigleben, G. Odyniec, E. Hoffman, Rafal Sikora, P. Kravtsov, Fuwang Shen, Zebo Tang, I. Kisel, K. Jiang, T. G. Dedovich, Bernd Surrow, Wei Xie, N. Elsey, J. Porter, L. C. Bland, Sevil Salur, A. Jentsch, J. Fedorisin, Jan Vanek, Leszek Adamczyk, W. He, M. Kelsey, C. Zhong, J. Pluta, Z. Chang, W. B. Schmidke, M. Cherney, N. Chankova-Bunzarova, J. D. Nam, Zuojia Wang, A. Aparin, T. Ullrich, Lokesh Kumar, Hua Pei, C-Q. Li, P. Sorensen, M. S. Daugherity, Chi Yang, X. G. He, C. Perkins, Q. H. Xu, M. Calderon De La Barca Sanchez, A. I. Hamad, C. A. Gagliardi, Sedigheh Jowzaee, W. Li, V. Bairathi, Skipper Kagamaster, L. Ma, R. Kunnawalkam Elayavalli, Anju Bhasin, R. Reed, N. R. Sahoo, J. D. Brandenburg, D. G. Underwood, H. S. Xu, Z. J. Zhang, Christina Markert, Y. Panebratsev, Saehanseul Oh, D. Grosnick, Y. Xu, D. Kincses, Rene Bellwied, M. Sergeeva, N. Schmitz, B.R. Schweid, Z. Chen, H. S. Matis, Z. Zhang, Madan M. Aggarwal, Y. Hong, Fuqiang Wang, D. Isenhower, A. Pandav, J. R. Adams, Susumu Sato, E. Shahaliev, S. Choudhury, K. Kauder, L. Didenko, I. Chakaberia, Z. Yang, R. E. Tribble, K. Kang, J. Cheng, Y. Lin, L. V. Nogach, E. C. Aschenauer, Siwei Luo, D. Kalinkin, Zhigang Xiao, Frank Jm Geurts, S. Margetis, A. Lebedev, T. Huang, W. Solyst, N. G. Minaev, Samuel Heppelmann, M. Nie, K. N. Barish, Z. Moravcova, W. W. Jacobs, T. J. Humanic, R. Witt, K. Nayak, J. Lauret, T. Galatyuk, X. Dong, J. H. Thomas, Y. Fisyak, D. Zhang, Yunpeng Liu, Derek Anderson, N. Kulathunga Mudiyanselage, C. Zhou, R. Esha, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, B. J. Summa, T. Tarnowsky, Z. Tu, A. Hamed, S. Esumi, M. I. Nagy, F-H. Chang, Q. Yang, Robert Licenik, Anthony Robert Timmins, Adam Ryszard Kisiel, Hiroyuki Sako, L. Fulek, P. Szymanski, Xiaoyu Liu, Yawen Wang, Tong Liu, G. Agakishiev, D. Cebra, Arghya Chatterjee, Yunlan Ji, Roland Laszlo Pinter, H. J. Crawford, S. Mioduszewski, Y. Li, B. Kimelman, R. S. Longacre, G. Wang, Zhanwen Zhu, X. Huang, A. Kechechyan, Lawrence Pinsky, S. Kabana, G. S. Averichev, E. G. Judd, D. Kapukchyan, D. Keane, A. A. Derevschikov, M. L. Kabir, Prithwish Tribedy, B. K. Srivastava, D. Mallick, Y. H. Leung, J. Rusnak, Nikolai Smirnov, M. Csanad, Isaac Mooney, Xiangming Sun, J. Jia, Shize Yang, W. Christie, M. Kocan, P. Federic, Xiaofeng Zhu, Ying Liang, T. Nonaka, N. Herrmann, Arabinda Behera, L. Ruan, S. Lan, Yinina Ma, F. Seck, I. G. Alekseev, M. A. Lisa, Subhash Singha, Andrey Vasiliev, J. Engelage, M. Posik, Shengli Huang, Jana Bielcikova, G. Igo, S. Ramachandran, A. Ogawa, B. K. Chan, Michal Sumbera, A. A. P. Suaide, D. A. Morozov, H. M. Spinka, X.G. Li, G. Nigmatkulov, J. L. Romero, O. Eyser, Catherine Tomkiel, J. C. Webb, J. L. Drachenberg, Janet Elizabeth Seger, J. Butterworth, I. G. Bordyuzhin, Olga Evdokimov, M. Tokarev, I. Vassiliev, Z. Ye, Lukas Kramarik, J. M. Landgraf, N. Xu, P. Filip, D. Chen, Hengshan Qiu, R. Seto, E. Finch, Y. F. Xu, I. M. Deppner, I. Upsal, S. W. Wissink, D. Neff, Y. Zhang, M. Strikhanov, G. D. Westfall, J. A. Mazer, S. K. Radhakrishnan, Jay Roberts, F. Liu, Miroslav Simko, B. S. Page, Maria Zurek, P. V. Shanmuganathan, Mariusz Przybycien, J. Sandweiss, Y. Yang, H. W. Ke, T. D. S. Stanislaus, Yicheng Feng, D. P. Kikola, L. K. Kosarzewski, J. C. Dunlop, L. Wen, M. U. Ashraf, C. Jena, Zubayer Ahammed, H. H. Wieman, B. Stringfellow, R. D. Majka, Q. Y. Shou, H. Z. Huang, S. Vokal, J. M. Nelson, N. K. Pruthi, R. Pak, W. J. Llope, G. Xie, J. Adam, A. Attri, C. J. Feng, P. Huo, T. Edmonds, Y. J. Sun, S. Fazio, Xuliang Chen, Maria Stefaniak, Joseph Kwasizur, M. Shao, G. Van Buren, S. S. Shi, Jing-Han Chen, Arkadiy Taranenko, Yong Wu, A. Gibson, S. Zhang, Alexander Kiselev, P. Chaloupka, Ting Lin, Z. J. Xu, S. Trentalange, and M. Chevalier
Subjects: Physics, Meson, Star (game theory), Nuclear Theory, High Energy Physics::Phenomenology, Hadron, General Physics and Astronomy, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, Hadronization, Baryon, Nuclear physics, 0103 physical sciences, Transverse momentum, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We report on the first measurement of the charmed baryon Λ_{c}^{±} production at midrapidity (|y
Published: 2020

7. Observation of β-delayed 2He emission from the proton-rich nucleus 22Al

Author: W. Q. Shen, P.F. Bao, D. Q. Fang, Yilin Wang, J. B. Ma, J. S. Wang, Mingju Lv, Li-Jie Sun, H. W. Wang, Youhua Yang, Peng Ma, Shuangqiang Wang, Xi-Guang Cao, W.B. He, Yinina Ma, C. Zhou, Z.T. Dai, C.J. Lin, H.Q. Zhang, Bing Ding, X.X. Xu, S.L. Jin, S.Q. Ye, Mei Huang, L. Liu, J. G. Wang, M.H. Zhao, Z. Bai, Yufeng Li, and Kun Wang
Subjects: Physics, Nuclear and High Energy Physics, Momentum (technical analysis), Proton, 010308 nuclear & particles physics, Monte Carlo method, 01 natural sciences, lcsh:QC1-999, Coincidence, Charged particle, medicine.anatomical_structure, 0103 physical sciences, medicine, Atomic physics, 010306 general physics, Nucleus, lcsh:Physics
Abstract: The β-delayed two-proton emission from 22Al was investigated experimentally through the implantation-decay method. A β-delayed two-proton decay branch from 22Al were identified based on the coincidence of the charged particles and γ-ray signals. The relative momentum ( q p p ) and the opening angle ( θ p p ) distributions of the two β-delayed protons are measured and a strong peak at q p p ∼ 20 MeV/c , as well as a peak at θ p p ∼ 30 ∘ are observed clearly. The β-delayed 2He emission from 22Al with a probability of 29 (13)% by fitting the experimental data with the results of Monte Carlo simulations.
Published: 2018

8. Observation of Excess J/ψ Yield at Very Low Transverse Momenta in Au+Au Collisions at sNN=200 GeV and U+U Collisions at sNN=193 GeV

Author: Shize Yang, Kejun Kang, P. Seyboth, F. Seck, Xiaofeng Luo, M. Posik, Arka Chatterjee, Jan Vanek, Leszek Adamczyk, I. K. Yoo, Vitaly Okorokov, H. M. Spinka, Guo-Liang Ma, Xiaoyu Liu, K. Yip, L. C. Bland, G. Eppley, Zongye Zhang, I. G. Bordyuzhin, Bernd Surrow, B. J. Summa, Anik Gupta, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, E. G. Judd, Li Yi, S. K. Radhakrishnan, L. Fulek, D. G. Underwood, Y. Li, S. Singha, N. Elsey, Frank Jm Geurts, T. Galatyuk, Q. H. Xu, N. Kulathunga Mudiyanselage, Chi Yang, Z. Chang, W. B. Schmidke, J. H. Thomas, J. C. Dunlop, L. Wen, J. Pluta, B.R. Schweid, J. Cheng, D. N. Svirida, N. G. Minaev, C. A. Gagliardi, Lukas Holub, Bedangadas Mohanty, P. Federic, Zubayer Ahammed, Muhammad Usman Ashraf, C. Zhou, K. Meehan, Chong Kim, H. G. Ritter, S. Ramachandran, N. Chankova-Bunzarova, Skipper Kagamaster, R. Lacey, Rafal Sikora, K. Kauder, P. Kravtsov, F-H. Chang, Q. Yang, Jaroslav Bielcik, Fuwang Shen, K. N. Barish, O. Eyser, J. A. Mazer, Jaroslav Adam, Sergey Voloshin, X. Huang, A. Kechechyan, Sumit R. Das, C. Zhong, E. C. Aschenauer, S. Margetis, Y. Panebratsev, Q. Y. Shou, L. Ma, O. V. Rogachevskiy, A. Quintero, Joseph Kwasizur, Roli Esha, Rene Bellwied, Saehanseul Oh, D. Grosnick, D. Arkhipkin, A. Hamed, Pradip Kumar Sahu, T. Nonaka, Xinyue Ju, J. Rusnak, L. V. Nogach, Nihar Sahoo, X. Dong, Peter Q. Liu, Daniel Nemes, Jie Zhao, S. Horvat, G. Wang, G. S. Averichev, W. Christie, R. Pak, M. Kocan, J. L. Drachenberg, Olga Evdokimov, M. Zyzak, M. Shao, G. Van Buren, Nasim, S. S. Shi, Zebo Tang, L. Ruan, K. Jiang, Nilay Shah, B. K. Chan, Michal Sumbera, A. A. P. Suaide, J. Porter, Catherine Tomkiel, Tetsuro Sugiura, I. Upsal, Robert Licenik, F. Videbæk, Sujit Kumar Tripathy, B. Huang, R. E. Tribble, Jay Roberts, Jana Bielcikova, M. Tokarev, H. Z. Huang, Yanjun Wu, S. Vokal, T. Todoroki, Y. J. Sun, E. P. Sichtermann, Anthony Robert Timmins, Adam Ryszard Kisiel, N. Herrmann, T. G. Dedovich, Jorn Henning Putschke, Sukalyan Chattopadhyay, Maria Zurek, Madan M. Aggarwal, A. Lipiec, Fuqiang Wang, C. Dilks, D. K. Mishra, Samuel Heppelmann, A. V. Brandin, B. Tu, S. Siejka, S. Fazio, Xuliang Chen, M. Kelsey, M. Csanad, Roland Laszlo Pinter, H. J. Crawford, W. Zha, G. Agakishiev, A. A. Derevschikov, L. Zhang, H. W. Ke, J. K. Adkins, Arabinda Behera, J. W. Harris, Yicheng Feng, D. Kalinkin, R. S. Longacre, F. G. Atetalla, K. Nayak, O. D. Tsai, S. W. Wissink, Y. Zhang, T. D. S. Stanislaus, Xiaofeng Zhu, M. Sergeeva, Ying Liang, JSingh, R. Fatemi, L. He, Vipul Bairathi, J. L. Romero, I. Vassiliev, Lukas Kramarik, Y. Hong, J. H. Chen, Todd Kinghorn, K. Krueger, ShinIchi Esumi, D. Cebra, D. Zhang, E. Finch, Zhigang Xiao, T. Huang, Andrey Vasiliev, A. Ogawa, Siwei Luo, W. Q. Shen, C. Perkins, J. Bryslawskyj, P. V. Shanmuganathan, D. Mallick, H. H. Wieman, X.G. Li, C-Q. Li, T. Edmonds, R. Witt, T. Ullrich, W. Guryn, S. Mioduszewski, P. Chaloupka, I. Kisel, P. Sorensen, A. H. Tang, H. Liu, Pengdong Wang, Christina Markert, Ting Lin, Z. J. Xu, David Stewart, Yunpeng Liu, Derek Anderson, Zhanwen Zhu, G. Igo, Prithwish Tribedy, B. K. Srivastava, D. Smirnov, O. Rusnakova, H. S. Matis, Shengli Huang, M. Cherney, J. Fedorisin, Sevil Salur, M. M. Mondal, I. Bunzarov, S. Trentalange, O. Matonoha, J. D. Brandenburg, S. Kabana, Y. Wang, Y. Fisyak, Lokesh Kumar, Hua Pei, H. S. Xu, K. Oh, Z. Moravcova, W. W. Jacobs, J. Butterworth, J. Lauret, Janet Elizabeth Seger, J. Engelage, Justin Ewigleben, G. Odyniec, Isaac Mooney, J. Jia, N. Xu, P. Filip, Jongmin Lee, G. Nigmatkulov, T. J. Humanic, Z. Ye, A. K. Bhati, D. Keane, M. Nie, Nikolai Smirnov, B. Pawlik, Xiangming Sun, Y. F. Xu, R. L. Ray, Zhao Liu, A. Gibson, R. Ma, R. Lednicky, L. Kochenda, T. Tarnowsky, Yinina Ma, S. Zhang, L. Didenko, I. Chakaberia, P. Szymanski, I. M. Deppner, D. Kapukchyan, T. Ljubicic, G. D. Westfall, Xuan Zhang, J. M. Landgraf, Niseem Magdy, H. Caines, M. Lomnitz, Dmitry Morozov, M. Strikhanov, Anju Bhasin, Wei Li, G. Xie, R. Aoyama, Wei Xie, A. Aparin, Hanna Paulina Zbroszczyk, N. K. Pruthi, A. J. Bassill, N. Schmitz, E. Shahaliev, T. Niida, A. Lebedev, J. C. Webb, J. Sandweiss, J. R. Adams, R. Kunnawalkam Elayavalli, R. Reed, W. Solyst, L. K. Kosarzewski, R. Seto, J. M. Nelson, W. J. Llope, I. G. Alekseev, Alexander Jentsch, M. A. Lisa, J. C. Mei, A. Attri, P. Huo, B. S. Page, D. P. Kikola, B. Stringfellow, F. Liu, Miroslav Simko, Mariusz Przybycien, Y. Yang, R. D. Majka, J. Schambach, and A. Taranenko
Subjects: Physics, Hadron, General Physics and Astronomy, Modification factor, Plasma, 01 natural sciences, Nuclear physics, Transverse plane, 0103 physical sciences, Quark–gluon plasma, Transverse momentum, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics
Abstract: We report on the first measurements of J/ψ production at very low transverse momentum (p_{T}
Published: 2019

9. Polarization of Λ ( Λ¯ ) Hyperons along the Beam Direction in Au+Au Collisions at sNN=200 GeV

Author: D. G. Underwood, J. K. Adkins, Madan M. Aggarwal, Fuqiang Wang, D. K. Mishra, R. Fatemi, L. He, Todd Kinghorn, P. Sorensen, Nasim, J. Porter, K. Krueger, S. Fazio, Xuliang Chen, Z. Yang, J. Cheng, J. D. Brandenburg, D. Kalinkin, G. Wang, T. J. Humanic, Jorn Henning Putschke, A. V. Brandin, I. G. Alekseev, M. A. Lisa, J. C. Mei, Takafumi Niida, Vipul Bairathi, I. Kisel, Maria Stefaniak, D. Zhang, L. Didenko, I. Chakaberia, F. Liu, Miroslav Simko, M. Cherney, Siwei Luo, Lokesh Kumar, F. Videbæk, Hua Pei, Yawen Wang, J. L. Drachenberg, Mariusz Przybycien, D. Tlusty, G. Eppley, Y. Yang, N. Herrmann, P. Chaloupka, Ting Lin, Z. J. Xu, Olga Evdokimov, Zhigang Xiao, S. Siejka, T. Huang, B. S. Page, L. V. Nogach, Jaroslav Bielcik, Yunpeng Liu, Derek Anderson, D. P. Kikola, Arka Chatterjee, B. K. Chan, Michal Sumbera, R. D. Majka, W. Guryn, I. Upsal, Tong Liu, S. Trentalange, A. A. P. Suaide, P. Seyboth, B. Stringfellow, B. J. Summa, Sukalyan Chattopadhyay, J. Schambach, M. Tokarev, J. Pluta, N. Chankova-Bunzarova, Jay Roberts, W. Li, Catherine Tomkiel, J. H. Thomas, Anju Bhasin, G. Xie, J. C. Webb, A. J. Bassill, K. Kang, G. Agakishiev, Jongmin Lee, N. Xu, P. Filip, Skipper Kagamaster, Joseph Kwasizur, M. Shao, G. Van Buren, D. Cebra, R. L. Ray, A. Lebedev, Y. Li, S. Singha, Maria Zurek, Jan Vanek, Leszek Adamczyk, R. Seto, L. Ma, Rene Bellwied, H. W. Ke, K. Kauder, Arabinda Behera, R. Ma, F-H. Chang, Q. Yang, D. Arkhipkin, A. Hamed, L. Zhang, Q. H. Xu, O. V. Rogachevskiy, A. Quintero, M. Zyzak, ShinIchi Esumi, R. E. Tribble, Zhanwen Zhu, S. Kabana, J. Fedorisin, G. D. Westfall, T. D. S. Stanislaus, H. H. Wieman, P. Federic, Zebo Tang, Zhaoping Liu, Diana Pawlowska, Wei Xie, S. W. Wissink, Y. Zhang, M. M. Mondal, Robert Licenik, Anthony Robert Timmins, Adam Ryszard Kisiel, S. S. Shi, G. S. Averichev, Sujit Kumar Tripathy, Yicheng Feng, J. Engelage, W. Christie, Isaac Mooney, J. Jia, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, Vitaly Okorokov, Roland Laszlo Pinter, H. J. Crawford, T. Ljubicic, Justin Ewigleben, G. Odyniec, C. Zhong, Andrey Vasiliev, G. Nigmatkulov, Bernd Surrow, Yunlan Ji, Shize Yang, B.R. Schweid, Xiaofeng Luo, X.G. Li, M. Kelsey, Guo-Liang Ma, J. C. Dunlop, L. Wen, B. Pawlik, Janet Elizabeth Seger, A. Aparin, Yinina Ma, H. Caines, I. M. Deppner, S. Ramachandran, M. Csanad, N. Elsey, K. N. Barish, O. Eyser, A. Gibson, Daniel Nemes, Jie Zhao, S. Horvat, F. Seck, S. Zhang, J. M. Landgraf, Li Yi, M. Lomnitz, Xiangming Sun, Jaroslav Adam, C. Jena, Zubayer Ahammed, B. Huang, I. K. Yoo, M. Posik, Z. Chang, Jing-Han Chen, M. Strikhanov, H. M. Spinka, L. K. Kosarzewski, J. Rusnak, X. Huang, C. Perkins, A. Kechechyan, W. B. Schmidke, Muhammad Usman Ashraf, E. P. Sichtermann, J. M. Nelson, M. Kocan, Xiaoyu Liu, C. A. Gagliardi, Xiaofeng Zhu, Ying Liang, P. Kravtsov, Fuwang Shen, W. J. Llope, L. Ruan, A. Lipiec, Pradip Kumar Sahu, R. S. Longacre, T. Nonaka, N. G. Minaev, W. Zha, Y. Fisyak, Sergey Voloshin, P. V. Shanmuganathan, J. Sandweiss, J. R. Adams, Alexander Jentsch, W. Solyst, K. Oh, A. A. Derevschikov, T. Todoroki, A. Ogawa, Q. Y. Shou, E. G. Judd, D. Mallick, Anik Gupta, T. Ullrich, J. W. Harris, P. Szymanski, R. Pak, Frank Jm Geurts, G. Igo, Xinyue Ju, N. Schmitz, A. Attri, E. Shahaliev, T. Galatyuk, H. Z. Huang, S. Vokal, Lukas Holub, Bedangadas Mohanty, Arkadiy Taranenko, P. Huo, J. Butterworth, Z. Ye, Tetsuro Sugiura, Y. J. Sun, N. Magdy Abdelwahab Abdelrahman, C. Dilks, C. Zhou, J. Bryslawskyj, Xuan Zhang, Zongye Zhang, R. Witt, K. Meehan, H. S. Xu, Y. F. Xu, K. Jiang, I. G. Bordyuzhin, N.R. Sahoo, R. Aoyama, A. H. Tang, S. Mioduszewski, T. G. Dedovich, Pengdong Wang, Hanna Paulina Zbroszczyk, Jasvinder A. Singh, Yanjun Wu, I. Bunzarov, O. Matonoha, Prithwish Tribedy, B. K. Srivastava, Shengli Huang, D. A. Morozov, E. C. Aschenauer, R. Kunnawalkam Elayavalli, R. Reed, S. Margetis, N. K. Pruthi, N. Kulathunga Mudiyanselage, J. A. Mazer, X. Dong, M. Sergeeva, Sumit R. Das, C-Q. Li, Christina Markert, D. Smirnov, O. Rusnakova, T. Edmonds, H. S. Matis, Y. Hong, D. Kapukchyan, Z. Moravcova, W. W. Jacobs, J. Lauret, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, T. Tarnowsky, Z. Tu, Jana Bielcikova, A. K. Bhati, D. Keane, J. L. Romero, I. Vassiliev, Lukas Kramarik, E. Finch, Chong Kim, H. G. Ritter, Nikolai Smirnov, Rafal Sikora, F. G. Atetalla, M. Nie, R. Esha, O. D. Tsai, S. K. Radhakrishnan, L. Fulek, W. Q. Shen, K. Gopal, L. C. Bland, H. Liu, David Stewart, Chi Yang, D. N. Svirida, Sevil Salur, Y. Panebratsev, Saehanseul Oh, D. Grosnick, Samuel Heppelmann, B. Tu, K. Yip, K. Nayak, R. Lacey, Peter Q. Liu, and Nilay Shah
Subjects: Physics, Elliptic flow, Hyperon, General Physics and Astronomy, Vorticity, Polarization (waves), 01 natural sciences, Spectral line, Azimuth, Interferometry, 0103 physical sciences, Quadrupole, Atomic physics, Nuclear Experiment, 010306 general physics
Abstract: The Λ (Λ[over ¯]) hyperon polarization along the beam direction has been measured in Au+Au collisions at sqrt[s_{NN}]=200 GeV, for the first time in heavy-ion collisions. The polarization dependence on the hyperons' emission angle relative to the elliptic flow plane exhibits a second harmonic sine modulation, indicating a quadrupole pattern of the vorticity component along the beam direction, expected due to elliptic flow. The polarization is found to increase in more peripheral collisions, and shows no strong transverse momentum (p_{T}) dependence at p_{T} greater than 1 GeV/c. The magnitude of the signal is about 5 times smaller than those predicted by hydrodynamic and multiphase transport models; the observed phase of the emission angle dependence is also opposite to these model predictions. In contrast, the kinematic vorticity calculations in the blast-wave model tuned to reproduce particle spectra, elliptic flow, and the azimuthal dependence of the Gaussian source radii measured with the Hanbury Brown-Twiss intensity interferometry technique reproduce well the modulation phase measured in the data and capture the centrality and transverse momentum dependence of the polarization signal.
Published: 2019

10. Measurements of the transverse-momentum-dependent cross sections of J/ψ production at mid-rapidity in proton+proton collisions at s=510 and 500 GeV with the STAR detector

Author: Jorn Henning Putschke, Zebo Tang, A. V. Brandin, F. G. Atetalla, O. D. Tsai, G. Eppley, Vitaly Okorokov, T. J. Humanic, M. Kelsey, Bernd Surrow, Joseph Kwasizur, J. Pluta, E. P. Sichtermann, N. Elsey, J. L. Drachenberg, Y. Wang, Y. Fisyak, Roli Esha, Vipul Bairathi, C. Perkins, N. Chankova-Bunzarova, W. Li, K. Oh, Z. Chang, M. Shao, G. Van Buren, Skipper Kagamaster, W. Q. Shen, W. B. Schmidke, JSingh, C. A. Gagliardi, Olga Evdokimov, Madan M. Aggarwal, Daniel Nemes, Jie Zhao, Fuqiang Wang, S. Horvat, D. K. Mishra, D. Kalinkin, D. Zhang, S. Esumi, Chong Kim, S. S. Shi, I. Upsal, Y. Hong, P. Szymanski, M. Simko, Jay Roberts, J. Engelage, L. Ma, Rene Bellwied, R. E. Tribble, H. Liu, David Stewart, N. Xu, P. Filip, Jaroslav Bielcik, H. G. Ritter, B. K. Chan, Michal Sumbera, A. A. P. Suaide, Catherine Tomkiel, Q. H. Xu, O. V. Rogachevskiy, A. Quintero, Rafal Sikora, S. Fazio, Xuliang Chen, Maria Stefaniak, K. Yip, F. Liu, Mariusz Przybycien, Y. Yang, R. D. Majka, Xiangming Sun, Jana Bielcikova, P. Sorensen, B. Pawlik, Sevil Salur, I. Vassiliev, Anik Gupta, G. D. Westfall, J. Schambach, Anju Bhasin, G. Xie, A. J. Bassill, S. W. Wissink, Y. Zhang, J. D. Brandenburg, B. J. Summa, A. Gibson, S. Zhang, Jaroslav Adam, L. C. Bland, T. Niida, A. Lebedev, Frank Jm Geurts, T. Galatyuk, C. Zhou, L. Didenko, I. Chakaberia, S. Ramachandran, A. Taranenko, X. Huang, A. Kechechyan, Pradip Kumar Sahu, K. Meehan, D. P. Kiko la, J. Rusnak, N. K. Pruthi, A. K. Bhati, D. Keane, Nikolai Smirnov, O. Eyser, Nilay Shah, B. Huang, I. K. Yoo, Chi Yang, M. Kocan, W. Christie, L. Ruan, Maksym Zyzak, Xiaoyu Liu, R. S. Longacre, M. Tokarev, H. Z. Huang, S. Vokal, D. N. Svirida, Andrey Vasiliev, T. Todoroki, J. C. Webb, P. V. Shanmuganathan, M. M. Mondal, E. G. Judd, X.G. Li, P. Chaloupka, Ting Lin, D. Mallick, Y. Panebratsev, Janet Elizabeth Seger, Saehanseul Oh, D. Grosnick, I. M. Deppner, R. Seto, Xiaofeng Luo, Guo-Liang Ma, Z. J. Xu, S. Trentalange, T. D. S. Stanislaus, Lukas Holub, Bedangadas Mohanty, H. H. Wieman, G. Igo, Zhigang Xiao, T. Huang, Yunpeng Liu, Derek Anderson, Pu Wang, J. H. Chen, Li Yi, N. G. Minaev, Benjamin Schweid, K. N. Barish, Samuel Heppelmann, B. Tu, D. Arkhipkin, A. Hamed, D. A. Morozov, T. Edmonds, P. Kravtsov, Fuwang Shen, J. Butterworth, Z. Ye, Y. F. Xu, T. Nonaka, A. A. Derevschikov, F. Videbæk, S. K. Radhakrishnan, L. Fulek, Sukalyan Chattopadhyay, L. Zhang, Diana Pawlowska, Xuan Zhang, R. Aoyama, Hanna Paulina Zbroszczyk, T. Ullrich, J. Porter, Ivan Kisel, M. Nie, A. Lipiec, W. Zha, R. Kunnawalkam Elayavalli, R. Reed, Siwei Luo, J. W. Harris, J. Bryslawskyj, N. Kulathunga Mudiyanselage, K. Kauder, Nihar Sahoo, Zongye Zhang, I. G. Bordyuzhin, B. S. Page, B. Stringfellow, Maria Zurek, H. W. Ke, Yicheng Feng, G. Nigmatkulov, J. M. Landgraf, Arka Chatterjee, P. Seyboth, Jan Vanek, Leszek Adamczyk, D. Tlusty, Peng Huo, G. Agakishiev, Jongmin Lee, R. L. Ray, Jiangyong Jia, A. H. Tang, I. Bunzarov, Robert Licenik, Anthony Robert Timmins, Adam Ryszard Kisiel, J. A. Mazer, R. Ma, O. Matonoha, M. Strikhanov, P. Federic, Y. Li, S. Singha, D. Cebra, Isaac Mooney, Roland Laszlo Pinter, H. J. Crawford, Kejun Kang, J. K. Adkins, L. V. Nogach, Tetsuro Sugiura, K. Nayak, Sumit R. Das, Y. J. Sun, W. Guryn, R. Lacey, C. Dilks, R. Fatemi, L. He, J. Sandweiss, T. Ljubicic, Zhanwen Zhu, D. Kapukchyan, S. Kabana, Yinina Ma, Todd Kinghorn, S. L. Huang, K. Krueger, M. Csanad, Shize Yang, Nasim, J. Fedorisin, Niseem Magdy, H. Caines, Muhammad Usman Ashraf, M. Lomnitz, Xiaofeng Zhu, Ying Liang, G. Wang, R. Witt, Sergey Voloshin, S. Mioduszewski, F. Seck, A. I. Hamad, Sedigheh Jowzaee, M. Cherney, Lokesh Kumar, L. K. Kosarzewski, A. Ogawa, J. L. Romero, Xinyue Ju, Zhen Liu, J. M. Nelson, Hua Pei, S. K. Tripathy, M. Posik, Arabinda Behera, H. M. Spinka, D. G. Underwood, W. J. Llope, C-Q. Li, T. G. Dedovich, I. G. Alekseev, Tong Liu, K. Jiang, Yanjun Wu, Lukas Kramarik, Christina Markert, D. Smirnov, C. Zhong, E. C. Aschenauer, O. Rusnakova, S. Margetis, Prithwish Tribedy, B. K. Srivastava, N. Herrmann, H. S. Matis, M. A. Lisa, J. C. Mei, E. Finch, Alexander Jentsch, M. Sánchez Calderón de la Barca, Z. Moravcova, W. W. Jacobs, J. H. Thomas, X. Dong, S. Siejka, J. Lauret, J. Cheng, A. Attri, M. Sergeeva, P. Liu, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, T. Tarnowsky, H. Xu, F-H. Chang, Q. Yang, Wei Xie, Justin Ewigleben, G. Odyniec, A. Aparin, G. S. Averichev, N. Schmitz, J. C. Dunlop, L. Wen, E. Shahaliev, Zubayer Ahammed, Q. Y. Shou, R. Pak, J. R. Adams, and W. Solyst
Subjects: Physics, Nuclear physics, Range (particle radiation), Meson production, Proton, Transverse momentum, High Energy Physics::Experiment, Rapidity, Production (computer science), Nuclear Experiment, Relativistic Heavy Ion Collider, STAR detector
Abstract: We present measurements of the differential cross sections of inclusive J/ψ meson production as a function of transverse momentum (pTJ/ψ) using the μ+μ- and e+e- decay channels in proton+proton collisions at center-of-mass energies of 510 and 500 GeV, respectively, recorded by the STAR detector at the Relativistic Heavy Ion Collider. The measurement from the μ+μ- channel is for 0
Published: 2019

11. Magnetic-Field Tuning of Hydrogen Bond Order-Disorder Transition in Metal-Organic Frameworks

Author: Yu-Xia Wang, Junzhuang Cong, Yinina Ma, and Young Sun
Subjects: Physics, Condensed matter physics, Hydrogen bond, Point reflection, General Physics and Astronomy, Order (ring theory), 01 natural sciences, Ferroelectricity, Thermal expansion, Magnetic field, 0103 physical sciences, Antiferroelectricity, Metal-organic framework, 010306 general physics
Abstract: The ordering of polar hydrogen bonds may break space inversion symmetry and induce ferroelectricity or antiferroelectricity. This process is usually immune to external magnetic fields so that magnetic control of hydrogen bonds is very challenging. Here we demonstrate that the ordering of hydrogen bonds in the metal-organic frameworks $[{({\mathrm{CH}}_{3})}_{2}{\mathrm{NH}}_{2}]M{(\mathrm{HCOO})}_{3}$ ($M=\mathrm{Fe}$, Co) can be manipulated by applying magnetic fields. After cooling in a high magnetic field, the order-disorder transition of hydrogen bonds shifts to a lower or higher temperature, depending on antiferroelectricity or ferroelectricity induced by hydrogen bond ordering. Besides, the order-disorder transition leads to a giant thermal expansion, exceeding $\ensuremath{\sim}3.5\ifmmode\times\else\texttimes\fi{}{10}^{4}$ and $\ensuremath{\sim}2\ifmmode\times\else\texttimes\fi{}{10}^{4}\text{ }\text{ }\mathrm{ppm}$ for $M=\mathrm{Fe}$ and Co, respectively, which is much higher than that of inorganic ferroelectrics. The influence of magnetic field on hydrogen bond ordering is discussed in terms of the magnetoelastic coupling.
Published: 2019

12. Multiferroicity and magnetoelectric coupling in the paramagnetic state of the metal-organic framework [(CH

Author: Yinina, Ma, Junzhuang, Cong, and Young, Sun
Abstract: The metal-organic framework [(CH
Published: 2019

13. Methods for a blind analysis of isobar data collected by the STAR collaboration

Author: J. K. Adkins, J. Porter, H. Z. Huang, Nasim, R. Fatemi, S. Vokal, Y. Hong, G. Xie, D. N. Svirida, J. C. Dunlop, L. Wen, Todd Kinghorn, K. Krueger, M. S. Daugherity, A. Pandav, M. U. Ashraf, C. Jena, Zubayer Ahammed, Y. J. Sun, Zebo Tang, J. C. Webb, M. Sergeeva, T. J. Humanic, I. Kisel, Z. J. Zhang, M. Tokarev, J. Putschke, Mate Csanad, C. J. Feng, Y. Li, Xuan Zhang, Siwei Luo, R. Seto, W. He, M. Kelsey, B. S. Page, Q. Y. Shou, N. Xu, P. Filip, M. Cherney, Xiangming Sun, D. P. Kikola, M. I. Nagy, S. Choudhury, Z. Yang, B. Stringfellow, T. Edmonds, Hanna Paulina Zbroszczyk, S. He, Jaroslav Bielcik, D. Kapukchyan, R. Pak, Hua Pei, A. S. Nunes, I. Vassiliev, N. Kulathunga Mudiyanselage, C. Perkins, I. G. Alekseev, J. L. Drachenberg, Olga Evdokimov, Y. Hu, T. Nonaka, M. A. Lisa, R. Kunnawalkam Elayavalli, R. Reed, Wei Li, Shize Yang, I. Upsal, Wei Xie, T. D. S. Stanislaus, F. Videbæk, L. K. Kosarzewski, A. Jentsch, J. D. Nam, Tong Liu, He Xinzhong, J. M. Nelson, W. J. Llope, A. Aparin, O. V. Rogachevskiy, H. H. Wieman, A. Quintero, B. J. Summa, Maria Zurek, P. Sorensen, A. V. Brandin, J. Adam, S. Lan, F. Seck, H. W. Ke, G. Odyniec, C. Zhong, S. Harabasz, K. Kauder, S. K. Radhakrishnan, M. Zyzak, N. Schmitz, J. D. Brandenburg, Yicheng Feng, Y. Shi, M. Posik, E. Shahaliev, A. Attri, Arkadiy Taranenko, P. Huo, Frank Jm Geurts, T. Galatyuk, Y. Yu, S. Ramachandran, H. M. Spinka, C. Li, J. Engelage, O. Eyser, L. Didenko, I. Chakaberia, R. Witt, Z. Chen, L. V. Nogach, J. L. Romero, S. Mioduszewski, G. Nigmatkulov, K. N. Barish, Diana Pawlowska, C. Zhou, B.R. Schweid, Lukas Kramarik, Sujit Kumar Tripathy, Sanjeev Kumar, Madan M. Aggarwal, Y. He, E. Finch, Robert Licenik, Anthony Robert Timmins, Isaac Mooney, Fuqiang Wang, J. B. Singh, Prithwish Tribedy, B. K. Srivastava, Joseph Kwasizur, Susumu Sato, J. H. Thomas, Shengli Huang, D. A. Morozov, J. M. Landgraf, Xiaofeng Luo, Roland Laszlo Pinter, Takafumi Niida, Hao Qiu, W. Solyst, D. Chen, Guo-Liang Ma, X. Sun, M. Shao, G. Van Buren, Daniel Nemes, Yinina Ma, Jie Zhao, S. Horvat, M. Strikhanov, Li Yi, S. S. Shi, X. Huang, A. A. Derevschikov, A. Kechechyan, H. Caines, D. Kalinkin, F-H. Chang, Q. Yang, J. Sandweiss, Yawen Wang, Xiaoyu Liu, Sergey Voloshin, Xinyue Ju, G. Agakishiev, P. Kravtsov, K. Jiang, D. Cebra, D. Zhang, Jing-Han Chen, Zhanwen Zhu, Yanjun Wu, S. Fazio, Xuliang Chen, T. G. Dedovich, A. Hamed, S. Esumi, Maria Stefaniak, G. S. Averichev, W. Zha, Vitaly Okorokov, J. R. Adams, R. Lacey, Bernd Surrow, N. Elsey, Alexander Kiselev, D. G. Underwood, Z. Chang, D. Kincses, W. B. Schmidke, X. Gou, C. A. Gagliardi, Gary Westfall, E. G. Judd, J. Chen, J. Jia, V. Bairathi, Peter Q. Liu, Nilay Shah, Lokesh Kumar, Lawrence Pinsky, Lukas Holub, Bedangadas Mohanty, D. Tlusty, A. Ewigleben, A. Francisco, G. Eppley, K. Yip, J. S. Wang, A. I. Sheikh, W. Guryn, J. Pluta, P. Chaloupka, N. Chankova-Bunzarova, Skipper Kagamaster, L. Ma, Y. Xu, Ting Lin, Z. J. Xu, R. E. Tribble, Y. Lin, J. Fedorisin, Z. Liu, Yunlan Ji, S. Trentalange, Y. H. Leung, W. Christie, B. Pawlik, Subhash Singha, Andrey Vasiliev, A. Gibson, B. K. Chan, Michal Sumbera, A. A. P. Suaide, S. Zhang, Catherine Tomkiel, Hank Crawford, X.G. Li, S. W. Wissink, D. Neff, Janet Elizabeth Seger, Y. Zhang, I. M. Deppner, Anju Bhasin, P. V. Shanmuganathan, Z. Zhang, K. Kang, Arabinda Behera, A. Lebedev, L. Adamczyk, N. K. Pruthi, L. C. Bland, Y. F. Xu, S. Kabana, R. S. Longacre, Chi Yang, M. Calderon De La Barca Sanchez, A. I. Hamad, M. L. Kabir, Sedigheh Jowzaee, Arghya Chatterjee, D. Mallick, G. Igo, J. Butterworth, M. Nie, Z. Ye, N. G. Minaev, F. Liu, Zuojia Wang, Miroslav Simko, Mariusz Przybycien, Q. H. Xu, X. Chu, Y. Yang, P. Seyboth, J. W. Harris, R. D. Majka, N. S. Lukow, Jan Vanek, Hiroyuki Sako, L. Fulek, Chi Zhang, Chong Kim, A. H. Tang, Pengdong Wang, H. G. Ritter, P. Federic, Jianping Cheng, N. R. Sahoo, E. Hoffman, Rafal Sikora, R. Bellwied, Xiaofeng Zhu, Ying Liang, G. Wang, A. Ogawa, N. Herrmann, I. G. Bordyuzhin, J. A. Mazer, Y. Fisyak, Christina Markert, H. S. Matis, Z. Moravcova, W. W. Jacobs, J. Lauret, P. Szymanski, Yevheniia Khyzhniak, R. Lednicky, L. Kochenda, T. Tarnowsky, Z. Tu, Zhigang Xiao, T. Huang, M. Chevalier, Yunpeng Liu, Derek Anderson, Y. Panebratsev, D. Grosnick, Jongmin Lee, R. L. Ray, B. Kimelman, R. Ma, D. Isenhower, J. Rusnak, M. Kocan, L. Ruan, T. Ljubicic, Samuel Heppelmann, Jana Bielcikova, K. Nayak, Niseem Magdy, F. G. Atetalla, O. D. Tsai, E. P. Sichtermann, Seongshik Oh, P. C. Weidenkaff, W. Q. Shen, K. Gopal, T. Ullrich, H. S. Xu, H. Liu, David Stewart, E. C. Aschenauer, S. Margetis, X. Dong, Sevil Salur, D. Keane, and Nikolai Smirnov
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Star (game theory), Order (ring theory), FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, Combinatorics, High Energy Physics - Experiment (hep-ex), Nuclear Energy and Engineering, Reference sample, 0103 physical sciences, Isobar, Magnetic effect, Experimental methods, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment
Abstract: In 2018, the STAR collaboration collected data from $$_{44}^{96}{\mathrm{Ru}}+_{44}^{96}{\mathrm{Ru}}$$ and $$_{40}^{96}{\mathrm{Zr}}+_{40}^{96}{\mathrm{Zr}}$$ at $$\sqrt{s_\text {NN}}=200$$ GeV to search for the presence of the chiral magnetic effect in collisions of nuclei. The isobar collision species alternated frequently between $$_{44}^{96}{\mathrm{Ru}}+_{44}^{96}{\mathrm{Ru}}$$ and $$_{40}^{96}{\mathrm{Zr}}+_{40}^{96}{\mathrm{Zr}}$$ . In order to conduct blind analyses of studies related to the chiral magnetic effect in these isobar data, STAR developed a three-step blind analysis procedure. Analysts are initially provided a “reference sample” of data, comprised of a mix of events from the two species, the order of which respects time-dependent changes in run conditions. After tuning analysis codes and performing time-dependent quality assurance on the reference sample, analysts are provided a species-blind sample suitable for calculating efficiencies and corrections for individual $$\approx 30$$ -min data-taking runs. For this sample, species-specific information is disguised, but individual output files contain data from a single isobar species. Only run-by-run corrections and code alteration subsequent to these corrections are allowed at this stage. Following these modifications, the “frozen” code is passed over the fully un-blind data, completing the blind analysis. As a check of the feasibility of the blind analysis procedure, analysts completed a “mock data challenge,” analyzing data from $${\mathrm{Au}}+{\mathrm{Au}}$$ collisions at $$\sqrt{s_\text {NN}}=27$$ GeV, collected in 2018. The $${\mathrm{Au}}+{\mathrm{Au}}$$ data were prepared in the same manner intended for the isobar blind data. The details of the blind analysis procedure and results from the mock data challenge are presented.
Published: 2019
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14. Measurement of groomed jet substructure observables in p+p collisions at s=200 GeV with STAR

Author: Chong Kim, H. G. Ritter, E. Hoffman, Rafal Sikora, R. Bellwied, L. C. Bland, S. Singha, I. Vassiliev, S. Kabana, Chi Yang, M. Nie, Hiroyuki Sako, L. Fulek, S. Oh, Xiaofeng Luo, Guo-Liang Ma, N. Kulathunga Mudiyanselage, Vitaly Okorokov, M. Chevalier, Li Yi, Joseph Kwasizur, J. L. Drachenberg, Olga Evdokimov, Bernd Surrow, M. Shao, G. Van Buren, Benjamin Schweid, Frank Jm Geurts, Lukas Holub, Bedangadas Mohanty, Jongmin Lee, R. L. Ray, S. Choudhury, F. G. Atetalla, T. Galatyuk, S. S. Shi, O. D. Tsai, R. Ma, J. Engelage, N. Elsey, Z. Chang, T. Nonaka, W. B. Schmidke, A. Ewigleben, A. Francisco, K. Yip, C. Zhou, L. V. Nogach, T. Ljubicic, K. Kauder, I. Upsal, Zhigang Xiao, K. N. Barish, T. Huang, M. Csanad, C. A. Gagliardi, R. S. Longacre, Jay Roberts, Alexander Kiselev, G. Nigmatkulov, Lawrence Pinsky, Jing-Han Chen, Niseem Magdy, Y. Li, Alexandre Alarcon Do Passo Suaide, Maria Zurek, P. C. Weidenkaff, W. Q. Shen, K. Gopal, P. Kravtsov, Fuwang Shen, S. Fazio, S. H. Zhang, Xuliang Chen, Wei Li, Wei Xie, M. L. Kabir, Yunpeng Liu, Derek Anderson, X. H. He, A. Jentsch, H. W. Ke, Jaroslav Bielcik, Xiaofeng Zhu, Ying Liang, D. Mallick, Y. H. Leung, H. Liu, N. G. Minaev, Maria Stefaniak, J. D. Nam, A. Ogawa, Yicheng Feng, D. N. Svirida, David Stewart, B. Kimelman, E. P. Sichtermann, Sevil Salur, Y. Wang, O. V. Rogachevskiy, A. Quintero, P. Chaloupka, G. Igo, J. M. Landgraf, Y. Hong, J. C. Dunlop, L. Wen, Ting Lin, B. K. Chan, N. Xu, P. Filip, Sergey Voloshin, Michal Sumbera, Zebo Tang, A. Aparin, A. Pandav, Anthony Robert Timmins, Y. Panebratsev, S. Trentalange, M. U. Ashraf, C. Jena, D. Grosnick, Catherine Tomkiel, Hank Crawford, C-Q. Li, R. Licenik, J. Butterworth, Xinyue Ju, D. Chen, Zubayer Ahammed, M. Calderon De La Barca Sanchez, A. I. Hamad, Sedigheh Jowzaee, N. Shah, M. Kelsey, Sujit Kumar Tripathy, A. A. Derevschikov, Z. Ye, Roland Laszlo Pinter, B. Pawlik, D. Isenhower, Madan M. Aggarwal, Fuqiang Wang, S. W. Wissink, S. K. Radhakrishnan, Christina Markert, D. Neff, Y. Zhang, M. Strikhanov, Y. F. Xu, C. Perkins, J. K. Adkins, A. Gibson, T. Ullrich, X. Huang, A. Kechechyan, Q. Y. Shou, K. Jiang, D. Kalinkin, Nasim, H. S. Matis, Q. H. Xu, R. Fatemi, K. Nayak, C. C. Zhang, R. Pak, Maksym Zyzak, Z. Wang, H. Caines, Z. Moravcova, W. W. Jacobs, J. B. Singh, Todd Kinghorn, X. Chu, L. K. Kosarzewski, K. Krueger, D. Zhang, Y. Hu, J. C. Webb, J. S. Wang, J. Lauret, A. Hamed, S. Esumi, J. M. Nelson, D. Kincses, R. Witt, J. Rusnak, Jorn Henning Putschke, A. V. Brandin, W. J. Llope, D. Keane, S. Mioduszewski, R. Seto, M. Tokarev, Yevheniia Khyzhniak, T. G. Dedovich, Takafumi Niida, R. Lednicky, L. Kochenda, T. Tarnowsky, Z. Tu, J. W. Harris, Nikolai Smirnov, N. Schmitz, Yanjun Wu, J. Sandweiss, M. Kocan, N.R. Sahoo, E. Shahaliev, L. Ruan, J. Adam, Arkadiy Taranenko, Prithwish Tribedy, N. S. Lukow, M. M. Mondal, Xiaoyu Liu, E. C. Aschenauer, W. Christie, B. K. Srivastava, S. Margetis, M. Cherney, R. Esha, T. D. S. Stanislaus, Andrey Vasiliev, I. G. Bordyuzhin, X. Dong, Z. Yang, S. He, Lokesh Kumar, Hua Pei, F. Videbæk, Jana Bielcikova, H. H. Wieman, E. G. Judd, X.G. Li, Janet Elizabeth Seger, P. Sorensen, I. M. Deppner, H. Xu, J. A. Mazer, A. H. Tang, Pengdong Wang, Anju Bhasin, J. L. Romero, Z. Zhang, K. Kang, A. Lebedev, Lukas Kramarik, J. D. Brandenburg, M. Sergeeva, E. Finch, Arghya Chatterjee, Zhaoping Liu, Diana Pawlowska, L. Didenko, I. Chakaberia, Tong Liu, Siwei Luo, F. Liu, Mariusz Przybycien, Y. Yang, M. I. Nagy, D. Kapukchyan, R. D. Majka, Jiangyong Jia, Isaac Mooney, Yinina Ma, J. Porter, Ivan Kisel, Z. J. Zhang, S. L. Huang, Shize Yang, S. Lan, F. Seck, M. Posik, Arabinda Behera, H. M. Spinka, J. H. Thomas, F-H. Chang, Q. Yang, G. S. Averichev, H. Z. Huang, S. Vokal, G. Xie, C. J. Feng, D. A. Morozov, T. Edmonds, T. J. Humanic, Yunlan Ji, S. Heppelmann, B. J. Summa, Xiangming Sun, S. Harabasz, H. Qiu, B. S. Page, D. P. Kikola, S. Ramachandran, O. Eyser, B. Stringfellow, P. V. Shanmuganathan, A. S. Nunes, N. K. Pruthi, M. Daugherity, G. Eppley, J. Pluta, N. Chankova-Bunzarova, Skipper Kagamaster, Y. J. Sun, L. Ma, Y. Xu, Zhiwan Xu, R. E. Tribble, Y. Lin, G. Agakishiev, D. Cebra, Zhanwen Zhu, Y. Fisyak, I. G. Alekseev, P. Szymanski, M. A. Lisa, P. Seyboth, G. Odyniec, C. Zhong, Jan Vanek, Leszek Adamczyk, P. Federic, Jianping Cheng, Z. Chen, G. Wang, J. R. Adams, Susumu Sato, W. Solyst, N. Herrmann, X. Sun, Daniel Nemes, Jie Zhao, S. Horvat, M. Simko, W. Zha, D. Tlusty, Peng Huo, W. Guryn, R. Lacey, J. Fedorisin, D. G. Underwood, Gary Westfall, V. Bairathi, W. He, A. Attri, P. Liu, Xuan Zhang, Hanna Paulina Zbroszczyk, R. Kunnawalkam Elayavalli, and R. Reed
Subjects: Quark, Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Jet (fluid), Astrophysics::High Energy Astrophysical Phenomena, Radius, Gluon, Momentum, Nuclear physics, DGLAP, High Energy Physics::Experiment, Nuclear Experiment, Parton shower
Abstract: In this letter, measurements of the shared momentum fraction ( z g ) and the groomed jet radius ( R g ), as defined in the SoftDrop algorithm, are reported in p+p collisions at s = 200 GeV collected by the STAR experiment. These substructure observables are differentially measured for jets of varying resolution parameters from R = 0.2 − 0.6 in the transverse momentum range 15 p T , jet 60 GeV/c. These studies show that, in the p T , jet range accessible at s = 200 GeV and with increasing jet resolution parameter and jet transverse momentum, the z g distribution asymptotically converges to the DGLAP splitting kernel for a quark radiating a gluon. The groomed jet radius measurements reflect a momentum-dependent narrowing of the jet structure for jets of a given resolution parameter, i.e., the larger the p T , jet , the narrower the first splitting. For the first time, these fully corrected measurements are compared to Monte Carlo generators with leading order QCD matrix elements and leading log in the parton shower, and to state-of-the-art theoretical calculations at next-to-leading-log accuracy. We observe that PYTHIA 6 with parameters tuned to reproduce RHIC measurements is able to quantitatively describe data, whereas PYTHIA 8 and HERWIG 7, tuned to reproduce LHC data, are unable to provide a simultaneous description of both z g and R g , resulting in opportunities for fine parameter tuning of these models for p+p collisions at RHIC energies. We also find that the theoretical calculations without non-perturbative corrections are able to qualitatively describe the trend in data for jets of large resolution parameters at high p T , jet , but fail at small jet resolution parameters and low jet transverse momenta.
Published: 2020

15. Enhanced ferromagnetism of Er-doped BiFeO3 thin films derived from rhombohedral-to-orthorhombic phase transformations

Author: Yinina Ma, Yulong Bai, Shifeng Zhao, and Wenyu Xing
Subjects: Materials science, Condensed matter physics, Mechanical Engineering, Doping, Crystal structure, Condensed Matter Physics, Condensed Matter::Materials Science, Magnetization, Ferromagnetism, Octahedron, Mechanics of Materials, Condensed Matter::Superconductivity, Phase (matter), Condensed Matter::Strongly Correlated Electrons, General Materials Science, Orthorhombic crystal system, Thin film
Abstract: The effects of Er doping on the crystal structure and ferromagnetism of BiFeO3 thin films were investigated. The magnetization of BiFeO3 thin films was enhanced in magnitude with increasing Er content. Thus enhanced ferromagnetism is attributed to the suppression of spin cycloid structure derived from the anabatic relative rotation of FeO6 octahedra belonging to R3c phase fraction in the process of rhombohedral-to-orthorhombic structural phase transformations. The present work provides a feasible method on enhancing the ferromagnetism of BiFeO3 thin films correlating with structural transformation.
Published: 2015

16. Critical behavior in the layered organic-inorganic hybrid (CH3NH3)2CuCl4*

Author: Tina Raoufi, Young Sun, and Yinina Ma
Subjects: Phase transition, Materials science, Exchange interaction, General Physics and Astronomy, Thermodynamics, 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Magnetization, Ferromagnetism, 0103 physical sciences, 010306 general physics, 0210 nano-technology, Critical exponent, Scaling, Single crystal, Widom scaling
Abstract: The critical properties and the nature of the ferromagnetic–paramagnetic phase transition in the 2D organic-inorganic hybrid (CH3NH3)2CuCl4 single crystal have been investigated by dc magnetization in the vicinity of the magnetic transition. Different techniques were used to estimate the critical exponents near the ferromagnetic–paramagnetic phase transition such as modified Arrott plots, the Kouvel–Fisher method, and the scaling hypothesis. Values of β = 0.22, γ = 0.82, and δ = 4.4 were obtained. These critical exponents are in line with their corresponding values confirmed through the scaling hypothesis as well as the Widom scaling relation, supporting their reliability. It is concluded that this 2D hybrid compound possesses strong ferromagnetic intra-layer exchange interaction as well as weak interlayer ferromagnetic coupling that causes a crossover from 2D to 3D long-range interaction.
Published: 2020

17. Multiferroic and thermal expansion properties of metal-organic frameworks

Author: Yinina Ma and Young Sun
Subjects: 010302 applied physics, Materials science, Field (physics), Physics::Optics, General Physics and Astronomy, Nanotechnology, 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Ferroelectricity, Magnetic field, Condensed Matter::Materials Science, Magnetization, Polarization density, Superexchange, Electric field, 0103 physical sciences, Multiferroics, 0210 nano-technology
Abstract: As a prototype of organic–inorganic hybrid compounds, metal-organic frameworks (MOFs) have attracted enormous interest for their diverse physical and chemical properties. Recently, the magnetic and electric properties of MOFs have started to draw much attention. In particular, the coexistence of multiple orders (magnetic, electric, and elastic) in some MOFs makes them as emerging multiferroic materials. In terms of the strong and tunable ferroelectricity, the long-distance superexchange interaction, the order–disorder transition of hydrogen bonds in combination with the structural flexibility, and multiferroic MOFs represent a unique family beyond conventional inorganic multiferroics. This perspective provides a brief overview of recent progress in the field of multiferroic MOFs. First, the multiferroic MOFs reported so far are summarized and classified. Then, various cross coupling effects, i.e., the magnetic field control of electric polarization, electric field manipulation of magnetization, and pressure tuning of magnetic and electric properties, are described and discussed. In addition, a number of unusual phenomena such as the giant thermal expansion and quantum effects are introduced. Finally, some promising topics that have not yet been fully explored in multiferroic MOFs are proposed.
Published: 2020

18. Beam Energy Dependence of Jet-Quenching Effects in Au+Au Collisions at sNN=7.7 , 11.5, 14.5, 19.6, 27, 39, and 62.4 GeV

Author: Jana Bielcikova, J. L. Romero, J. Engelage, David Brown, Zebo Tang, E. Finch, T. Kollegger, G. Nigmatkulov, Xuedong Bai, F. Liu, Miroslav Simko, N. Kulathunga, N. Xu, P. Filip, Mariusz Przybycien, B. Pawlik, D. G. Underwood, A. Gibson, J. M. Landgraf, K. Yip, Q. Yang, J. K. Adkins, R. Fatemi, L. He, Z. Chang, Shize Yang, G. D. Westfall, Jun Deng, C. Perkins, M. Strikhanov, M. Posik, H. M. Spinka, T. J. Humanic, A. K. Bhati, D. Keane, James Brandenburg, J. Fujita, K. N. Barish, K. Krueger, R. D. Majka, J. Cheng, R. S. Longacre, B.R. Schweid, Muhammad Usman Ashraf, Michal Sumbera, Abdel Nasser Tawfik, I. Kisel, C. Zhong, E. C. Aschenauer, Nikolai Smirnov, Xiaofeng Zhu, J. Schambach, L. G. Efimov, J. Sandweiss, Nasim, Anik Gupta, J. L. Drachenberg, Z. Ye, Justin Ewigleben, J. M. Campbell, S. W. Wissink, Sergey Voloshin, J. W. Harris, G. Odyniec, W. Christie, L. C. Bland, S. Margetis, A. Ogawa, T. K. Nayak, P. V. Shanmuganathan, Olga Evdokimov, Barbara Antonina Trzeciak, M. Cherney, Lokesh Kumar, Jorn Henning Putschke, A. A.P. Suaide, D. Mallick, A. V. Brandin, Frank Jm Geurts, Maowu Nie, D. L. Olvitt, E. Sangaline, D. Arkhipkin, B. S. Page, Y. Zhang, Andrey Vasiliev, Hua Pei, X. Huang, A. Kechechyan, S. K. Tripathy, X. Dong, D. Kapukchyan, A. Hamed, T. G. Dedovich, G. Igo, M. Kocmanek, Jay Roberts, D. P. Kikola, Roli Esha, A. H. Tang, B. Stringfellow, Vipul Bairathi, Zhigang Xiao, T. Huang, K. Jiang, X.G. Li, Zongye Zhang, Yunpeng Liu, Derek Anderson, N. G. Minaev, Janet Elizabeth Seger, J. Porter, Pradip Kumar Sahu, E. P. Sichtermann, J. Bouchet, L. Krauth, Jie Zhao, T. Lin, S. Horvat, K. Poniatowska, Giacomo Contin, C. Zhou, K. Meehan, I. Bunzarov, H. W. Ke, M. Calderon De La Barca Sanchez, A. I. Hamad, Chi Yang, Y. Panebratsev, D. Grosnick, T. Nonaka, Z. H. Khan, Y. Guo, I. G. Bordyuzhin, Lisa, Yanjun Wu, P. Seyboth, J. H. Thomas, S. Mizuno, J. Rusnak, Arka Chatterjee, Xiangming Sun, K. D. Landry, J. Butterworth, Nihar Sahoo, X. C. Chen, W. Zha, D. N. Svirida, Wei Xie, L. P. Zhou, S. H. Zhang, Anju Bhasin, T. Ullrich, R. Lacey, A. F. Kraishan, S. B. Nurushev, P. Bhattarai, G. S. Averichev, Isaac Upsal, Sedigheh Jowzaee, Y. F. Xu, M. K. Mustafa, L. Ruan, S. Fazio, I. K. Yoo, F. Videbæk, G. Webb, Y. Li, S. Singha, Q. H. Xu, Anthony Robert Timmins, Adam Ryszard Kisiel, M. Sergeeva, T. Todoroki, A. Aparin, T. Niida, A. Lebedev, Samuel Heppelmann, J. Xu, Sukalyan Chattopadhyay, H. J. Crawford, Leszek Adamczyk, Jongmin Lee, Z. Shi, R. L. Ray, A. A. Derevschikov, Tetsuro Sugiura, R. Ma, M. Tokarev, Yang Yang, A. Harlenderova, W. Guryn, Y. Pandit, N. Schmitz, E. Shahaliev, J. R. Adams, W. Solyst, Siwei Luo, P. Federic, P. Chaloupka, R. Witt, S. Mioduszewski, C-Q. Li, Z. J. Xu, M. J. Rehbein, Christina Markert, Y. J. Sun, C. Dilks, Peter Q. Liu, J. Kvapil, Z. W. Miller, L. Yi, M. Saur, O. D. Tsai, Z. Feng, J. Fedorisin, T. Ljubicic, D. Smirnov, O. Rusnakova, H. S. Matis, J. Bryslawskyj, S. Trentalange, Madan M. Aggarwal, John Z. H. Zhang, I. G. Alekseev, P. Federicova, C. E. Flores, E. G. Judd, Xiaofeng Luo, Nilay Shah, J. C. Mei, N. K. Pruthi, K. Kauder, T. D. S. Stanislaus, M. M. Mondal, Niseem Magdy, H. Caines, Chong Kim, B. Huang, Guo-Liang Ma, M. Lomnitz, Prithwish Tribedy, B. K. Srivastava, L. K. Kosarzewski, W. W. Jacobs, G. Eppley, Fuqiang Wang, W. Q. Shen, D. Tlusty, H. H. Wieman, J. Thäder, D. K. Mishra, Bedangadas Mohanty, J. Pluta, A. S. Hirsch, P. Kravtsov, H. G. Ritter, N. Chankova-Bunzarova, W. Li, Arabinda Behera, P. Sorensen, J. Lauret, Jiangyong Jia, A. M. Schmah, Xiang Sun, M. R. Girard, J. D. Roth, Rene Bellwied, N. Yu, J. Lidrych, Joseph Kwasizur, H. Liu, R. E. Tribble, Kejun Kang, L. V. Nogach, L. Didenko, I. Chakaberia, D. Kalinkin, J. C. Dunlop, L. Wen, R. Lednicky, L. Kochenda, T. Tarnowsky, Y. Wang, Rafal Sikora, Sumit R. Das, G. Van Nieuwenhuizen, J. C. Webb, Y. Fisyak, Lin Ma, M. Shao, G. Van Buren, K. Oh, R. Seto, Yinina Ma, G. Wang, Sevil Salur, Zubayer Ahammed, A. Vossen, S. S. Shi, G. Agakishiev, D. S. Gunarathne, D. Cebra, A. Taranenko, Zhanwen Zhu, S. Esumi, S. Kabana, Q. Y. Shou, Jaroslav Bielcik, R. Pak, M. J. Skoby, L. Fulek, O. V. Rogachevskiy, A. Quintero, M. Zyzak, Vitaly Okorokov, Bernd Surrow, N. Elsey, H. Z. Huang, S. Vokal, W. B. Schmidke, C. A. Gagliardi, J. H. Chen, D. A. Morozov, N.N. Ajitanand, B. J. Summa, J. B. Zhang, J. E. Draper, S. Ramachandran, O. Eyser, Guannan Xie, Xuan Zhang, R. Aoyama, Hanna Paulina Zbroszczyk, R. Reed, J. M. Nelson, W. J. Llope, Alexander Jentsch, A. Attri, and P. Huo
Subjects: Quantum chromodynamics, Physics, Proton, 010308 nuclear & particles physics, Hadron, General Physics and Astronomy, 01 natural sciences, Pion, Antiproton, 0103 physical sciences, High Energy Physics::Experiment, Impact parameter, Atomic physics, Nuclear Experiment, 010306 general physics, Jet quenching, Energy (signal processing)
Abstract: We report measurements of the nuclear modification factor R_{CP} for charged hadrons as well as identified π^{+(-)}, K^{+(-)}, and p(p[over ¯]) for Au+Au collision energies of sqrt[s_{NN}]=7.7, 11.5, 14.5, 19.6, 27, 39, and 62.4 GeV. We observe a clear high-p_{T} net suppression in central collisions at 62.4 GeV for charged hadrons which evolves smoothly to a large net enhancement at lower energies. This trend is driven by the evolution of the pion spectra but is also very similar for the kaon spectra. While the magnitude of the proton R_{CP} at high p_{T} does depend on the collision energy, neither the proton nor the antiproton R_{CP} at high p_{T} exhibit net suppression at any energy. A study of how the binary collision-scaled high-p_{T} yield evolves with centrality reveals a nonmonotonic shape that is consistent with the idea that jet quenching is increasing faster than the combined phenomena that lead to enhancement.
Published: 2018

19. Observation of Magnetodielectric Effect in a Dysprosium-Based Single-Molecule Magnet

Author: Peng Cheng, Yisheng Chai, Wei Shi, Yinina Ma, Young Sun, and Yu-Xia Wang
Subjects: Condensed matter physics, Chemistry, chemistry.chemical_element, 02 engineering and technology, General Chemistry, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Biochemistry, Catalysis, 0104 chemical sciences, Ion, Coupling (physics), Colloid and Surface Chemistry, Molecular level, Magnet, Dysprosium, Single-molecule magnet, 0210 nano-technology, Nanoscopic scale, Perovskite (structure)
Abstract: Materials that possess coupled magnetic and electric properties are of significant interest because of their potential use in next-generation magnetoelectric devices such as digital information storage. To date, the magnetoelectric materials that have been studied in-depth have been limited mainly to inorganic oxides such as perovskite oxides. Molecular materials are a promising alternative because their magnetic and electric elements can be combined together at the molecular level via relatively simple molecular designs. Here, we report the coupling of magnetic and electric properties through a magnetodielectric (MD) effect in a single-crystal sample, which is constructed from dysprosium(III) single-molecule magnets (SMMs). The MD effect originates from intrinsic spin-lattice coupling of the dysprosium(III) ion within the sample. This is the first observation of the MD effect in a SMM-based material, which could pave the way toward the synthesis of advanced materials that combine distinct magnetic and electric properties using molecular chemistry for use in molecular devices with nanoscale size.
Published: 2018

20. Beam-Energy Dependence of Directed Flow ofΛ,Λ¯,K±,Ks0, andϕinAu+AuCollisions

Author: J. M. Nelson, Arka Chatterjee, W. J. Llope, Muhammad Usman Ashraf, T. J. Humanic, N. Kulathunga, N. Xu, P. Filip, M. K. Mustafa, Sergey Voloshin, Y. Li, S. Singha, Xiangming Sun, Abdel Nasser Tawfik, Alexander Jentsch, C-Q. Li, P. Pile, G. D. Westfall, D. L. Olvitt, K. Jiang, M. J. Rehbein, Christina Markert, D. Smirnov, O. Rusnakova, A. Attri, P. Federic, H. S. Matis, Hao Qiu, Yanjun Wu, Jun Deng, P. Huo, B. S. Page, J. Y. Zhang, N. Yu, D. P. Kikola, L. K. Kosarzewski, Kejun Kang, L. V. Nogach, B. Stringfellow, Sumit R. Das, G. Van Nieuwenhuizen, W. W. Jacobs, Joseph Kwasizur, N. K. Pruthi, David Brown, T. Kollegger, J. Lauret, R. Lednicky, L. Kochenda, M. Sergeeva, F. Liu, Miroslav Simko, Mariusz Przybycien, Nasim, M. Shao, G. Van Buren, P. Seyboth, G. Eppley, T. Tarnowsky, S. Mizuno, S. S. Shi, J. M. Campbell, K. Kauder, T. G. Dedovich, F. Videbæk, G. Webb, Siwei Luo, J. Pluta, Leszek Adamczyk, Sukalyan Chattopadhyay, Jorn Henning Putschke, A. V. Brandin, J. Rusnak, D. Kapukchyan, N. Chankova-Bunzarova, W. Li, A. F. Kraishan, L. Ruan, J. D. Roth, R. D. Majka, Z. W. Miller, N.N. Ajitanand, S. Heppelmann, T. Todoroki, B. J. Summa, M. R. Girard, Guannan Xie, J. C. Webb, Xuan Zhang, Arabinda Behera, Rene Bellwied, R. Aoyama, R. Witt, R. E. Tribble, J. Schambach, R. Seto, Hanna Paulina Zbroszczyk, Madan M. Aggarwal, J. W. Harris, J. Jia, D. Tlusty, S. Mioduszewski, W. Christie, Z. Feng, Xiaofeng Zhu, T. Nonaka, Wei Xie, A. Aparin, Xiaofeng Luo, Yinina Ma, Zhigang Xiao, T. Huang, Yunpeng Liu, Derek Anderson, Roli Esha, P. Bhattarai, Isaac Upsal, Vipul Bairathi, James Brandenburg, J. Fujita, Guo-Liang Ma, R. Reed, Jie Zhao, T. Lin, S. Horvat, K. N. Barish, N. G. Minaev, Andrey Vasiliev, A. Ogawa, S. B. Nurushev, Mukesh Sharma, G. Wang, J. B. Zhang, Y. Pandit, Fuqiang Wang, S. Fazio, Xuliang Chen, Michal Sumbera, A. A. P. Suaide, J. E. Draper, X.G. Li, Prithwish Tribedy, B. K. Srivastava, Zongye Zhang, Y. Guo, I. G. Bordyuzhin, M. J. Skoby, N. Schmitz, D. K. Mishra, E. Shahaliev, A. H. Tang, L. E. Dunkelberger, A. S. Hirsch, I. Bunzarov, Z. H. Khan, W. Zha, Janet Elizabeth Seger, P. Kravtsov, A. K. Bhati, A. M. Schmah, L. Fulek, R. Lacey, S. Ramachandran, B.R. Schweid, Tetsuro Sugiura, Y. J. Sun, M. Calderon De La Barca Sanchez, A. I. Hamad, Anju Bhasin, A. A. Derevschikov, Jana Bielcikova, O. Eyser, Sedigheh Jowzaee, D. Keane, J. L. Romero, C. Dilks, S. W. Wissink, J. Thäder, D. Kalinkin, J. Engelage, Y. Zhang, T. Niida, A. Lebedev, Nikolai Smirnov, G. Nigmatkulov, J. C. Dunlop, L. Wen, L. Yi, Y. Wang, Y. Fisyak, P. Sorensen, Lin Ma, D. G. Underwood, E. Finch, Z. Shi, K. Oh, M. Saur, Peter Q. Liu, J. Kvapil, Xuedong Bai, Q. Yang, L. G. Efimov, J. M. Landgraf, Zubayer Ahammed, Nilay Shah, L. Didenko, I. Chakaberia, Chong Kim, Z. Ye, A. Vossen, M. Strikhanov, J. Cheng, T. K. Nayak, K. Yip, H. G. Ritter, Bedangadas Mohanty, J. Sandweiss, H. Z. Huang, S. Vokal, L. C. De Silva, Maowu Nie, Q. Y. Shou, X. Huang, M. Kocmanek, A. Harlenderova, Rafal Sikora, A. Kechechyan, R. Pak, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, W. Guryn, L. C. Bland, Pradip Kumar Sahu, Y. Panebratsev, D. Grosnick, J. Fedorisin, M. M. Mondal, S. Esumi, Jay Roberts, Anik Gupta, J. H. Chen, Chi Yang, D. N. Svirida, Jaroslav Bielcik, I. K. Yoo, M. Tokarev, Yang Yang, H. W. Ke, Frank Jm Geurts, D. A. Morozov, O. V. Rogachevskiy, A. Quintero, C. E. Flores, E. G. Judd, M. Zyzak, T. D. S. Stanislaus, H. H. Wieman, Vitaly Okorokov, Bernd Surrow, N. Elsey, C. Zhou, W. B. Schmidke, C. A. Gagliardi, K. Meehan, O. D. Tsai, A. Sharma, L. Song, W. Q. Shen, Xiang Sun, Zebo Tang, H. Liu, D. Garand, Sevil Salur, C. Perkins, R. S. Longacre, P. V. Shanmuganathan, D. Mallick, G. Igo, J. Bouchet, L. Krauth, Jongmin Lee, R. L. Ray, K. D. Landry, R. Ma, J. Butterworth, Y. F. Xu, Q. H. Xu, T. Ljubicic, J. Xu, Niseem Magdy, H. Caines, M. Lomnitz, P. Federicova, B. Huang, Justin Ewigleben, G. Odyniec, C. Zhong, E. C. Aschenauer, S. Margetis, X. Dong, E. P. Sichtermann, T. Ullrich, J. R. Adams, W. Solyst, J. Lidrych, G. Agakishiev, D. S. Gunarathne, D. Cebra, A. Taranenko, Zhanwen Zhu, S. Kabana, I. G. Alekseev, M. A. Lisa, J. C. Mei, Z. Chang, Shize Yang, M. Posik, H. M. Spinka, J. K. Adkins, R. Fatemi, L. He, J. H. Thomas, K. Krueger, L. P. Zhou, I. Kisel, M. Cherney, Lokesh Kumar, Hua Pei, S. K. Tripathy, K. Poniatowska, S. K. Gupta, Giacomo Contin, G. S. Averichev, Nihar Sahoo, J. Porter, Anthony Robert Timmins, Adam Ryszard Kisiel, H. J. Crawford, B. Pawlik, A. Gibson, S. Zhang, P. Chaloupka, Z. J. Xu, S. Trentalange, D. Arkhipkin, and A. Hamed
Subjects: Quantum chromodynamics, Quark, Physics, 010308 nuclear & particles physics, Elliptic flow, Hadron, General Physics and Astronomy, Lambda, 01 natural sciences, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Sum rule in quantum mechanics, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: Rapidity-odd directed-flow measurements at midrapidity are presented for Λ, Λ[over ¯], K^{±}, K_{s}^{0}, and ϕ at sqrt[s_{NN}]=7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV in Au+Au collisions recorded by the Solenoidal Tracker detector at the Relativistic Heavy Ion Collider. These measurements greatly expand the scope of data available to constrain models with differing prescriptions for the equation of state of quantum chromodynamics. Results show good sensitivity for testing a picture where flow is assumed to be imposed before hadron formation and the observed particles are assumed to form via coalescence of constituent quarks. The pattern of departure from a coalescence-inspired sum rule can be a valuable new tool for probing the collision dynamics.
Published: 2018

21. Probe Skyrmion phases and dynamics in MnSi via the magnetoelectric effect in a composite configuration

Author: Le Wang, Yisheng Chai, Youguo Shi, Yinina Ma, Wenhong Wang, Young Sun, Jianxin Shen, Hang Li, Peipei Lu, Kun Zhai, and Haifeng Du
Subjects: Condensed Matter::Quantum Gases, Condensed Matter - Materials Science, Materials science, Condensed matter physics, Strongly Correlated Electrons (cond-mat.str-el), Skyrmion, Magnetoelectric effect, Lattice (group), Materials Science (cond-mat.mtrl-sci), FOS: Physical sciences, Magnetic skyrmion, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, Condensed Matter - Strongly Correlated Electrons, Phase (matter), Curie temperature, Spin (physics), Single crystal, Nonlinear Sciences::Pattern Formation and Solitons
Abstract: We have developed a sensitive technique to probe the magnetic skyrmion phases and dynamics by employing the interfacial coupling effect in a magnetoelectric composite configuration. The study on a MnSi single crystal sample using this technique provides clear evidences for the skyrmion lattice phase and coexistence of skyrmion and conical phase. Above the Curie temperature TC, a region with strong spin fluctuation is revealed as well. By tuning the density of Skyrmion or disorder, a transition from the skyrmion lattice to skyrmion-conical coexisting phase is observed. The observation is in good agreement with a theoretical model which predicts the dissipation behavior in the coexistence phase., Comment: 18 pages, 5 figures
Published: 2018
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22. Enhanced Multiferroic Properties of Eu-Doped BiFeO3 Thin Films Derived from Rhombohedral–Tetragonal Phase Boundary

Author: Wenyu Xing, Yinina Ma, Shifeng Zhao, and Jieyu Chen
Subjects: Phase boundary, Materials science, Condensed matter physics, Doping, Condensed Matter Physics, Ferroelectricity, Electronic, Optical and Magnetic Materials, Tetragonal crystal system, Ferromagnetism, Phase (matter), Materials Chemistry, Multiferroics, Electrical and Electronic Engineering, Thin film
Abstract: Eu-doped BiFeO3 multiferroic thin films were prepared using a sol–gel technique. The effect of Eu3+ ion substitutional doping on the multiferroic properties of BiFeO3 thin films was investigated in detail, revealing obvious enhancement of ferroelectricity and ferromagnetism. The enhanced multiferroic properties are attributed to phase boundary, where two phases with rhombohedral and tetragonal structure coexist. Both x-ray diffraction analysis and Raman spectroscopy confirmed that BiFeO3 thin films with 5% Eu doping (Bi0.95Eu0.05FeO3) undergo a phase transformation from a rhombohedral to tetragonal structure. Thus, it is suggested that there is rhombohedral– tetragonal phase boundary in Bi0.95Eu0.05FeO3 thin films. Additionally, the leakage current density of the thin films decreased under high electric field after Eu doping, which is attributed to a change of the leakage current conduction mechanism related to the formation of rhombohedral–tetragonal phase boundary. The present work provides an easy method to enhance the multiferroic properties of BiFeO3-based thin films.
Published: 2015

23. Dijet imbalance measurements in Au+Au and pp collisions at sNN=200 GeV at STAR

Author: Jana Bielcikova, N. Xu, P. Filip, Guannan Xie, J. L. Romero, Xuan Zhang, Anik Gupta, P. Pile, G. D. Westfall, Madan M. Aggarwal, Xiaofeng Luo, E. Finch, L. Yi, Xuedong Bai, Robert Vertesi, Hanna Paulina Zbroszczyk, M. Tokarev, Yang Yang, J. M. Campbell, Jun Deng, T. Nonaka, Frank Jm Geurts, Wei Xie, A. Aparin, Y. Pandit, N. Schmitz, E. Shahaliev, Guo-Liang Ma, Fuqiang Wang, D. K. Mishra, J. W. Harris, Q. H. Xu, P. Sorensen, J. Xu, J. Engelage, H. G. Ritter, A. S. Hirsch, P. Kravtsov, A. M. Schmah, A. Manion, D. Kalinkin, T. G. Dedovich, Xiaofeng Zhu, Xiangming Sun, Mukesh Sharma, G. Wang, S. Heppelmann, J. Porter, Rafal Sikora, K. Meehan, G. Nigmatkulov, R. Reed, P. Bhattarai, L. Didenko, I. Chakaberia, T. D. S. Stanislaus, B. J. Summa, K. Poniatowska, S. K. Gupta, A. Vossen, Muhammad Usman Ashraf, A. Ogawa, Isaac Upsal, Giacomo Contin, Jorn Henning Putschke, J. M. Landgraf, A. H. Tang, H. H. Wieman, Roli Esha, A. V. Brandin, O. D. Tsai, G. Agakishiev, D. S. Gunarathne, Hao Qiu, Jie Zhao, T. Lin, James Brandenburg, A. Sharma, Arka Chatterjee, S. Esumi, J. B. Zhang, D. D. Koetke, M. Strikhanov, D. Cebra, Sergey Voloshin, F. Videbæk, J. E. Draper, I. K. Yoo, S. Ramachandran, S. Horvat, O. Eyser, G. Webb, Nihar Sahoo, K. Xin, Zhigang Xiao, T. Huang, I. Bunzarov, C-Q. Li, M. J. Rehbein, M. Calderon De La Barca Sanchez, A. I. Hamad, R. P. Scharenberg, Christina Markert, L. Song, Vipul Bairathi, D. Smirnov, O. Rusnakova, W. Q. Shen, L. C. Bland, H. S. Matis, B. Huang, X. C. Chen, Z. J. Sun, S. McKinzie, P. Huck, S. Kabana, M. M. Mondal, Jaroslav Bielcik, L. E. Dunkelberger, Sedigheh Jowzaee, N. K. Pruthi, Xiang Li, A. M. Poskanzer, Z. Ye, L. K. Kosarzewski, Yunpeng Liu, Derek Anderson, W. W. Jacobs, J. Lauret, N. G. Minaev, M. A.C. Lamont, K. Jiang, J. Sandweiss, Sukalyan Chattopadhyay, J. Y. Zhang, H. Z. Huang, Yanjun Wu, Anthony Robert Timmins, Adam Ryszard Kisiel, H. J. Crawford, S. Vokal, O. V. Rogachevskiy, Tetsuro Sugiura, Y. J. Sun, C. Dilks, Nasim, A. Quintero, X. Huang, A. Kechechyan, W. Zha, R. Lednicky, L. Kochenda, R. Haque, T. Tarnowsky, I. G. Alekseev, K. Yip, J. S. Wang, G. Eppley, D. N. Svirida, R. S. Longacre, Zebo Tang, Leo Clifford Greiner, M. K. Mustafa, Y. Li, S. Singha, M. A. Lisa, J. C. Mei, N. Yu, Z. Feng, M. Lomnitz, Y. Fisyak, Kejun Kang, L. V. Nogach, Sumit R. Das, M. Zyzak, G. Van Nieuwenhuizen, J. Pluta, W. Li, D. Garand, Sevil Salur, Y. Wang, C. E. Flores, E. G. Judd, R. R. Debbe, C. Zhong, Shangfeng Yang, J. H. Chen, C. Yang, Pradip Kumar Sahu, P. V. Shanmuganathan, C. Perkins, E. C. Aschenauer, P. Federic, A. A. Derevschikov, Justin Ewigleben, Lin Ma, Siwei Luo, K. Oh, D. L. Olvitt, J. K. Adkins, R. Fatemi, L. He, Zongye Zhang, I. G. Bordyuzhin, J. D. Roth, Rene Bellwied, J. Rusnak, R. Stock, P. Seyboth, Vitaly Okorokov, R. E. Tribble, A. F. Kraishan, L. Ruan, Leszek Adamczyk, Z. H. Khan, G. Odyniec, W. Guryn, Y. Zoulkarneeva, G. Igo, J. Novak, D. A. Morozov, W. J. Llope, Alexander Jentsch, Bernd Surrow, Z. W. Miller, A. K. Bhati, D. Keane, B. Sharma, J. Bouchet, M. R. Girard, A. Attri, K. D. Landry, N. Elsey, Gerald W Hoffmann, T. Todoroki, D. Tlusty, Nikolai Smirnov, I. Sakrejda, K. Kauder, S. Margetis, X. Dong, J. Butterworth, J. C. Webb, K. Krueger, W. B. Schmidke, C. A. Gagliardi, L. G. Efimov, M. J. Skoby, Yinina Ma, I. Kisel, T. K. Nayak, E. P. Sichtermann, Y. F. Xu, L. Fulek, W. Solyst, Z. Chang, Y. Panebratsev, J. Fedorisin, D. Grosnick, Nilay Shah, T. J. Humanic, Bedangadas Mohanty, R. Aoyama, M. Posik, Abdel Nasser Tawfik, M. Cherney, T. Ullrich, H. M. Spinka, Lokesh Kumar, D. G. Underwood, Hua Pei, S. K. Tripathy, J. H. Thomas, Q. Yang, C. M. Du, J. Jia, L. P. Zhou, H. S. Xu, S. B. Nurushev, B. S. Page, Y. Guo, Jongmin Lee, R. L. Ray, J. Cheng, R. Ma, M. Stepanov, T. Ljubicic, L. C. De Silva, D. P. Kikola, G. S. Averichev, B. Stringfellow, Niseem Magdy, H. Caines, M. Shao, Y. X. Pan, G. Van Buren, S. S. Shi, Michal Sumbera, S. Fazio, S. W. Wissink, Y. Zhang, D. Arkhipkin, J. Thäder, A. Hamed, P. Chaloupka, Z. J. Xu, S. Trentalange, B. Pawlik, A. Gibson, S. Zhang, David Brown, F. Liu, Miroslav Simko, Mariusz Przybycien, R. D. Majka, J. Schambach, W. Christie, Andrey Vasiliev, Janet Elizabeth Seger, Anju Bhasin, T. Niida, A. Lebedev, Z. Shi, R. Witt, S. Mioduszewski, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, J. C. Dunlop, L. Wen, Zubayer Ahammed, Q. Y. Shou, R. Pak, J. L. Drachenberg, Olga Evdokimov, Jay Roberts, and H. W. Ke
Subjects: Physics, Nuclear reaction, Particle physics, 010308 nuclear & particles physics, media_common.quotation_subject, Hadron, General Physics and Astronomy, Jet (particle physics), 01 natural sciences, Asymmetry, Nuclear physics, Momentum, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Jet quenching, media_common, STAR detector
Abstract: We report the first dijet transverse momentum asymmetry measurements from Au+Au and pp collisions at RHIC. The two highest-energy back-to-back jets reconstructed from fragments with transverse momenta above 2 GeV/c display a significantly higher momentum imbalance in heavy-ion collisions than in the pp reference. When reexamined with correlated soft particles included, we observe that these dijets then exhibit a unique new feature-momentum balance is restored to that observed in pp for a jet resolution parameter of R=0.4, while rebalancing is not attained with a smaller value of R=0.2.
Published: 2017

24. Enhanced ferromagnetism of cluster-assembled BiFeO3 nanostructured films

Author: Yinina Ma, Jieyu Chen, Zhen Ma, Alima Bai, Qi Yun, Shifeng Zhao, and Wenyu Xing
Subjects: Materials science, Spins, Condensed matter physics, Dispersity, Metals and Alloys, Surfaces and Interfaces, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Condensed Matter::Materials Science, Magnetization, Ferromagnetism, Materials Chemistry, Cluster (physics), Multiferroics, Deposition (law), Beam (structure)
Abstract: Cluster-assembled BiFeO 3 nanostructured films were prepared using low-energy cluster beam deposition method with our homemade cluster apparatus. It is shown that the nanostructured films are perovskite structure and assembled uniformly and compactly with monodisperse spherical clusters with average diameter of ~ 22 nm. The enhanced ferromagnetism is observed for the as-prepared films, which is attributed to the uncompensated surface spins and the release of the latent magnetization locked within the cycloid induced by the size effect of the clusters with the smaller characteristic size than the long-range cycloid order of 62 nm. The present work provides a way on enhancing ferromagnetism of single-phase multiferroics.
Published: 2014

25. Υ production in U + U collisions at sNN=193 GeV measured with the STAR experiment

Author: Arka Chatterjee, Q. H. Xu, J. Xu, M. K. Mustafa, J. C. Dunlop, L. Wen, Y. Li, S. Singha, L. C. Bland, Nasim, M. Tokarev, Yang Yang, J. K. Adkins, Zubayer Ahammed, Wei Xie, R. Fatemi, L. He, T. D. S. Stanislaus, K. Krueger, A. Aparin, H. H. Wieman, W. Christie, B. Huang, Siwei Luo, Y. Pandit, F. Videbæk, Andrey Vasiliev, N. Schmitz, Q. Y. Shou, A. M. Poskanzer, Z. Ye, E. Shahaliev, X. Huang, A. Kechechyan, D. N. Svirida, Pradip Kumar Sahu, Y. Fisyak, G. Odyniec, G. Webb, Anik Gupta, M. Cherney, Lokesh Kumar, Hua Pei, Lin Ma, G. Eppley, M. Calderon De La Barca Sanchez, W. Guryn, A. I. Hamad, Sedigheh Jowzaee, S. K. Tripathy, K. Oh, Y. Zoulkarneeva, Michal Sumbera, Janet Elizabeth Seger, R. Pak, Sukalyan Chattopadhyay, R. S. Longacre, Y. Panebratsev, Xiang Li, D. Grosnick, W. J. Llope, Frank Jm Geurts, Z. H. Khan, R. Vertesi, S. W. Wissink, T. J. Humanic, Mukesh Sharma, J. Pluta, W. Li, Y. Zhang, G. Wang, K. Poniatowska, R. Aoyama, Alexander Jentsch, F. Liu, J. Jia, Mariusz Przybycien, J. Fedorisin, Abdel Nasser Tawfik, R. Witt, Z. Feng, M. Lomnitz, J. D. Roth, G. Igo, J. Novak, B. J. Summa, S. K. Gupta, Giacomo Contin, J. W. Harris, Rene Bellwied, Samuel Heppelmann, A. Attri, S. Mioduszewski, Yinina Ma, O. D. Tsai, Jaroslav Bielcik, J. Engelage, B. Sharma, W. Solyst, J. Bouchet, Zongye Zhang, R. E. Tribble, Z. J. Sun, I. Sakrejda, Junjie Zhang, Bedangadas Mohanty, K. D. Landry, J. B. Zhang, D. D. Koetke, J. E. Draper, Nihar Sahoo, Donald M. McDonald, X. C. Chen, G. Nigmatkulov, K. Meehan, P. Huck, M. J. Skoby, Jana Bielcikova, M. Shao, Y. X. Pan, G. Van Buren, R. D. Majka, R. Varma, Prithwish Tribedy, B. K. Srivastava, D. L. Olvitt, I. G. Bordyuzhin, S. Ramachandran, B. S. Page, O. Eyser, L. Song, W. Q. Shen, J. Butterworth, Gerald W Hoffmann, M. A.C. Lamont, Y. F. Xu, M. M. Mondal, Roli Esha, J. Schambach, A. H. Tang, E. P. Sichtermann, Anthony Robert Timmins, Adam Ryszard Kisiel, J. M. Landgraf, L. Fulek, T. Sugiura, J. L. Romero, B. Pawlik, D. P. Kikola, Muhammad Usman Ashraf, S. H. Zhang, A. Sharma, B. Stringfellow, Rihan Haque, L. Yi, D. Garand, S. S. Shi, I. Bunzarov, H. Z. Huang, S. Vokal, O. V. Rogachevskiy, A. Quintero, Jie Zhao, T. Lin, S. Horvat, J. Rusnak, E. Finch, H. J. Crawford, P. Bhattarai, Anju Bhasin, Xuedong Bai, M. Strikhanov, Sergey Voloshin, Isaac Upsal, Sevil Salur, Y. Wang, A. Gibson, A. F. Kraishan, P. Seyboth, S. McKinzie, M. Simko, P. Sorensen, T. Niida, J. L. Drachenberg, Xiangming Sun, H. G. Ritter, L. Ruan, I. K. Yoo, Shangfeng Yang, J. H. Chen, Olga Evdokimov, A. Lebedev, A. K. Bhati, D. Keane, Rafal Sikora, K. Kauder, Guannan Xie, Xuan Zhang, J. Sandweiss, Basanta Kumar Nandi, D. A. Morozov, W. Zha, Z. Shi, Zebo Tang, A. Sarkar, J. M. Campbell, K. Jiang, Nikolai Smirnov, R. Stock, L. G. Efimov, Xiaofeng Luo, Hanna Paulina Zbroszczyk, Guo-Liang Ma, C-Q. Li, T. Todoroki, Leszek Adamczyk, Jay Roberts, P. Federic, Nilay Shah, Z. W. Miller, Leo Clifford Greiner, V. A. Okorokov, Bernd Surrow, C. E. Flores, E. G. Judd, C. Yang, Yanjun Wu, M. J. Rehbein, Jorn Henning Putschke, T. K. Nayak, R. P. Scharenberg, Christina Markert, L. Didenko, I. Chakaberia, Y. J. Sun, C. Dilks, Hao Qiu, A. S. Hirsch, D. Smirnov, O. Rusnakova, D. G. Underwood, H. W. Ke, H. S. Matis, A. V. Brandin, Q. Yang, C. Perkins, R. Reed, K. Xin, P. Kravtsov, A. M. Schmah, D. Tlusty, T. G. Dedovich, S. Esumi, Maksym Zyzak, L. K. Kosarzewski, Zhigang Xiao, W. B. Schmidke, T. Huang, J. Cheng, S. B. Nurushev, C. A. Gagliardi, N. K. Pruthi, L. C. De Silva, S. Fazio, Vipul Bairathi, P. Chaloupka, W. W. Jacobs, Yunpeng Liu, Derek Anderson, J. Lauret, Z. J. Xu, N. G. Minaev, T. Ullrich, M. R. Girard, J. C. Webb, S. Trentalange, N. Xu, P. Filip, R. Lednicky, Madan M. Aggarwal, Fuqiang Wang, D. K. Mishra, P. Pile, G. D. Westfall, L. Kochenda, J. Thäder, T. Tarnowsky, D. Arkhipkin, A. Hamed, K. Yip, J. S. Wang, A. Manion, James Brandenburg, D. Kalinkin, P. V. Shanmuganathan, R. R. Debbe, N. Yu, L. E. Dunkelberger, Kejun Kang, L. V. Nogach, Sumit R. Das, A. Vossen, A. A. Derevschikov, G. Van Nieuwenhuizen, C. M. Du, Xiaofeng Zhu, H. S. Xu, T. Nonaka, A. Ogawa, C. Zhong, E. C. Aschenauer, S. Margetis, X. Dong, Y. Guo, Jongmin Lee, R. L. Ray, R. Ma, T. Ljubicic, Niseem Magdy, H. Caines, J. H. Thomas, L. P. Zhou, M. Stepanov, G. S. Averichev, J. Porter, Ivan Kisel, Z. Chang, I. G. Alekseev, M. A. Lisa, J. C. Mei, Jian Deng, G. Agakishiev, D. S. Gunarathne, M. Posik, D. Cebra, H. M. Spinka, and S. Kabana
Subjects: Physics, Time projection chamber, Meson, 010308 nuclear & particles physics, Drell–Yan process, 01 natural sciences, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, Mass spectrum, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Nucleon, Glauber, Crystal Ball
Abstract: We present a measurement of the inclusive production of. mesons in U + U collisions at root s(NN) = 193 GeV at midrapidity (vertical bar y vertical bar < 1). Previous studies in central Au+Au collisions at root s(NN) = 200 GeV show a suppression of Upsilon (1S+2S+3S) production relative to expectations from the Upsilon yield in p+p collisions scaled by the number of binary nucleon-nucleon collisions (N-coll), with an indication that the.(1S) state is also suppressed. The present measurement extends the number of participant nucleons in the collision (N-part) by 20% compared to Au+Au collisions, and allows us to study a system with higher energy density. We observe a suppression in both the Upsilon (1S+2S+3S) and Upsilon (1S) yields in central U+U data, which consolidates and extends the previously observed suppression trend in Au+Au collisions.
Published: 2016

26. Multiferroicity and magnetoelectric coupling in the paramagnetic state of the metal-organic framework [(CH3)2NH2]Ni(HCOO)3

Author: Junzhuang Cong, Yinina Ma, and Young Sun
Subjects: Materials science, Condensed matter physics, Magnetoelectric effect, Magnetostriction, 02 engineering and technology, 021001 nanoscience & nanotechnology, Condensed Matter Physics, 01 natural sciences, Ferroelectricity, Magnetic field, Paramagnetism, Superexchange, 0103 physical sciences, Antiferromagnetism, General Materials Science, Multiferroics, 010306 general physics, 0210 nano-technology
Abstract: The metal-organic framework [(CH3)2NH2]Ni(HCOO)3 (DMA-Ni) has an ABX3 perovskite-like structure. At T C ~ 181 K, DMA-Ni displays a first-order ferroelectric transition, which is triggered by the disorder-order transition of hydrogen bonds. In addition, this compound exhibits a spin-canted antiferromagnetic order below T N ~ 37.6 K through the long-distance superexchange interaction, and a spin-reorientation transition appears near 15 K. The coexistence of magnetic and ferroelectric orders at low temperature testifies the multiferroic properties of DMA-Ni. Besides, the magnetoelectric (ME) coupling exists in the paramagnetic state, where the ferroelectric polarization can be modified by applying high magnetic fields. This behavior is attributed to the local magnetostriction effect.
Published: 2019

27. Investigation of compressibilities using neutron-rich projectileʼs fragmentation at intermediate energy

Author: Yinina Ma and Sanjeev Kumar
Subjects: Physics, Nuclear and High Energy Physics, Projectile, Nuclear Theory, Multiplicity (mathematics), Observable, Nuclear matter, Nuclear physics, Fragmentation (mass spectrometry), Neutron number, Isospin, Neutron, Atomic physics, Nuclear Experiment
Abstract: The present study deals with the determinations of symmetry energy and compressibilities of nuclear matter (k(0), K-asy) at intermediate energies. The observables, available from GSI, namely the multiplicity of neutrons (M-n) and the multiplicity of intermediate mass fragments (M-IMFs), are compared with theoretical results of an isospin quantum molecular dynamics (IQMD) model. The soft symmetry energy with soft equation of state reproduces the data of symmetry energy sensitive observable M-n, while hard equation of state is true in the presence of symmetry energy independent observable M-IMFs. The correlation between the multiplicity of free neutrons from the projectile spectator fragmentation (PSF) and the reduced multiplicity of bound neutrons within the IMFs (bound neutron number scaled by the multiplicities of intermediate mass fragments) from the projectile fragmentation (PF) is established. (c) 2012 Elsevier B.V. All rights reserved.
Published: 2013

28. J/ψproduction at low transverse momentum inp+pandd+ Au collisions atsNN=200GeV

Author: N. Xu, P. Filip, Zongye Zhang, H. Qiu, M. Tokarev, Yang Yang, I. G. Bordyuzhin, P. Pile, G. D. Westfall, Jaroslav Bielcik, T. D. S. Stanislaus, O. V. Rogachevskiy, H. J. Jang, T. J. Humanic, H. H. Wieman, I. G. Alekseev, S. Trentalange, D. Arkhipkin, A. Hamed, M. A. Lisa, J. C. Mei, Xiaofeng Luo, Guo-Liang Ma, Abdel Nasser Tawfik, C-Q. Li, Maksym Zyzak, S. Fazio, L. C. Bland, J. H. Thomas, R. Varma, B. S. Page, R. Witt, Junjie Zhang, Madan M. Aggarwal, Bedangadas Mohanty, Fuqiang Wang, D. K. Mishra, D. G. Underwood, G. Eppley, R. P. Scharenberg, Christina Markert, K. Poniatowska, S. K. Gupta, D. P. Kikola, B. Stringfellow, Vitaly Okorokov, A. S. Hirsch, P. Kravtsov, A. M. Schmah, D. Smirnov, O. Rusnakova, Bernd Surrow, W. B. Schmidke, S. Mioduszewski, Donald M. McDonald, C. A. Gagliardi, L. P. Zhou, H. Z. Huang, H. S. Matis, J. C. Webb, G. Igo, J. Pluta, Giacomo Contin, Prithwish Tribedy, B. K. Srivastava, Q. Yang, A. Manion, D. Kalinkin, A. Vossen, R. Vertesi, L. K. Kosarzewski, Haiyan Wang, Q. H. Xu, W. Li, Nihar Sahoo, Anik Gupta, C. Zhong, E. C. Aschenauer, J. Engelage, S. Margetis, D. N. Svirida, J. Cheng, D. L. Olvitt, Y. X. Pan, M. Stepanov, Rene Bellwied, Xuedong Bai, P. Chaloupka, F. Liu, J. Xu, Z. J. Xu, G. Nigmatkulov, J. Thäder, W. W. Jacobs, K. D. Landry, X. C. Chen, P. Huck, L. C. De Silva, Frank Jm Geurts, K. Kauder, X. Dong, Mukesh Sharma, G. S. Averichev, J. L. Drachenberg, R. E. Tribble, Olga Evdokimov, J. M. Landgraf, Anthony Robert Timmins, J. Lauret, Gerald W Hoffmann, K. Meehan, J. Porter, M. Strikhanov, Adam Ryszard Kisiel, R. D. Majka, Ivan Kisel, H. J. Crawford, L. Yi, Zhigang Xiao, T. Huang, Michal Sumbera, M. Shao, G. Van Buren, Jay Roberts, E. P. Sichtermann, O. D. Tsai, Jie Zhao, T. Lin, S. Horvat, J. Schambach, Jian Deng, S. S. Shi, S. H. Zhang, Anju Bhasin, A. Sharma, J. Sandweiss, B. Pawlik, N. Yu, Kejun Kang, L. V. Nogach, M. Calderon De La Barca Sanchez, A. I. Hamad, A. V. Brandin, F. Videbæk, B. Huang, G. Agakishiev, D. S. Gunarathne, G. Webb, Sergey Voloshin, N. G. Minaev, R. Lednicky, A. Gibson, R. Esha, M. Simko, Xiangming Sun, Nasim, S. McKinzie, T. Niida, J. K. Adkins, Basanta Kumar Nandi, Xiang Li, Sumit R. Das, S. Heppelmann, G. Van Nieuwenhuizen, Sukalyan Chattopadhyay, L. Kochenda, H. W. Ke, T. Tarnowsky, R. S. Longacre, R. Fatemi, A. Lebedev, S. W. Wissink, Y. Zhang, K. Xin, B. J. Summa, D. Cebra, B. Di Ruzza, Z. Shi, Rashmi Raniwala, S. Kabana, Zebo Tang, A. Sarkar, Arka Chatterjee, L. He, H. G. Ritter, A. M. Poskanzer, Z. Ye, Vipul Bairathi, Leo Clifford Greiner, W. Zha, K. Krueger, K. Jiang, J. E. Draper, Z. J. Sun, Wei Xie, G. Odyniec, Y. Zoulkarneeva, A. Aparin, Z. Chang, Z. Feng, M. A.C. Lamont, S. Y. Noh, X. Huang, Rafal Sikora, A. Kechechyan, T. Ullrich, M. Lomnitz, J. Rusnak, Jana Bielcikova, A. F. Kraishan, Yanjun Wu, Y. Pandit, N. K. Pruthi, C. Perkins, M. K. Mustafa, Z. H. Khan, M. Cherney, J. W. Harris, Pradip Kumar Sahu, J. B. Zhang, P. Seyboth, D. D. Koetke, W. Guryn, N. Schmitz, I. K. Yoo, L. Ruan, J. Novak, B. Sharma, C. Yang, J. Bouchet, J. L. Romero, W. Christie, E. Shahaliev, M. R. Girard, C. E. Flores, M. Posik, Lokesh Kumar, Hua Pei, S. K. Tripathy, Y. Li, S. Singha, C. M. Du, H. S. Xu, J. C. Dunlop, R. Haque, J. Butterworth, Y. Guo, Andrey Vasiliev, H. M. Spinka, S. Ramachandran, O. Eyser, P. Yepes, P. Sorensen, Jongmin Lee, A. H. Tang, J. Fedorisin, I. Sakrejda, T. Todoroki, Y. F. Xu, Leszek Adamczyk, W. Solyst, R. L. Ray, R. Ma, M. M. Mondal, I. Bunzarov, Zubayer Ahammed, P. Federic, E. G. Judd, Janet Elizabeth Seger, J. Putschke, Xiaofeng Zhu, S. B. Nurushev, P. Bhattarai, Isaac Upsal, T. Ljubicic, C. B. Powell, J. M. Campbell, S. Vokal, A. Ogawa, Niseem Magdy, H. Caines, Sudhir Raniwala, Nilay Shah, G. Wang, Q. Y. Shou, M. J. Skoby, R. Pak, T. G. Dedovich, A. Quintero, D. Tlusty, K. Yip, J. S. Wang, R. R. Debbe, M. Vandenbroucke, L. Fulek, L. Didenko, I. Chakaberia, Shangfeng Yang, J. H. Chen, W. J. Llope, Alexander Jentsch, James Brandenburg, A. Attri, D. A. Morozov, Guannan Xie, Xuan Zhang, Hanna Paulina Zbroszczyk, Y. Wang, Y. Fisyak, Y. J. Sun, C. Dilks, Lin Ma, P. V. Shanmuganathan, K. Oh, R. Reed, A. A. Derevschikov, J. Jia, Yinina Ma, L. Wen, L. Song, W. Q. Shen, D. Garand, Sevil Salur, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. E. Dunkelberger, L. G. Efimov, T. K. Nayak, Y. Panebratsev, and D. Grosnick
Subjects: Nuclear physics, Physics, 010308 nuclear & particles physics, 0103 physical sciences, Transverse momentum, Chatterjee, Heavy ion, Modification factor, 010306 general physics, 01 natural sciences
Abstract: Author(s): Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Aparin, A; Arkhipkin, D; Aschenauer, EC; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Bellwied, R; Bhasin, A; Bhati, AK; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Bouchet, J; Brandenburg, JD; Brandin, AV; Bunzarov, I; Butterworth, J; Caines, H; Calderon De La Barca Sanchez, M; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Das, S; De Silva, LC; Debbe, RR; Dedovich, TG; Deng, J; Derevschikov, AA; Di Ruzza, B; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Draper, JE; Du, CM; Dunkelberger, LE; Dunlop, JC; Efimov, LG; Engelage, J; Eppley, G; Esha, R; Evdokimov, O; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Feng, Z; Filip, P; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Garand, D; Geurts, F; Gibson, A; Girard, M; Greiner, L; Grosnick, D; Gunarathne, DS; Guo, Y; Gupta, S; Gupta, A; Guryn, W; Hamad, AI | Abstract: We report on the measurement of J/ψ production in the dielectron channel at midrapidity (|y|l1) in p+p and d+Au collisions at sNN=200GeV from the STAR experiment at the Relativistic Heavy Ion Collider. The transverse momentum pT spectra in p+p for pTl4GeV/c and d+Au collisions for pTl3GeV/c are presented. These measurements extend the STAR coverage for J/ψ production in p+p collisions to low pT. The (pT2) from the measured J/ψ invariant cross section in p+p and d+Au collisions are evaluated and compared to similar measurements at other collision energies. The nuclear modification factor for J/ψ is extracted as a function of pT and collision centrality in d+Au and compared to model calculations using the modified nuclear parton distribution function and a final-state J/ψ nuclear absorption cross section.
Published: 2016

29. Analysis techniques for the evaluation of the neutrinoless double-βdecay lifetime inTe130with the CUORE-0 detector

Author: L. Marini, N. Casali, C. Bucci, T. D. Gutierrez, M. Tenconi, M. Pavan, D. Santone, K. Alfonso, R. Hennings-Yeomans, A. Caminata, Marco Pallavicini, S. Zucchelli, L. Pattavina, Ioan Dafinei, Oliviero Cremonesi, Alan R. Smith, G. Fernandes, G. Pessina, M. Faverzani, L. Zanotti, Massimiliano Clemenza, Monica Sisti, C. Rosenfeld, L. Gladstone, A. Bersani, L. Cardani, Jonathan Ouellet, E. Previtali, P. Gorla, F. Ferroni, C. Tomei, L. Carbone, A. Woodcraft, C. Pagliarone, A. Giuliani, G. Bari, Stuart Freedman, R. J. Creswick, V. Palmieri, T. I. Banks, Eugene E. Haller, C. Brofferio, P. J. Mosteiro, S. L. Wagaarachchi, M. I. Martínez, S. Pozzi, L. Gironi, Eric B. Norman, F. T. Avignone, A. Dally, S. Zimmermann, Evelyn Ferri, James R. Wilson, Silvio Morganti, Jeremy S. Cushman, C. J. Davis, S. Di Domizio, Nicholas Scielzo, F. Terranova, S. Trentalange, D. R. Artusa, K. P. Hickerson, B. K. Fujikawa, G. Ventura, N. Moggi, G. Piperno, Liu Xt, M. M. Deninno, C. Gotti, M. Biassoni, T. Wise, A. Giachero, Lucia Canonica, Yinina Ma, M. Vignati, D. Q. Fang, N. Chott, Samuele Sangiorgio, A. Nucciotti, B. X. Zhu, F. Bellini, Davide Chiesa, K. E. Lim, Lorenzo Cassina, L. Taffarello, Ke Han, C. Nones, C. Alduino, S. Pirro, Jeffrey W. Beeman, Reina H. Maruyama, H. W. Wang, A. Drobizhev, T. O'Donnell, Elena Sala, Guimin Zhang, Y. Mei, Stefano Dell'Oro, F. Orio, Vasundhara Singh, Xi-Guang Cao, K. M. Heeger, Luigi Cappelli, H. Z. Huang, B. S. Wang, O. Azzolini, Yu G. Kolomensky, C. Cosmelli, Simone Capelli, R. W. Kadel, E. Fiorini, M. L. Di Vacri, S. Copello, Paolo Carniti, G. Keppel, Lindley Winslow, M. Maino, E. V. Hansen, C. Rusconi, and V. Pettinacci
Subjects: Physics, 010308 nuclear & particles physics, Detector, Bremsstrahlung, 01 natural sciences, Beta decay, Upper and lower bounds, Nuclear physics, MAJORANA, CUORE, 0103 physical sciences, Beta (velocity), Neutrino, 010306 general physics
Abstract: We describe in detail the methods used to obtain the lower bound on the lifetime of neutrinoless double-beta (0 nu beta beta) decay in Te-130 and the associated limit on the effective Majorana mass of the neutrino using the CUORE-0 detector. CUORE-0 is a bolometric detector array located at the Laboratori Nazionali del Gran Sasso that was designed to validate the background reduction techniques developed for CUORE, a next-generation experiment scheduled to come online in 2016. CUORE-0 is also a competitive 0 nu beta beta decay search in its own right and functions as a platform to further develop the analysis tools and procedures to be used in CUORE. These include data collection, event selection and processing, as well as an evaluation of signal efficiency. In particular, we describe the amplitude evaluation, thermal gain stabilization, energy calibration methods, and the analysis event selection used to create our final 0 nu beta beta search spectrum. We define our high level analysis procedures, with emphasis on the new insights gained and challenges encountered. We outline in detail our fitting methods near the hypothesized 0 nu beta beta decay peak and catalog the main sources of systematic uncertainty. Finally, we derive the 0 nu beta beta decay half-life limits previously reported for CUORE-0, T-1/2(0 nu) > 2.7 x 10(24) yr, and in combination with the Cuoricino limit, T-1/2(0 nu) > 4.0 x 10(24) yr.
Published: 2016

30. Measurement of the Transverse Single-Spin Asymmetry inp↑+p→W±/Z0at RHIC

Author: R. P. Scharenberg, Christina Markert, E. P. Sichtermann, D. Smirnov, O. Rusnakova, L. K. Kosarzewski, Y. X. Pan, Nasim, W. W. Jacobs, K. D. Landry, Y. Fisyak, J. Lauret, Rashmi Raniwala, Lin Ma, K. Oh, Z. Chang, A. K. Bhati, Xiangming Sun, D. Keane, R. Lednicky, L. Kochenda, T. Tarnowsky, R. S. Longacre, Nikolai Smirnov, R. Stock, L. E. Dunkelberger, L. G. Efimov, Mukesh Sharma, T. Ullrich, Zebo Tang, M. Posik, T. K. Nayak, K. Poniatowska, Junjie Zhang, D. Cebra, H. M. Spinka, C. M. Du, Maksym Zyzak, H. S. Xu, J. Novak, P. Seyboth, A. Banerjee, Leo Clifford Greiner, S. K. Gupta, Giacomo Contin, Leszek Adamczyk, Z. J. Sun, N. K. Pruthi, P. Federic, Z. H. Khan, Bedangadas Mohanty, B. Sharma, D. Tlusty, J. Bouchet, M. K. Mustafa, J. C. Webb, Y. Li, S. Singha, G. Igo, C. Perkins, J. Butterworth, Nihar Sahoo, I. G. Alekseev, G. Eppley, X. C. Chen, P. Huck, J. Porter, W. J. Llope, M. A. Lisa, J. C. Mei, B. Pawlik, Ivan Kisel, Y. F. Xu, Xiaofeng Zhu, J. Pluta, C. Zhong, E. C. Aschenauer, S. Margetis, A. Roy, Anthony Robert Timmins, Adam Ryszard Kisiel, W. Li, Xiaofeng Luo, Y. Panebratsev, D. Grosnick, Alexander Jentsch, X. Dong, A. Ogawa, P. Bhattarai, A. Gibson, G. Wang, J. Engelage, Rene Bellwied, H. J. Crawford, S. Heppelmann, G. Nigmatkulov, A. Attri, R. Esha, Guo-Liang Ma, Basanta Kumar Nandi, Zongye Zhang, J. Rusnak, A. Sarkar, J. Jia, A. F. Kraishan, Q. H. Xu, L. Ruan, J. Xu, Anik Gupta, I. G. Bordyuzhin, M. J. Skoby, B. J. Summa, R. E. Tribble, Jana Bielcikova, Isaac Upsal, L. Fulek, J. K. Adkins, J. M. Landgraf, R. Fatemi, Gerald W Hoffmann, Robert Vertesi, L. He, K. Kauder, Xuan Zhang, Yinina Ma, K. Krueger, Y. Guo, L. C. Bland, Jongmin Lee, J. H. Thomas, G. Odyniec, R. L. Ray, R. Ma, Madan M. Aggarwal, A. S. Hirsch, P. Kravtsov, Y. Zoulkarneeva, A. M. Schmah, Fuqiang Wang, Frank Jm Geurts, K. Yip, J. S. Wang, F. Liu, M. Strikhanov, P. Sorensen, Jie Zhao, T. Lin, S. Horvat, T. Todoroki, Xuedong Bai, L. P. Zhou, Michal Sumbera, R. R. Debbe, Sergey Voloshin, D. K. Mishra, J. B. Zhang, T. Ljubicic, M. Shao, G. Van Buren, L. Wen, L. Song, W. Q. Shen, H. Z. Huang, L. Didenko, I. Chakaberia, Jinhui Chen, S. S. Shi, D. N. Svirida, M. Vandenbroucke, B. Huang, J. Sandweiss, S. H. Zhang, Hanna Paulina Zbroszczyk, R. D. Majka, A. I. Hamad, M. Stepanov, G. S. Averichev, Zhigang Xiao, T. Huang, M. Simko, D. Garand, L. Yi, M. Cherney, Lokesh Kumar, Hua Pei, N. G. Minaev, A. Manion, D. Kalinkin, Y. J. Sun, C. Dilks, D. D. Koetke, James Brandenburg, F. Videbæk, Niseem Magdy, H. Caines, Sudhir Raniwala, A. Quintero, J. M. Campbell, G. Webb, W. Zha, Sevil Salur, Y. Wang, S. Ramachandran, O. Eyser, M. M. Mondal, Xin-Yuan Huang, S. K. Tripathy, K. Jiang, Yanjun Wu, Sukalyan Chattopadhyay, N. Xu, P. Filip, W. Solyst, J. Schambach, S. W. Wissink, Y. Zhang, J. L. Romero, H. G. Ritter, A. Vossen, P. V. Shanmuganathan, W. Guryn, W. Christie, P. Pile, G. D. Westfall, S. Fazio, Rafal Sikora, Jun Deng, M. A.C. Lamont, J. Fedorisin, S. Vokal, S. Y. Noh, M. R. Girard, Andrey Vasiliev, Z. Feng, M. Lomnitz, J. W. Harris, J. E. Draper, M. Calderon De La Barca Sanchez, T. G. Dedovich, C. E. Flores, Haiyan Wang, G. Agakishiev, D. S. Gunarathne, P. Chaloupka, J. Thäder, D. L. Olvitt, D. G. Underwood, X. Xie, Z. J. Xu, P. Yepes, X.G. Li, A. H. Tang, Janet Elizabeth Seger, Q. Yang, Jaroslav Bielcik, T. J. Humanic, A. A. Derevschikov, I. Bunzarov, C. Yang, David Jonathan Hofman, S. Kabana, Anju Bhasin, J. Cheng, Abdel Nasser Tawfik, L. C. De Silva, Shangfeng Yang, T. Niida, R. Varma, S. B. Nurushev, B. S. Page, D. P. Kikola, I. K. Yoo, A. Lebedev, B. Stringfellow, Z. Shi, O. V. Rogachevskiy, S. Trentalange, D. Arkhipkin, H. J. Jang, A. Hamed, I. Sakrejda, R. Haque, D. A. Morozov, E. G. Judd, Vitaly Okorokov, Bernd Surrow, W. B. Schmidke, C. A. Gagliardi, N. Yu, Kejun Kang, L. V. Nogach, Nilay Shah, Sumit R. Das, K. Meehan, Jorn Henning Putschke, A. V. Brandin, G. Van Nieuwenhuizen, K. Xin, Vipul Bairathi, A. M. Poskanzer, Z. Ye, A. Kechechyan, Pradip Kumar Sahu, H. Qiu, M. Tokarev, Yang Yang, T. D. S. Stanislaus, H. H. Wieman, J. C. Dunlop, Zubayer Ahammed, Q. Y. Shou, R. Pak, R. Witt, S. Mioduszewski, Donald M. McDonald, Prithwish Tribedy, B. K. Srivastava, J. L. Drachenberg, Olga Evdokimov, Jay Roberts, H. W. Ke, B. Di Ruzza, Wei Xie, A. Aparin, Y. Pandit, N. Schmitz, E. Shahaliev, O. D. Tsai, and C-Q. Li
Subjects: Quantum chromodynamics, Physics, Particle physics, 010308 nuclear & particles physics, media_common.quotation_subject, General Physics and Astronomy, Perturbative QCD, Parton, Deep inelastic scattering, 01 natural sciences, Asymmetry, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, media_common, Boson
Abstract: We present the measurement of the transverse single-spin asymmetry of weak boson production in transversely polarized proton-proton collisions at sqrt[s]=500 GeV by the STAR experiment at RHIC. The measured observable is sensitive to the Sivers function, one of the transverse-momentum-dependent parton distribution functions, which is predicted to have the opposite sign in proton-proton collisions from that observed in deep inelastic lepton-proton scattering. These data provide the first experimental investigation of the nonuniversality of the Sivers function, fundamental to our understanding of QCD.
Published: 2016

31. The influence of Er, Ti co-doping on the multiferroic properties of BiFeO3 thin films

Author: Jieyu Chen, Yinina Ma, Shifeng Zhao, Wenyu Xing, Yulong Bai, and Hao Zhang
Subjects: 010302 applied physics, Condensed matter physics, Ferromagnetic material properties, 02 engineering and technology, General Chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Ferroelectricity, Crystal, Condensed Matter::Materials Science, Magnetization, Condensed Matter::Superconductivity, Phase (matter), 0103 physical sciences, Condensed Matter::Strongly Correlated Electrons, General Materials Science, Multiferroics, Orthorhombic crystal system, Thin film, 0210 nano-technology
Abstract: The pure and Er, Ti co-doped BiFeO3 thin films were prepared by chemistry solution deposition. Enhanced ferroelectric and ferromagnetic properties were obtained, which is mainly attributed to that the effect of co-doping Er and Ti leads to the drastic crystal structural transformation from rhombohedral phase to orthorhombic phase. Thus crystal structural transformation not only changes the switching behavior of the polarization path to improve the ferroelectric polarization, but also suppresses the original spiral spin structure to release the locked magnetization. At the same time, the leakage current density is decreased after doping Er3+ and Ti4+, which results from that the crystal structural transformation changes the leakage current mechanism. The present work provides an available way on improving the multiferroic properties of BiFeO3 thin films.
Published: 2016

32. Magnetocaloric effect in the layered organic–inorganic hybrid (CH 3 NH 3 ) 2 CuCl 4

Author: Yinina Ma, Yisheng Chai, Liqin Yan, Dashan Shang, Kun Zhai, and Young Sun
Subjects: Materials science, Analytical chemistry, General Physics and Astronomy, 02 engineering and technology, Crystal structure, 021001 nanoscience & nanotechnology, 01 natural sciences, Heat capacity, Magnetic field, Condensed Matter::Materials Science, Magnetization, Ferromagnetism, 0103 physical sciences, Magnetic refrigeration, Curie temperature, Condensed Matter::Strongly Correlated Electrons, 010306 general physics, 0210 nano-technology, Adiabatic process
Abstract: We present a study of magnetocaloric effect of the quasi-two-dimensional (2D) ferromagnet (CH3NH3)2CuCl4 in ab plane (easy-plane). From the measurements of magnetic field dependence of magnetization at various temperatures, we have discovered a large magnetic entropy change associated with the ferromagnetic–paramagnetic transition. The heat capacity measurements reveal an abnormal adiabatic change below the Curie temperature T c ~ 8.9 K, which is caused by the nature of quasi-2D layered crystal structure. These results suggest that perovskite organic–inorganic hybrids with a layered structure are suitable candidates as working substances in magnetic refrigeration technology.
Published: 2018

33. Investigations on light proton-rich nuclei with exotic structure

Author: Wen-Qing Shen, C. Zhong, X.F. Zhou, HY（张虎勇） Zhang, Yinina Ma, Z. Z. Ren, Guo-Liang Ma, YB Wei, X. Z. Cai, Kun Wang, and J. G. Chen
Subjects: Physics, Nuclear and High Energy Physics, Isotope, Nuclear Theory, Nuclear physics, medicine.anatomical_structure, Atomic orbital, Isospin, Excited state, Pairing, medicine, Halo, Atomic physics, Nuclear Experiment, Ground state, Nucleus
Abstract: One of the proton halo candidates 23Al and its isotopes are systematically investigated in the nonlinear Relativistic Mean-Field and Skyrme Hartree-Fock approaches. It is shown that there exists the energy inversion of ( 5 2 ) + (202) and ( 1 2 ) + (211) orbitals in 23Al nucleus and which may produce the large enhancement of reaction cross section comparing with its neighboring nuclei. Meanwhile, it is obvious to see that the isospin effect of the pairing correlation plays a great role to the separation energy when the Al isotopes approach to the proton drip line. In addition, the ground state and excited state of 9B, 13N are also investigated in the RMF model. There may exist the halo structure in 13N when the last proton of 13N occupies in the first excited state.
Published: 2003

34. Directed and elliptic flows in 40Ca + 40Ca and 112Sn + 112Sn collisions

Author: Yan Wei, D. Q. Fang, Yinina Ma, W. Q. Shen, Liping Yu, C. Zhong, X. Z. Cai, and Hengqing Zhang
Subjects: Physics, Nuclear and High Energy Physics, Photon, Nuclear Theory, Hadron, Elliptic flow, Charge (physics), Physics::Fluid Dynamics, Nuclear physics, Flow (mathematics), Nuclear fusion, Atomic physics, Nuclear Experiment, Nucleon, Quantum
Abstract: The directed and elliptic flows for different light particles and fragments in collisions of 40Ca + 40Ca and 112Sn + 112Sn at energies from 30MeV/nucleon to 100MeV/nucleon were studied in the isospin-dependent quantum molecule dynamics model (IQMD). With increasing incident energy, the directed flow rises from negative to positive, while the elliptic flow decreases with increasing the incident energies. The directed flow for the 40Ca + 40Ca system is not sensitive to the nuclear equation of states (EOS), but the directed flow for the 112Sn + 112Sn system is sensitive to the EOS. However, the elliptic flows for both 40Ca + 40Ca and 112Sn + 112Sn systems are not sensitive to EOS. A study of the dependence of directed and elliptic flows on the fragment charge (mass) is also performed.
Published: 2002

35. Large pyroelectric and thermal expansion coefficients in the [(CH3)2NH2]Mn (HCOO)3 metal-organic framework

Author: Young Sun, Dashan Shang, Junzhuang Cong, Yinina Ma, Yisheng Chai, and Liqin Yan
Subjects: Phase transition, Materials science, Physics and Astronomy (miscellaneous), Condensed matter physics, Hydrogen bond, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, 01 natural sciences, Ferroelectricity, Thermal expansion, 0104 chemical sciences, Pyroelectricity, Metal-organic framework, 0210 nano-technology, Polarization (electrochemistry), Group 2 organometallic chemistry
Abstract: The [(CH3)2NH2]Mn(HCOO)3 perovskite metal-organic framework exhibits a first-order ferroelectric phase transition with a high polarization at Tc ∼ 192 K, induced by the order-disorder transition of hydrogen bonds. Accompanying this sharp phase transition, a huge pyroelectric coefficient with a peak value of 5.16 × 10−2 C/m2 K is detected. In addition, there is a large lattice expansion along the [012] direction at Tc, resulting in a giant linear thermal expansion coefficient as high as 35 000 ppm/K. These striking results indicate that ferroelectric metal-organic frameworks combing both merits of inorganic and organic compounds hold a great potential in generating superior pyroelectric and thermal expansion properties.
Published: 2017

36. J/ψproduction at lowpTin Au + Au and Cu + Cu collisions atsNN=200GeV with the STAR detector

Author: B. Pawlik, C. D. Anson, J. W. Harris, A. Gibson, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, Radoslaw Antoni Kycia, Thorsten Sven Kollegger, D. Kalinkin, D. L. Olvitt, Basanta Kumar Nandi, T. P. Burton, P. Yepes, A. Davila Leyva, Y. Xu, P. Chaloupka, Z. J. Xu, S. Trentalange, S. Heppelmann, Jongmin Lee, I. G. Alekseev, R. L. Ray, Bedangadas Mohanty, A. Chikanian, T. S. McShane, P. Bhattarai, Madan M. Aggarwal, A. H. Tang, R. Vertesi, M. A. Lisa, Chen Yang, Y. F. Wu, L. Eun, R. S. Longacre, E. Sangaline, D. Arkhipkin, A. Hamed, Jay Roberts, Fuqiang Wang, Z. Chang, Xiangming Sun, F. Liu, Miroslav Simko, C. K. Riley, Li-Yi Chen, T. Ljubicic, Mariusz Przybycien, J. B. Zhang, D. D. Koetke, J. E. Draper, J. Engelage, I. Bunzarov, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, J. Novak, C. B. Powell, H. W. Ke, K. Poniatowska, M. Wada, M. Shao, Y. X. Pan, G. Van Buren, B. Haag, H. Caines, Sudhir Raniwala, S. Ramachandran, A. Quintero, G. Nigmatkulov, O. Eyser, J. Alford, W. Guryn, A. Vossen, N. Xu, S. K. Gupta, M. M. Mondal, P. Filip, I. Sakrejda, B. Di Ruzza, J. M. Landgraf, M. A.C. Lamont, L-X. Han, Y. Fisyak, S. Y. Noh, P. Pile, H. M. Spinka, G. D. Westfall, R. D. Majka, G. Igo, B. Sharma, Zebo Tang, L. Kotchenda, Y. J. Sun, H. Z. Huang, S. Vokal, J. Bouchet, F. Videbæk, G. Webb, Giacomo Contin, Nihar Sahoo, J. Fedorisin, Janusz Chwastowski, Michal Sumbera, W. Borowski, M. A. Szelezniak, K. Oh, Stephen V. Gliske, E. P. Sichtermann, N. K. Pruthi, J. L. Romero, J. Schambach, A. Banerjee, P. Huck, Lokesh Kumar, K. D. Landry, K. Kauder, H. Qiu, Leo Clifford Greiner, Vitaly Okorokov, R. Witt, Xiangyuan Cui, W. Christie, S. Mioduszewski, C. Dilks, M. Strikhanov, J. Konzer, Rashmi Raniwala, Jie Zhao, S. Horvat, Sukalyan Chattopadhyay, J. Butterworth, G. Eppley, M. Tokarev, Yang Yang, Anthony Robert Timmins, S. Kabana, Bernd Surrow, A. K. Bhati, D. Keane, Y. P. Viyogi, P. V. Shanmuganathan, Xin-Yuan Huang, Nikolai Smirnov, J. H. Thomas, Adam Ryszard Kisiel, S. Bültmann, Andrey Vasiliev, J. Sandweiss, P. Seyboth, Nasim, J. H. Chen, S. S. Shi, T. Pawlak, L. E. Dunkelberger, Donald M. McDonald, R. Stock, H. J. Crawford, C. Perkins, J. Pluta, M. K. Mustafa, Prithwish Tribedy, B. K. Srivastava, W. Zha, J. M. Nelson, Wei Xie, T. Ullrich, J. K. Adkins, L. G. Efimov, W. Li, Y. Li, A. A. Derevschikov, R. Fatemi, A. Aparin, G. M.S. Vasconcelos, S. W. Wissink, Q. H. Xu, A. Sarkar, J. G. Cramer, M. Calderon De La Barca Sanchez, D. A. Morozov, Leszek Adamczyk, L. Yi, H. G. Ritter, B. Huang, K. Krueger, Zhiming Li, Y. Zhang, Y. Pandit, D. P. Mahapatra, R. Derradi de Souza, T. K. Nayak, J. Xu, Rene Bellwied, J. A. Vanfossen, I. Koralt, N. Schmitz, Maksym Zyzak, N. Yu, W. B. Schmidke, S. Fazio, Kejun Kang, L. V. Nogach, Janet Elizabeth Seger, Yinina Ma, M. Lomnitz, E. Shahaliev, Y. H. Zhu, Nikola Poljak, T. D. S. Stanislaus, M. R. Girard, Wenbin Yan, C. A. Gagliardi, R. E. Tribble, Jian Deng, I. Kulakov, Anik Gupta, D. G. Underwood, J. C. Dunlop, Nilay Shah, Sumit R. Das, C. M. Du, Xuan Zhang, J. C. Webb, G. Van Nieuwenhuizen, Anju Bhasin, F. Ding, Zhigang Xiao, Yicheng Guo, G. Agakishiev, D. S. Gunarathne, Xiaofeng Luo, M. Cherney, H. S. Xu, K. S. Engle, Y. Panebratsev, Jorn Henning Putschke, Gerald W Hoffmann, D. R. Gangadharan, Zubayer Ahammed, Guo-Liang Ma, Xiaofeng Zhu, Hua Pei, E. W. Oldag, D. Grosnick, A. V. Brandin, Frank Jm Geurts, A. Lebedev, H. H. Wieman, T. J. Humanic, Jaroslav Bielcik, N. G. Minaev, Z. H. Khan, D. Cebra, K. Xin, Z. P. Zhang, Haiyan Wang, X. Li, Q. Y. Shou, G. Wang, A. S. Hirsch, P. Kravtsov, Jana Bielcikova, A. M. Schmah, Hanna Paulina Zbroszczyk, J. L. Zhang, R. Varma, J. Cheng, X. L. Wang, I. K. Yoo, B. S. Page, J. Rusnak, D. P. Kikola, A. F. Kraishan, T. J. M. Symons, C. Zhong, E. C. Aschenauer, S. Margetis, P. Sorensen, A. Kesich, B. Stringfellow, G. S. Averichev, O. V. Rogachevskiy, H. J. Jang, L. Ruan, A. Ogawa, L. C. De Silva, H. F. Chen, S. H. Zhang, R. Cendejas, R. Haque, X. Dong, Z. J. Sun, David Jonathan Hofman, D. R. Beavis, J. M. Campbell, J. Turnau, M. J.M. Codrington, H. Masui, O. D. Tsai, Amitava Roy, Justin Stevens, J. Porter, C. E. Flores, E. G. Judd, K. Yip, M. C. Cervantes, Ivan Kisel, J. S. Wang, D. Tlusty, I. G. Bordyuzhin, W. Q. Shen, L. Didenko, D. Solanki, R. R. Debbe, M. Vandenbroucke, A. M. Poskanzer, Z. Ye, T. G. Dedovich, Xiang Sun, J. Takahashi, Mirko Planinic, F. Zhao, S. B. Nurushev, D. Garand, W. J. Llope, Sevil Salur, Y. Wang, A. Kechechyan, M. J. Skoby, Pradip Kumar Sahu, A. Ohlson, L. C. Bland, C-Q. Li, R. P. Scharenberg, Christina Markert, S. G. Brovko, D. Smirnov, O. Rusnakova, H. S. Matis, D. N. Svirida, L. K. Kosarzewski, W. W. Jacobs, J. Lauret, R. Lednicky, T. Tarnowsky, P. Djawotho, and J. F. Ross
Subjects: Physics, Nuclear and High Energy Physics, chemistry.chemical_element, Modification factor, 7. Clean energy, Copper, Particle identification, Nuclear physics, chemistry, Transverse momentum, Quark–gluon plasma, Atomic physics, Relativistic Heavy Ion Collider, Hydrodynamic flow, STAR detector
Abstract: The J/ψ pT spectrum and nuclear modification factor (RAA) are reported for pT
Published: 2014

37. Measurement ofJ/ψAzimuthal Anisotropy inAu+AuCollisions atsNN=200 GeV

Author: Zubayer Ahammed, M. J. LeVine, B. Pawlik, M. Naglis, Q. Y. Shou, Xiangming Sun, P. Seyboth, M. Zyzak, H. Z. Huang, Leszek Adamczyk, R. Derradi de Souza, A. Gibson, Y. F. Wu, Madan M. Aggarwal, Fuqiang Wang, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, S. Vokal, N. K. Pruthi, Basanta Kumar Nandi, M. Shao, Y. X. Pan, G. Van Buren, F. Videbæk, G. Webb, Jay Roberts, A. Dion, K. Yip, N. Xu, S. S. Shi, A. Vossen, Sukalyan Chattopadhyay, H. W. Ke, J. S. Wang, P. Filip, B. Di Ruzza, R. R. Debbe, J. L. Romero, J. Kiryluk, J. H. Chen, Chitrasen Jena, P. Pile, E. Finch, I. Kisel, O. D. Tsai, G. Wang, G. D. Westfall, Y. P. Lu, J. M. Nelson, M. Elnimr, M. C. Cervantes, Vitaly Okorokov, Bernd Surrow, Jorn Henning Putschke, A. V. Brandin, C. D. Anson, Thorsten Sven Kollegger, W. Peryt, J. K. Adkins, W. J. Llope, P. Chung, K. Xin, A. Ohlson, D. Garand, R. Fatemi, Michael Joseph Betancourt, Z. J. Sun, S. Heppelmann, Wei Xie, D. Solanki, J. Engelage, G. Eppley, A. Aparin, G. M.S. Vasconcelos, A. M. Poskanzer, B. Schmidke, K. Krueger, L. Eun, David Jonathan Hofman, T. P. Burton, M. J.M. Codrington, H. Masui, C. A. Gagliardi, J. A. Vanfossen, J. Pluta, Y. Pandit, J. B. Zhang, D. D. Koetke, J. E. Draper, R. Witt, A. Kechechyan, A. Kesich, M. J. Skoby, R. Cendejas, R. A.N. Oliveira, M. Pachr, C. K. Riley, S. Mioduszewski, N. Schmitz, X. Li, J. M. Landgraf, S. Ramachandran, L. Kotchenda, Sevil Salur, Y. Wang, Donald M. McDonald, R. S. Longacre, Pradip Kumar Sahu, W. Li, Elena Bruna, B. Huang, E. Shahaliev, Prithwish Tribedy, B. K. Srivastava, M. M. Mondal, J. Takahashi, M. Cherney, Lokesh Kumar, M. Strikhanov, J. Konzer, Rene Bellwied, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, Y. H. Zhu, L. M. Lima, I. Sakrejda, R. E. Tribble, S. Fazio, J. Rusnak, T. J. Humanic, Jize Zhao, I. Kulakov, Bedangadas Mohanty, Xiaofeng Luo, Y. Xu, P. Chaloupka, Guo-Liang Ma, Gerald W Hoffmann, H. Qiu, J. Sandweiss, Nasim, M. Tokarev, Jaroslav Bielcik, Y. Fisyak, G. Igo, J. Novak, Stephen V. Gliske, B. Sharma, J. Bouchet, Z. J. Xu, C. A. Whitten, A. K. Bhati, D. Keane, Haiyan Wang, S. Trentalange, Y. Yang, Z. P. Zhang, Nikolai Smirnov, R. Stock, A. S. Hirsch, L. Ruan, K. D. Landry, K. Kauder, J. Butterworth, F. Liu, K. Oh, Mariusz Przybycien, T. D. S. Stanislaus, L. G. Efimov, T. K. Nayak, P. Kravtsov, A. M. Schmah, D. M.M.D. Madagodagettige Don, D. R. Gangadharan, M. K. Mustafa, L. Yi, S. LaPointe, Nilay Shah, H. G. Ritter, E. Flores, F. Ding, R. Varma, A. Chikanian, R. G. Fersch, X. Z. Cai, H. H. Wieman, Jian Deng, Y. Panebratsev, S. K. Gupta, D. Grosnick, Xuan Zhang, Hanna Paulina Zbroszczyk, Y. Li, R. Corliss, James Prewitt Hays-Wehle, B. S. Page, D. P. Kikola, O. Hajkova, X. L. Wang, G. Agakishiev, D. P. Mahapatra, Z. Chang, O. V. Rogachevskiy, D. R. Beavis, L. C. Bland, B. Stringfellow, F. Zhao, Zhiming Li, P. Huck, C. Zhong, E. C. Aschenauer, A. Sandacz, M. Wada, A. Luszczak, Li-Yi Chen, Q. H. Xu, J. Turnau, D. Cebra, M. A.C. Lamont, Anthony Robert Timmins, Adam Ryszard Kisiel, L-X. Han, S. G. Brovko, R. D. Majka, R. N. Singaraju, S. Margetis, L. Xue, J. G. Cramer, Sergey Voloshin, Zhigang Xiao, H. J. Crawford, M. Sharma, E. Sangaline, D. Arkhipkin, A. Hamed, M. C. Suarez, D. N. Svirida, W. Xu, Wolfgang Korsch, J. Y. Chen, W. Borowski, Z. Barnovska, Xiaofeng Zhu, E. W. Oldag, T. S. McShane, P. Bhattarai, J. Schambach, X. Dong, Michal Sumbera, A. A. P. Suaide, Xiangyuan Cui, W. Christie, S. K. Pal, Justin Stevens, J. C. Webb, Y. J. Sun, A. Ogawa, H. F. Chen, S. Kabana, Marcelo Gameiro Munhoz, Y. P. Viyogi, S. Bültmann, M. Zawisza, H. M. Spinka, S. W. Wissink, C-Q. Li, T. G. Dedovich, Y. Zhang, R. P. Scharenberg, Christina Markert, A. Banerjee, Nikola Poljak, E. P. Sichtermann, J. Porter, D. Smirnov, H. S. Matis, I. G. Alekseev, L. H. Tarini, M. A. Lisa, W. W. Jacobs, I. K. Yoo, J. Lauret, H. Pei, J. Balewski, Rashmi Raniwala, Janet Elizabeth Seger, R. Lednicky, Claude Andre Pruneau, T. Tarnowsky, P. Djawotho, E. G. Judd, H. Bichsel, G. Odyniec, Anju Bhasin, Y. Zoulkarneeva, J. H. Thomas, U. G. Desouza, J. F. Ross, T. Ullrich, Q. Wang, Jana Bielcikova, N. R. Sahoo, A. Lebedev, T. R. Schuster, G. S. Averichev, P. R. Pujahari, C. B. Powell, I. Koralt, Kejun Kang, L. V. Nogach, C. M. Du, H. S. Xu, Sumit R. Das, P. Sorensen, G. Van Nieuwenhuizen, Jongmin Lee, R. L. Ray, T. Ljubicic, L. Didenko, H. Caines, Sudhir Raniwala, William Axel Leight, Yinina Ma, S. R. Klein, L. E. Dunkelberger, D. L. Olson, Anik Gupta, Frank Jm Geurts, Jifa Tian, S. H. Zhang, B. Haag, Zebo Tang, Janusz Chwastowski, S. Dhamija, C. Perkins, J. W. Harris, P. Yepes, A. Davila Leyva, A. H. Tang, I. Bunzarov, M. Calderon De La Barca Sanchez, J. Alford, W. Guryn, O. G. Grebenyuk, J. Fedorisin, Russell Richard Betts, D. G. Underwood, J. Cheng, T. J. M. Symons, L. C. De Silva, S. Horvat, A. Szanto de Toledo, J. Kapitan, M. K. Mitrovski, T. Pawlak, Y. Mohammed, A. Sarkar, and J. C. Dunlop
Subjects: Coalescence (physics), Physics, Particle physics, 010308 nuclear & particles physics, Elliptic flow, General Physics and Astronomy, Elementary particle, 01 natural sciences, Charm quark, Nuclear physics, Transverse plane, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Anisotropy
Abstract: The measurement of J/psi azimuthal anisotropy is presented as a function of transverse momentum for different centralities in Au + Au collisions at root s(NN) = 200 GeV. The measured J/psi elliptic flow is consistent with zero within errors for transverse momentum between 2 and 10 GeV/c. Our measurement suggests that J/psi particles with relatively large transverse momenta are not dominantly produced by coalescence from thermalized charm quarks, when comparing to model calculations.
Published: 2013

38. Observation of Magnetodielectric Effect in a Dysprosium-Based Single-Molecule Magnet.

Author: Yu-Xia Wang, Yinina Ma, Yisheng Chai, Wei Shi, Young Sun, and Peng Cheng
Published: 2018
Full Text: View/download PDF

39. Strangeness Enhancement in Cu-Cu and Au-Au Collisions atsNN=200 GeV

Author: L. Kotchenda, Bedangadas Mohanty, E. P. Sichtermann, R. G. Fersch, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, T. Ullrich, C. M. Du, H. S. Xu, L. Eun, M. Calderon De La Barca Sanchez, M. Wada, R. Fatemi, Michael Joseph Betancourt, M. K. Mustafa, K. Krueger, T. S. McShane, D. P. Mahapatra, Jongmin Lee, R. L. Ray, T. Ljubicic, H. Caines, Sudhir Raniwala, J. A. Vanfossen, X. L. Wang, C. Zhong, Thorsten Sven Kollegger, S. Heppelmann, X. Dong, S. K. Pal, Justin Stevens, M. Cherney, Lokesh Kumar, Matthew Walker, F. Liu, J. B. Zhang, D. D. Koetke, J. E. Draper, Y. J. Sun, J. L. Romero, T. P. Burton, R. Manweiler, Hongfang Liu, J. Engelage, R. D. Majka, Li-Yi Chen, J. Y. Chen, W. Borowski, S. Margetis, J. Schambach, S. Kabana, E. Finch, A. M. Poskanzer, Premomoy Ghosh, J. M. Landgraf, Y. P. Viyogi, Xiangyuan Cui, W. Christie, David Jonathan Hofman, H. Masui, F. Videbæk, M. Zawisza, H. M. Spinka, Mateusz Andrzej Ploskon, R. Witt, G. Webb, Q. H. Xu, A. Kechechyan, W. M. Zhang, Andrey Vasiliev, L. Li, S. Mioduszewski, R. A.N. Oliveira, B. Morozov, J. Seele, M. Krus, R. Cendejas, J. Porter, Peter Martin Jacobs, Janet Elizabeth Seger, O. I. Mall, Madan M. Aggarwal, Anju Bhasin, J. Takahashi, D. Thein, Fuqiang Wang, R. P. Redwine, M. A.C. Lamont, L-X. Han, Donald M. McDonald, S. B. Nurushev, L. H. Tarini, J. W. Harris, Prithwish Tribedy, Chitrasen Jena, A. Lebedev, H. Pei, Y. Fisyak, E. Hjort, B. K. Srivastava, R. N. Singaraju, L. Huo, Jana Bielcikova, A. P. Meschanin, Y. F. Wu, M. Tokarev, K. Oh, L. Koroleva, Yong Xu, Y. P. Lu, P. Yepes, A. Davila Leyva, S. Chattopadhyay, B. V.K.S. Potukuchi, W. Xu, Wolfgang Korsch, X. G. Luo, Ross Milner, A. H. Tang, G. Wang, P. Seyboth, W. J. Llope, I. Bunzarov, Jian Deng, P. Sorensen, T. D. S. Stanislaus, G. Agakishiev, Zhigang Xiao, M. Sharma, H. H. Wieman, I. Koralt, Peter Graham Jones, R. Derradi de Souza, S. K. Gupta, D. Cebra, N. G. Minaev, M. Estienne, Kejun Kang, L. V. Nogach, W. L. Zhan, A. Ohlson, Xiaofeng Zhu, I. K. Yoo, Y.Y. Li, Frank Simon, Marcelo Gameiro Munhoz, D. J. Prindle, G. Van Nieuwenhuizen, J. H. Thomas, U. G. Desouza, Xuan Zhang, Jie Liu, Ermes Braidot, P. Chung, A. Ogawa, M. J. M. Codrington, L. Didenko, I. G. Alekseev, Donika Plyku, H. F. Chen, M. A. Lisa, V. Fine, Thomas A. Trainor, E. G. Judd, Anthony Robert Timmins, Adam Ryszard Kisiel, Wei Xie, Hanna Paulina Zbroszczyk, H. J. Crawford, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, E. V. Lukashov, D. R. Beavis, J. Joseph, William Axel Leight, J. G. Cramer, G. M.S. Vasconcelos, Q. Wang, J. L. Drachenberg, Olga Evdokimov, Barbara Antonina Trzeciak, N. R. Sahoo, Haiyan Wang, S. R. Klein, Y. Pandit, T. R. Schuster, N. L. Subba, D. Kettler, N. Schmitz, E. Shahaliev, F. Zhao, D. L. Olson, C-Q. Li, R. P. Scharenberg, Christina Markert, X. Z. Cai, Jay Roberts, H. Z. Huang, S. Vokal, G. S. Averichev, A. A. Derevschikov, H. W. Ke, R. S. Longacre, M. Shao, G. Van Buren, I. Selyuzhenkov, Michal Sumbera, A. A. P. Suaide, Vitaly Okorokov, Bernd Surrow, S. S. Shi, E. W. Oldag, S. W. Wissink, A. Bridgeman, G. Igo, J. Kiryluk, Nikola Poljak, J. H. Chen, J. Bouchet, Russell Richard Betts, J. Schaub, K. Kauder, J. M. Nelson, Zhenyu Zhang, D. A. Morozov, Z. J. Sun, D. G. Underwood, B. Haag, W. Peryt, J. Cheng, T. J. M. Symons, Zhiming Li, Zebo Tang, A. K. Bhati, L. C. De Silva, Sergey Voloshin, D. Keane, T. G. Dedovich, Nikolai Smirnov, R. Stock, J. C. Dunlop, A. Szanto de Toledo, L. G. Efimov, J. Kapitan, J. C. Webb, Zubayer Ahammed, S. M. Dogra, T. J. Humanic, M. J. LeVine, T. K. Nayak, T. Pawlak, W. Witzke, Y. Mohammed, A. V. Alakhverdyants, A. Sarkar, C. Perkins, O. D. Tsai, S. Bueltmann, J. Alford, Q. Y. Shou, W. Guryn, O. G. Grebenyuk, M. Elnimr, M. C. Cervantes, J. Fedorisin, T. Peitzmann, A. G. Knospe, P. R. Pujahari, C. B. Powell, R. Varma, James Prewitt Hays-Wehle, B. S. Page, Anik Gupta, D. P. Kikola, Elena Bruna, B. Stringfellow, Sevil Salur, Y. Wang, M. J. Skoby, Frank Jm Geurts, Y. Panebratsev, D. Grosnick, V. Kouchpil, Jifa Tian, Guo-Liang Ma, Yi Zhang, Rolf K. Reed, S. H. Zhang, A. S. Hirsch, P. Kravtsov, Yinina Ma, A. M. Schmah, M. Strikhanov, J. Konzer, Ki-Seok Choi, J. Sandweiss, D. R. Gangadharan, K. Yip, J. S. Wang, R. R. Debbe, H. S. Matis, S. G. Steadman, W. W. Jacobs, J. Lauret, I. Sakrejda, X. Li, M. Naglis, J. Rusnak, C. A. Whitten, R. Lednicky, Feng Jin, L. Ruan, L. C. Bland, R. Corliss, Y. Yang, T. Tarnowsky, P. Djawotho, N. Xu, P. Filip, Basanta Kumar Nandi, M. K. Mitrovski, S. LaPointe, N. Li, P. Pile, G. D. Westfall, A. Gordon, Nilay Shah, S. G. Brovko, D. Tlusty, I. G. Bordyuzhin, Mirko Planinic, M. C. Suarez, D. N. Svirida, A. Chikanian, Xiangming Sun, B. Huang, V. Kizka, Hao Qiu, Y. N. Gorbunov, B. D. Anderson, O. Hajkova, E. Sangaline, D. Arkhipkin, A. Hamed, N. K. Pruthi, G. Eppley, D. Solanki, J. Pluta, W. Li, Rene Bellwied, Y. H. Zhu, L. M. Lima, R. E. Tribble, Jize Zhao, Gerald W Hoffmann, C. A. Gagliardi, M. Pachr, Jorn Henning Putschke, A. V. Brandin, M. Heinz, Lee Stuart Barnby, Jaroslav Bielcik, Nirbhay Kumar Behera, H. G. Ritter, O. V. Rogachevskiy, Mitali Mondal, L. Xue, P. Chaloupka, Z. J. Xu, S. Trentalange, and C. D. Anson
Subjects: Physics, Quantitative Biology::Neurons and Cognition, 010308 nuclear & particles physics, Hadron, General Physics and Astronomy, chemistry.chemical_element, Strangeness, Lambda, 01 natural sciences, Omega, Copper, Nuclear physics, chemistry, 0103 physical sciences, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Nucleon, Relativistic Heavy Ion Collider, Bar (unit)
Abstract: We report new STAR measurements of midrapidity yields for the Lambda, (Lambda) over bar, K-S(0), Xi(-), (Xi) over bar (+), Omega(-), (Omega) over bar (+) particles in Cu + Cu collisions at root s(NN) = 200 GeV, and midrapidity yields for the Lambda, (Lambda) over bar, K-S(0) particles in Au + Au at root s(NN) = 200 GeV. We show that, at a given number of participating nucleons, the production of strange hadrons is higher in Cu + Cu collisions than in Au + Au collisions at the same center-of-mass energy. We find that aspects of the enhancement factors for all particles can be described by a parametrization based on the fraction of participants that undergo multiple collisions.
Published: 2012

40. Study of halo nuclei with phenomenological relativistic mean field approach

Author: W. Q. Shen, Y.H. Cai, Z.Y. Zhu, and Yinina Ma
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Wave–particle duality, Mean field theory, Nuclear Theory, Neutron, Halo, Atomic physics, Nuclear Experiment, Astrophysics::Galaxy Astrophysics
Abstract: The properties of halo nuclei are studied in the framework of the relativistic mean field approach. Single particle wave functions for last neutron configurations are obtained by using renormalized mean field potentials which reproduce experimental rms radii of halo nuclei. The extracted experimental density distributions and separation energies of loosely-bound neutrons of halo nuclei 11Li and 11Be are well described by the calculated results.
Published: 1994

41. Azimuthal di-hadron correlations ind+Au and Au + Au collisions atsNN=200GeV measured at the STAR detector

Author: J. Engelage, A. Geromitsos, Premomoy Ghosh, J. M. Landgraf, L. Kotchenda, M. Strikhanov, J. Konzer, Ki-Seok Choi, J. Sandweiss, K. Kang, P. Kurnadi, M. J. Horner, D. Thein, G. Eppley, Sergey Timoshenko, F. Liu, T. J. Humanic, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, Jorn Henning Putschke, W. Xu, Wolfgang Korsch, Z. Xu, G. Lin, N. Xu, E. P. Sichtermann, A. V. Brandin, P. Filip, W. Zhou, Zhenyu Zhang, J. Pluta, Z. J. Sun, Qian Yue, A. Szanto de Toledo, J. Kapitan, A. R. Timmins, S. M. Dogra, W. Li, J. Balewski, Rashmi Raniwala, Sergey Voloshin, M. Tokarev, S. M. Guertin, P. Pile, G. D. Westfall, Christine Nattrass, Q. Wang, Claude Andre Pruneau, Xiaofeng Zhu, A. Ogawa, H. F. Chen, Thomas A. Trainor, R. Varma, C-Q. Li, Alexandre Alarcon Do Passo Suaide, Anik Gupta, T. Pawlak, A. V. Alakhverdyants, R. P. Scharenberg, Christina Markert, M. K. Mitrovski, James Prewitt Hays-Wehle, G. Wang, T. R. Schuster, Yu A. Matulenko, Shoko Sakai, H. S. Matis, T. Ullrich, R. D. Majka, D. P. Mahapatra, B. S. Page, J. W. Harris, P. Seyboth, E. J. Garcia-Solis, T. G. Dedovich, E. Hjort, R. Zoulkarneev, Russell Richard Betts, D. P. Kikola, W. W. Jacobs, J. Sowinski, J. Lauret, T. Sakuma, A. K. Bhati, Ermes Braidot, D. Keane, T. D. S. Stanislaus, Y. F. Wu, D. G. Underwood, L. Eun, B. Stringfellow, S. C. Phatak, M. J. Skoby, Frank Jm Geurts, J. Y. Chen, Jana Bielcikova, Basanta Kumar Nandi, S. Margetis, R. F. Clarke, J. Schambach, Nikolai Smirnov, R. Stock, L. G. Efimov, R. Derradi de Souza, Anju Bhasin, Adam Ryszard Kisiel, R. P. Redwine, E. Elhalhuli, P. Sorensen, C-H. Lee, T. K. Nayak, H. H. Wieman, T. S. McShane, H. J. Crawford, R. Lednicky, T. Tarnowsky, P. Djawotho, M. Shao, J. Cheng, Peter Graham Jones, B. Biritz, X. L. Wang, C. Zhong, R. E. Tribble, Jifa Tian, M. Sharma, Xuan Zhang, L. K. Mangotra, D. Tlusty, T. P. Burton, T. J. M. Symons, Mirko Planinic, R. Fatemi, Michael Joseph Betancourt, J. L. Drachenberg, L. C. De Silva, Jing Zhou, A. Lebedev, I. Sakrejda, P. Yepes, A. Davila Leyva, Y. Panebratsev, N. G. Minaev, R. Manweiler, Hongfang Liu, K. Krueger, Jie Liu, L. Didenko, D. Grosnick, Olga Evdokimov, V. Kouchpil, M. van Leeuwen, X. Dong, S. Baumgart, Gerald W Hoffmann, I. Koralt, A. Chikanian, P. R. Pujahari, C. B. Powell, J. A. Vanfossen, Y. N. Gorbunov, S. K. Pal, Justin Stevens, L. V. Nogach, M. J. Ng, Marcelo Gameiro Munhoz, D. J. Prindle, A. H. Tang, Matthew Walker, M. J. M. Codrington, J. Alford, A. M. Poskanzer, C. A. Whitten, Feng Jin, V. N. Tram, L. H. Tarini, William Axel Leight, Yi Zhang, W. Guryn, Ross Milner, Hanna Paulina Zbroszczyk, G. Van Nieuwenhuizen, R. Corliss, Rolf K. Reed, Jay Roberts, S. H. Zhang, V. Fine, I. G. Alekseev, Donika Plyku, D. R. Beavis, S. R. Klein, N. L. Subba, A. Kechechyan, Andre Mischke, Jongmin Lee, D. L. Olson, I. Bunzarov, R. L. Ray, L. Koroleva, Yingcai Zhu, Y. J. Sun, Y. Yang, O. G. Grebenyuk, E. Sangaline, D. Arkhipkin, A. Hamed, S. J. Lindenbaum, B. E. Bonner, M. A. Lisa, V. Ghazikhanian, M. Cherney, B. Haag, D. Staszak, S. LaPointe, N. Li, J. Fedorisin, W. Christie, O. D. Tsai, M. Calderon De La Barca Sanchez, T. Ljubicic, A. Gordon, A. A. Derevschikov, M. Krus, R. Cendejas, Lokesh Kumar, Zhiming Li, S. Kabana, Xiangming Sun, W. M. Zhang, Andrey Vasiliev, A. G. Knospe, M. Elnimr, M. C. Cervantes, O. Catu, H. Caines, Sudhir Raniwala, Y. P. Viyogi, Y. Fisyak, Zebo Tang, A. Kocoloski, B. Morozov, C. Roy, K. Yip, J. S. Wang, K. Kajimoto, S. Dash, Janet Elizabeth Seger, R. R. Debbe, I. Selyuzhenkov, Vitaly Okorokov, O. I. Mall, A. M. Hoffman, J. C. Webb, Sevil Salur, Y. Wang, J. G. Cramer, M. A.C. Lamont, L-X. Han, B. Huang, Bernd Surrow, Mateusz Andrzej Ploskon, R. Witt, Z. Chajecki, B. Erazmus, Yinina Ma, L. Li, S. Mioduszewski, P. Fachini, Pawan Kumar Netrakanti, J. Seele, J. L. Romero, Donald M. McDonald, E. W. Oldag, A. Bridgeman, P. Chaloupka, B. V.K.S. Potukuchi, B. K. Srivastava, C. A. Gagliardi, M. Pachr, Xingguo Li, W. J. Llope, M. Heinz, Lee Stuart Barnby, M. Zawisza, H. M. Spinka, J. C. Dunlop, E. Finch, Jaroslav Bielcik, Neeraj Gupta, D. Cebra, Zubayer Ahammed, B. D. Anderson, M. J. LeVine, M. R. Dutta Mazumdar, S. Trentalange, O. V. Rogachevskiy, C. Perkins, Mitali Mondal, W. A. Love, J. H. Thomas, L. Xue, M. Estienne, Madan M. Aggarwal, P. Chung, Fuqiang Wang, Yong Xu, Wei Xie, J. Joseph, G. M.S. Vasconcelos, W. L. Zhan, Q. H. Xu, N. K. Pruthi, D. Kettler, Frank Simon, Y. Pandit, R. N. Singaraju, L. Huo, A. P. Meschanin, G. S. Averichev, N. Schmitz, E. Shahaliev, T. Peitzmann, R. S. Longacre, Debasish Das, Raghunath Sahoo, G. Igo, L. Ruan, J. Bouchet, K. Kauder, Andrew Rose, L. C. Bland, Bedangadas Mohanty, C. L. Jones, M. C. Suarez, D. N. Svirida, R. G. Fersch, J. Ulery, H. G. Ritter, M. Wada, R. Bellwied, I. K. Yoo, D. R. Gangadharan, E. G. Judd, Michal Sumbera, S. W. Wissink, Nikola Poljak, S. Bueltmann, Elena Bruna, Thorsten Sven Kollegger, Xiaofeng Luo, Guo-Liang Ma, S. Heppelmann, Haiyan Wang, X. Z. Cai, A. S. Hirsch, P. Kravtsov, G. Van Buren, S. S. Shi, J. B. Zhang, J. M. Nelson, D. D. Koetke, J. E. Draper, Yan Li, W. Peryt, J. Zhao, David Jonathan Hofman, H. Masui, Peter Martin Jacobs, F. Videbæk, G. Webb, J. Takahashi, S. B. Nurushev, Sukalyan Chattopadhyay, M. S. Ganti, H. Z. Huang, S. Vokal, Chitrasen Jena, Y. P. Lu, V. Perevoztchikov, J. Kiryluk, J. H. Chen, and D. A. Morozov
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Hadron, Elementary particle, Plasma, Radiation, 01 natural sciences, Charged particle, Nuclear physics, Azimuth, Deuterium, 0103 physical sciences, Atomic physics, Nuclear Experiment, 010306 general physics, STAR detector
Abstract: Yields, correlation shapes, and mean transverse momenta p(T) of charged particles associated with intermediate-to high-p(T) trigger particles (2.5 < p(T) < 10 GeV/c) in d + Au and Au + Au collisions at root s(NN) = 200 GeV are presented. For associated particles at higher p(T) greater than or similar to 2.5 GeV/c, narrow correlation peaks are seen in d + Au and Au + Au, indicating that the main production mechanism is jet fragmentation. At lower associated particle pT < 2 GeV/c, a large enhancement of the near- (Delta phi similar to 0) and away-side (Delta phi similar to pi) associated yields is found, together with a strong broadening of the away-side azimuthal distributions in Au + Au collisions compared to d + Au measurements, suggesting that other particle production mechanisms play a role. This is further supported by the observed significant softening of the away-side associated particle yield distribution at Delta phi similar to pi in central Au + Au collisions.
Published: 2010

42. Longitudinal spin transfer toΛandΛ¯hyperons in polarized proton-proton collisions ats=200 GeV

Author: B. Haag, L. K. Mangotra, R. Manweiler, Hongfang Liu, G. Eppley, Zebo Tang, Z. Chajecki, K. Yip, A. M. Poskanzer, J. C. Dunlop, J. S. Wang, H. Z. Huang, S. Vokal, C. Perkins, T. J. Humanic, J. Pluta, A. Kechechyan, Andre Mischke, Zubayer Ahammed, R. R. Debbe, D. Tlusty, Mirko Planinic, M. J. LeVine, R. S. Longacre, L. C. Bland, V. Ghazikhanian, J. Konzer, Adam Ryszard Kisiel, T. Peitzmann, H. J. Crawford, Qian Yue, M. Krus, R. Cendejas, Bedangadas Mohanty, Debasish Das, M. C. Suarez, Li Xue, J. W. Harris, J. Kiryluk, Y. N. Gorbunov, J. Ulery, H. G. Ritter, O. Barannikova, R. Bellwied, P. Kurnadi, J. L. Romero, Raghunath Sahoo, M. A.C. Lamont, Y. H. Zhu, R. Varma, James Prewitt Hays-Wehle, D. Thein, Zhenyu Zhang, Yu A. Matulenko, B. S. Page, F. Liu, D. A. Morozov, C-Q. Li, G. Igo, R. G. Fersch, R. E. Tribble, D. P. Kikola, E. Finch, Jorn Henning Putschke, P. Yepes, Z. Xu, G. Lin, B. Stringfellow, F. Benedosso, A. V. Brandin, A. H. Tang, L. Kotchenda, T. P. Burton, J. H. Chen, Gerald W Hoffmann, M. Kopytine, J. Bouchet, R. P. Scharenberg, Christina Markert, H. S. Matis, J. L. Drachenberg, M. Tokarev, Xing-Jiang Zhu, K. Kang, T. S. McShane, R. Fatemi, Michael Joseph Betancourt, Anik Gupta, H. Okada, G. Wang, R. D. Majka, Thorsten Sven Kollegger, M. Heinz, K. Krueger, W. W. Jacobs, N. Gupta, Xuan Zhang, Andrew Rose, Y. Zhao, T. G. Dedovich, Jay Roberts, E. Hjort, Y. F. Wu, E. P. Sichtermann, Lee Stuart Barnby, T. Sakuma, S. Margetis, S. Baumgart, J. A. Vanfossen, R. F. Clarke, J. Schambach, Frank Jm Geurts, S. C. Phatak, E. Elhalhuli, H. Masui, S. Heppelmann, P. Seyboth, Jifa Tian, S. Bueltmann, W. Christie, T. D. S. Stanislaus, J. Lauret, Q. H. Xu, Matthew Walker, R. Lednicky, Xiangming Sun, Guo-Liang Ma, V. Fine, E. J. Garcia-Solis, Jie Liu, W. M. Zhang, D. D. Koetke, J. E. Draper, Y. J. Sun, K. Kauder, Andrey Vasiliev, Jake Y. Chen, H. H. Wieman, Jaroslav Bielcik, P. Djawotho, I. K. Yoo, G. Van Buren, R. N. Singaraju, L. Huo, A. P. Meschanin, M. Cherney, S. Kabana, Lokesh Kumar, Hanna Paulina Zbroszczyk, I. Sakrejda, K. Kajimoto, P. Chung, Y. P. Viyogi, S. S. Shi, J. Balewski, Rashmi Raniwala, P. R. Pujahari, B. D. Anderson, Sergey Timoshenko, Wei Xie, J. Joseph, D. R. Gangadharan, E. G. Judd, Janet Elizabeth Seger, A. M. Hoffman, D. R. Beavis, R. Derradi de Souza, B. I. Abelev, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, Y. Yang, G. M.S. Vasconcelos, T. W. Ludlam, Yinina Ma, Anju Bhasin, M. R. Dutta Mazumdar, J. G. Cramer, S. LaPointe, N. Li, Mateusz Andrzej Ploskon, R. Witt, N. K. Pruthi, W. Xu, Wolfgang Korsch, A. S. Hirsch, O. V. Rogachevskiy, J. M. Nelson, Y. Pandit, M. DePhillips, R. P. Redwine, S. Mioduszewski, Claude Andre Pruneau, S. Q. Zhang, C. L. Jones, A. Gordon, D. P. Mahapatra, N. Schmitz, R. S. Hollis, I. Koralt, A. Lebedev, V. Yu Khodyrev, L. V. Nogach, Donald M. McDonald, J. Engelage, M. J. Ng, V. I. Kravtsov, T. R. Schuster, Sergey Voloshin, Christine Nattrass, J. C. Webb, E. Shahaliev, Yan Li, P. Kravtsov, W. Peryt, Michal Sumbera, R. Reed, B. K. Srivastava, A. Chikanian, M. J. Skoby, G. Van Nieuwenhuizen, A. Bridgeman, W. A. Love, O. Catu, Xuan Wang, Ross Milner, S. W. Wissink, A. Ogawa, H. F. Chen, A. Geromitsos, M. K. Mitrovski, Thomas A. Trainor, T. Ullrich, A. Kocoloski, Nikola Poljak, S. Dash, Premomoy Ghosh, J. M. Landgraf, M. Wada, W. Zhou, Haiyan Wang, W. J. Llope, M. J. M. Codrington, R. Zoulkarneev, M. Strikhanov, V. N. Tram, X. Z. Cai, Ki-Seok Choi, I. Selyuzhenkov, Vitaly Okorokov, J. Sandweiss, David Jonathan Hofman, M. Sharma, Bernd Surrow, J. Sowinski, Peter Martin Jacobs, M. Calderón De Labarcasánchez, J. Takahashi, S. B. Nurushev, O. I. Mall, L. Eun, L-X. Han, Pawan Kumar Netrakanti, J. Seele, C. A. Gagliardi, J. H. Thomas, B. V.K.S. Potukuchi, F. Videbæk, M. Pachr, Y. Fisyak, D. Arkhipkin, G. Webb, A. Hamed, Madan M. Aggarwal, Fuqiang Wang, J. M. Rehberg, X. L. Wang, D. Kettler, Yong Xu, N. G. Minaev, G. S. Averichev, Sukalyan Chattopadhyay, A. Iordanova, C. Zhong, M. S. Ganti, W. L. Zhan, Frank Simon, L. H. Tarini, P. Pile, X. Dong, Chitrasen Jena, N. Xu, P. Filip, Y. P. Lu, I. Bnzarov, V. Perevoztchikov, S. K. Pal, Justin Stevens, Z. J. Sun, S. Sakai, G. D. Westfall, Basanta Kumar Nandi, Petr Jákl, T. Tarnowsky, B. Biritz, Jongmin Lee, R. L. Ray, X. Li, Elena Bruna, C. Roy, D. Staszak, T. Ljubicic, M. Zawisza, H. M. Spinka, C. A. Whitten, Feng Jin, A. Szanto de Toledo, J. Kapitan, L. C. DeSilva, R. Corliss, H. Caines, Sudhir Raniwala, P. Chaloupka, A. R. Timmins, S. M. Dogra, S. J. Lindenbaum, T. Pawlak, A. V. Alakhverdyants, Russell Richard Betts, D. G. Underwood, Lijuan Ruan, P. Fachini, M. Shao, William Axel Leight, S. R. Klein, N. L. Subba, D. L. Olson, T. J. Hallman, J. Cheng, T. J. M. Symons, A. A. Derevschikov, Jana Bielcikova, B. Grube, P. Sorensen, Peter Graham Jones, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, Zhibing Li, W. Guryn, L. Didenko, O. G. Grebenyuk, J. Fedorisin, A. G. Knospe, Q. Wang, M. J. Russcher, Jing Zhou, B. Erazmus, D. Cebra, S. Trentalange, M. Estienne, Marcelo Gameiro Munhoz, D. J. Prindle, Donika Plyku, M. A. Lisa, E. Braidot, A. K. Bhati, D. Keane, Nikolai Smirnov, R. Stock, L. G. Efimov, C-H. Lee, T. K. Nayak, Y. Panebratsev, D. Grosnick, V. Kouchpil, Yi Zhang, B. E. Bonner, O. D. Tsai, M. Elnimr, M. C. Cervantes, Sevil Salur, and Y. Wang
Subjects: Physics, Nuclear and High Energy Physics, Proton, 010308 nuclear & particles physics, Nuclear Theory, Hadron, Lambda, Lambda baryon, 7. Clean energy, 01 natural sciences, Nuclear physics, Baryon, Pseudorapidity, 0103 physical sciences, Physics::Accelerator Physics, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, STAR detector
Abstract: The longitudinal spin transfer, D(LL), from high energy polarized protons to Lambda and Lambda hyperons has been measured for the first time in proton-proton collisions at s=200 GeV with the STAR detector at the Relativistic Heavy Ion Collider. The measurements cover pseudorapidity, eta, in the range |eta| >=0.5 and >=3.7 GeV/c. The dependence on eta and p(T) is presented.
Published: 2009

43. Azimuthal charged-particle correlations and possible local strong parity violation

Author: B. Erazmus, Neeraj Gupta, D. Cebra, S. Trentalange, M. Estienne, Marcelo Gameiro Munhoz, D. J. Prindle, H. Bichsel, Y. Zoulkarneeva, Donika Plyku, Q. Wang, M. J. Russcher, M. A. Lisa, Jing Zhou, L. Kotchenda, A. Ridiger, T. Sakuma, S. Heppelmann, K. Yip, J. S. Wang, D. D. Koetke, Guo-Liang Ma, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, Yannis K. Semertzidis, P. Filip, Sergei A. Voloshin, E. Shahaliev, G. Lin, G. Wang, P. Seyboth, E. J. Garcia-Solis, D. P. Mahapatra, J. C. Webb, R. S. Hollis, S. Sakai, Jorn Henning Putschke, A. V. Brandin, P. Pile, Anik Gupta, P. Kravtsov, H. Okada, S. Vokal, G. Eppley, R. Derradi de Souza, B. I. Abelev, Petr Jákl, J. E. Draper, M. J. Skoby, Frank Jm Geurts, D. G. Underwood, J. Pluta, E. Elhalhuli, G. Van Buren, S. S. Shi, Jifa Tian, Jianping Cheng, D. Thein, J. Sowinski, Christine Nattrass, K. Kang, C-Q. Li, M. J. M. Codrington, B. E. Bonner, O. D. Tsai, S. Bueltmann, T. W. Ludlam, J. M. Nelson, Yan Li, J. Kiryluk, N. Schmitz, W. J. Llope, B. Grube, P. Chung, R. E. Tribble, E. G. Judd, M. Kopytine, I. Sakrejda, M. Sharma, J. G. Cramer, M. Elnimr, M. C. Cervantes, J. Sandweiss, Subhasis Chattopadhyay, R. P. Scharenberg, H. S. Matis, H. M. Spinka, B. Haag, Jing-Han Chen, W. Peryt, W. Guryn, Elena Bruna, J. Joseph, Gerald W Hoffmann, G. M.S. Vasconcelos, J. X. Zuo, D. A. Morozov, Xiang Sun, Z. J. Sun, Y. Pandit, Zebo Tang, J. Engelage, P. R. Pujahari, Xuan Zhang, Jie Liu, R. Lednicky, O. G. Grebenyuk, T. D. S. Stanislaus, P. Djawotho, L. G. Efimov, L. H. Tarini, F. Videbæk, V. Ghazikhanian, Z. Chajecki, C. A. Whitten, Feng Jin, Hanna Paulina Zbroszczyk, T. P. Burton, Sevil Salur, Y. Wang, G. Webb, A. Geromitsos, H. H. Wieman, Y. Yang, J. Fedorisin, D. R. Beavis, Premomoy Ghosh, F. Liu, A. Bridgeman, T. S. McShane, Haiyan Wang, T. Ullrich, R. Corliss, Zhongbin Xu, Y. Panebratsev, D. Grosnick, A. G. Knospe, L. K. Mangotra, V. Kouchpil, I. K. Yoo, Jana Bielcikova, L. V. Nogach, Y. Fisyak, M. S. Ganti, C. Perkins, X. Z. Cai, S. J. Lindenbaum, A. Ogawa, S. Baumgart, S. LaPointe, N. Li, D. Tlusty, A. Gordon, R. Manweiler, Mirko Planinic, T. Peitzmann, Yi Zhang, J. Konzer, B. D. Anderson, E. Finch, O. I. Mall, W. Christie, Matthew Walker, Rolf K. Reed, Chitrasen Jena, H. Caines, A. Szanto de Toledo, J. Kapitan, Ki-Seok Choi, N. K. Pruthi, A. R. Timmins, D. R. Gangadharan, S. M. Dogra, David Jonathan Hofman, William Jacobs, Y. N. Gorbunov, Christina Markert, Y. P. Lu, V. Perevoztchikov, E. Hjort, Y. F. Wu, H. Masui, Y. J. Sun, B. V.K.S. Potukuchi, Yinina Ma, A. Hirsch, M. Calderón De La BarcaSánchez, A. Kechechyan, Andre Mischke, T. Pawlak, I. Bnzarov, Thomas Humanic, J. M. Landgraf, Peter Martin Jacobs, Bedangadas Mohanty, S. Kabana, J. Takahashi, A. K. Bhati, D. Keane, A. V. Alakhverdyants, M. Krus, R. Cendejas, Nikolai Smirnov, Sergey Timoshenko, J. Lauret, X. R. Wang, Y. P. Viyogi, B. Srivastava, P. Fachini, C-H. Lee, T. K. Nayak, Russell Richard Betts, K. S.F.F. Guimaraes, Wolfgang Korsch, B. Stringfellow, Jongmin Lee, Lijuan Ruan, V. Dzhordzhadze, R. L. Ray, M. Wada, Gary Westfall, Xiaofeng Zhu, Qian Yue, M. DePhillips, J. W. Harris, S. B. Nurushev, M. Shao, Michal Sumbera, Hank Crawford, R. Varma, D. Staszak, T. J. Hallman, T. Ljubicic, T. J. M. Symons, Yu A. Matulenko, B. S. Page, P. Sorensen, X. H. Shi, S. W. Wissink, D. P. Kikola, L. C. De Silva, P. Yepes, Peter Graham Jones, Sudhir Raniwala, K. Kajimoto, Nikola Poljak, Saskia Mioduszewski, A. Lebedev, O. Catu, J. Schambach, S. Dash, N. G. Minaev, Anju Bhasin, L. Didenko, R. P. Redwine, X. L. Wang, J. Seele, C. Zhong, S. Q. Zhang, R. S. Longacre, X. Dong, Ross Milner, E. P. Sichtermann, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, Hengchang Liu, M. Zawisza, R. D. Majka, William Axel Leight, R. Zoulkarneev, A. M. Poskanzer, R. F. Clarke, L. Eun, W. M. Zhang, Andrey Vasiliev, Nu Xu, A. M. Hoffman, S. R. Klein, N. L. Subba, D. L. Olson, J. H. Thomas, A. A. Derevschikov, D. Kettler, G. S. Averichev, R. Fatemi, Michael Joseph Betancourt, H. G. Ritter, K. Krueger, J. L. Drachenberg, J. A. Vanfossen, M. Strikhanov, J. L. Romero, A. Feng, M. Cherney, Thomas Michael Cormier, Lokesh Kumar, Jay Roberts, A. H. Tang, Mikhail Tokarev, Ermes Braidot, J. C. Dunlop, Madan M. Aggarwal, Adam Ryszard Kisiel, Fuqiang Wang, Zubayer Ahammed, M. J. LeVine, Yong Xu, W. L. Zhan, Frank Simon, Mateusz Andrzej Ploskon, R. Witt, M. Heinz, Lee Stuart Barnby, Jaroslav Bielcik, V. Yu Khodyrev, Subrata Pal, Donald M. McDonald, M. R. Dutta Mazumdar, O. V. Rogachevskiy, W. Xie, W. A. Love, I. Selyuzhenkov, Bernd Surrow, Pawan Kumar Netrakanti, G. Odyniec, C. A. Gagliardi, M. Pachr, Q. H. Xu, R. N. Singaraju, L. Huo, A. P. Meschanin, Debasish Das, Raghunath Sahoo, M. A.C. Lamont, G. Igo, J. Bouchet, K. Kauder, Andrew Rose, Y. Zhao, Basanta Kumar Nandi, T. Tarnowsky, B. Biritz, V. A. Okorokov, A. Chikanian, V. N. Tram, V. Fine, Jake Y. Chen, D. Arkhipkin, A. Hamed, I. Koralt, M. J. Ng, V. I. Kravtsov, G. Van Nieuwenhuizen, P. Kurnadi, A. Iordanova, Zhenyu Zhang, M. R. Cosentino, F. Benedosso, C. Roy, T. G. Dedovich, S. C. Phatak, P. Chaloupka, S. Margetis, H. F. Chen, J. Seger, M. S. Daugherity, L. C. Bland, L. Liu, C. L. Jones, M. C. Suarez, A. Kocoloski, J. Ulery, H. Z. Huang, O. Barannikova, and R. Bellwied
Subjects: Quark, Particle physics, QCD vacuum, Hadron, General Physics and Astronomy, FOS: Physical sciences, 01 natural sciences, Nuclear physics, 0103 physical sciences, Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, Nuclear Collisions, parity violation, Physics, Quantum chromodynamics, 010308 nuclear & particles physics, Heavy-Ion Collisions, Observable, Fermion, NATURAL SCIENCES. Physics, Charged particle, PRIRODNE ZNANOSTI. Fizika, Hot Qcd, High Energy Physics::Experiment, charged hadrons, STAR detector
Abstract: Parity-odd domains, corresponding to non-trivial topological solutions of the QCD vacuum, might be created during relativistic heavy ion collisions. These domains are predicted to lead to charge separation of quarks along the system's orbital momentum axis. We investigate a three particle azimuthal correlator which is a \P even observable, but directly sensitive to the charge separation effect. We report measurements of charged hadrons near center-of-mass rapidity with this observable in Au+Au and Cu+Cu collisions at $\sqrt{s_{NN}}$=200 GeV using the STAR detector. A signal consistent with several expectations from the theory is detected. We discuss possible contributions from other effects that are not related to parity violation., Comment: version as published in Physical Review Letters. Figure 3 from earlier versions has been removed to add room for new Figure 1
Published: 2009

44. Observation of Two-Source Interference in the Photoproduction Reaction AuAu -> AuAu rho(0)

Author: R. P. Redwine, Raimond Snellings, Xiangming Sun, C. Li, B. Erazmus, S. Q. Zhang, A. Lebedev, B. D. Anderson, N. K. Pruthi, Guo-Liang Ma, J. Ulery, G. Eppley, B. Haag, J. Pluta, I. Selyuzhenkov, M. Botje, M. Pachr, Vitaly Okorokov, R. E. Tribble, A. Szanto de Toledo, Gerald W Hoffmann, M. Calderon De La Barca Sanchez, H. G. Ritter, D. Tlusty, Mirko Planinic, Ross Milner, Neeraj Gupta, D. Cebra, J. Engelage, Y. Fisyak, J. Kapitan, A. Chikanian, S. M. Dogra, Zebo Tang, V. N. Tram, C. Nepali, L. Kotchenda, O. Catu, S. Trentalange, Jorn Henning Putschke, O. Barannikova, R. Bellwied, V. Fine, L. Gaillard, A. S. Hirsch, J. C. Webb, L. K. Mangotra, T. Pawlak, A. Kocoloski, M. Estienne, H. Z. Huang, S. Vokal, N. Xu, P. Filip, A. V. Brandin, Bernd Surrow, E. P. Sichtermann, H. Okada, L. C. Bland, A. M. Vander Molen, S. Dash, Z. Chajecki, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, R. Manweiler, R. Witt, R. Fatemi, Michael Joseph Betancourt, E. Hjort, Hongfang Liu, B. Grube, M. DePhillips, Michal Sumbera, K. Krueger, D. Arkhipkin, A. Hamed, P. Kravtsov, Sergey Voloshin, Christine Nattrass, Y. Bai, Y. N. Gorbunov, C. Perkins, A. M. Poskanzer, G. D. Westfall, David Jonathan Hofman, Pawan Kumar Netrakanti, J. W. Harris, L. Liu, C. L. Jones, S. Mioduszewski, Premomoy Ghosh, J. M. Landgraf, David Lynn, Q. Wang, M. J. Russcher, J. H. Thomas, D. Kettler, M. Strikhanov, J. A. Vanfossen, J. Balewski, A. Iordanova, S. E. Vigdor, Christian Claude Kuhn, M. C. Suarez, Sergey Timoshenko, S. W. Wissink, Rashmi Raniwala, Claude Andre Pruneau, F. Liu, Petr Jákl, J. Sowinski, Y. Zhang, V. Yu Khodyrev, T. Peitzmann, A. Kechechyan, Andre Mischke, C. A. Gagliardi, J. Kiryluk, C. Roy, Nikola Poljak, Ki-Seok Choi, Z. Xu, G. Lin, G. S. Averichev, W. Guryn, T. Ullrich, J. Callner, Anthony R. Timmins, R. N. Singaraju, B. K. Srivastava, A. Stadnik, Peter Martin Jacobs, J. Sandweiss, I. M. Vasilevski, S. Bueltmann, Anik Gupta, M. Krus, R. Cendejas, A. P. Meschanin, W. He, O. G. Grebenyuk, R. Zoulkarneev, S. M. Guertin, D. A. Morozov, P. Yepes, V. Emelianov, A. K. Bhati, M. Heinz, Lee Stuart Barnby, D. Keane, M. Cherney, J. Fedorisin, Alexandre Alarcon Do Passo Suaide, D. Thein, Thomas Michael Cormier, A. H. Tang, H. Zhang, Jaroslav Bielcik, Jing Zhou, M. J. Skoby, K. Kajimoto, J. Baudot, W. Zhan, L. Eun, Lokesh Kumar, A. G. Knospe, E. Elhalhuli, R. D. Majka, C. De Silva, A. Ridiger, D. P. Mahapatra, Wei Xie, S. Bhardwaj, Nikolai Smirnov, M. S. Daugherity, M. Sarsour, Russell Richard Betts, R. L. Ray, R. S. Hollis, Jifa Tian, J. Takahashi, Xuan Wang, J. Joseph, Boris Hippolyte, J. Y. Chen, I. Sakrejda, A. Ogawa, J. L. Drachenberg, S. Margetis, R. F. Clarke, J. Schambach, J. Mitchell, K. Kang, L. G. Efimov, Elena Bruna, M. R. Dutta Mazumdar, D. G. Underwood, T. P. Burton, D. Staszak, G. M.S. Vasconcelos, M. Kopytine, S. Heppelmann, H. F. Chen, Thomas A. Trainor, W. R. Edwards, S. U. Chung, I. K. Yoo, S. S. Shi, Marcelo Gameiro Munhoz, D. J. Prindle, O. V. Rogachevskiy, S. B. Nurushev, W. Christie, Lijuan Ruan, M. Tokarev, T. Ljubicic, W. T. Waggoner, P. Chaloupka, R. S. Longacre, Y. Pandit, C-H. Lee, T. K. Nayak, M. Sharma, J. X. Zuo, W. M. Zhang, Andrey Vasiliev, H. Caines, Sudhir Raniwala, N. Schmitz, R. P. Scharenberg, Christina Markert, M. Zawisza, H. M. Spinka, A. Feng, M. Shao, D. D. Koetke, W. A. Love, E. Shahaliev, H. S. Matis, F. Du, Debasish Das, Raghunath Sahoo, D. R. Gangadharan, N. G. Minaev, T. J. Hallman, J. Cheng, T. J. M. Symons, Jay Roberts, Janet Elizabeth Seger, J. E. Draper, A. M. Hoffman, E. G. Judd, M. A.C. Lamont, V. Rykov, L. V. Nogach, G. Igo, V. Ghazikhanian, T. D. S. Stanislaus, W. W. Jacobs, M. A. Lisa, M. J. Ng, Y. Panebratsev, D. Grosnick, V. Kouchpil, V. I. Kravtsov, Yuanfang Wu, X. L. Wang, J. Bouchet, S. LaPointe, N. Li, J. P. Coffin, C. Zhong, J. Lauret, F. Videbæk, Bedangadas Mohanty, H. H. Wieman, P. Kurnadi, Marek Bombara, A. Gordon, R. Lednicky, P. Djawotho, Yinina Ma, M. van Leeuwen, X. Dong, Madan M. Aggarwal, Sukalyan Chattopadhyay, Fuqiang Wang, Zhenyu Zhang, M. R. Cosentino, J. L. Romero, S. K. Pal, Basanta Kumar Nandi, C. A. Whitten, Feng Jin, Andrew Rose, M. S. Ganti, Rolf K. Reed, B. Biritz, M. Wada, Y. Zhao, J. H. Chen, M. Bystersky, R. Corliss, Ermes Braidot, J. S. Wang, Yong Xu, Morton Kaplan, F. Benedosso, B. E. Bonner, X. Z. Cai, O. D. Tsai, J. C. Dunlop, E. Finch, S. J. Lindenbaum, Adam Ryszard Kisiel, M. Elnimr, M. C. Cervantes, Y. P. Lu, V. Perevoztchikov, G. Van Buren, H. J. Crawford, Zubayer Ahammed, M. J. LeVine, P. Fachini, K. S.F.F. Guimaraes, T. G. Dedovich, T. W. Ludlam, J. M. Nelson, Frank Simon, T. Sakuma, William Axel Leight, S. C. Phatak, Sevil Salur, Y. Wang, Yan Li, W. Peryt, G. Wang, S. R. Klein, T. Tarnowsky, N. L. Subba, P. Seyboth, E. J. Garcia-Solis, D. L. Olson, R. Derradi de Souza, B. I. Abelev, A. A. Derevschikov, A. L. Trattner, M. J. M. Codrington, Jana Bielcikova, A. Shabetai, J. G. Cramer, P. Sorensen, X. H. Shi, Q. H. Xu, Z. J. Sun, Peter Graham Jones, L. Didenko, T. S. McShane, S. Baumgart, Matthew Walker, Y. J. Sun, S. Kabana, Y. P. Viyogi, T. J. Humanic, O. I. Mall, Qian Yue, R. Varma, Yu A. Matulenko, B. S. Page, D. P. Kikola, B. Stringfellow, B. V.K.S. Potukuchi, W. J. Llope, Jie Liu, Hanna Paulina Zbroszczyk, D. R. Beavis, and Anju Bhasin
Subjects: Particle physics, Photon, Quantum decoherence, Nuclear Theory, General Physics and Astronomy, 01 natural sciences, Nuclear physics, Pion, 0103 physical sciences, Colliders, 010306 general physics, Wave function, Nuclear Experiment, Physics, 010308 nuclear & particles physics, Heavy-Ion Collisions, NATURAL SCIENCES. Physics, PRIRODNE ZNANOSTI. Fizika, Amplitude, Time Projection Chamber, High Energy Physics::Experiment, Impact parameter, Wave function collapse, Nucleon, ultra-peripheral relativistic heavy-ion collisions
Abstract: In ultra-peripheral relativistic heavy-ion collisions, a photon from the electromagnetic field of one nucleus can fluctuate to a quark-antiquark pair and scatter from the other nucleus, emerging as a $\rho^0$. The $\rho^0$ production occurs in two well-separated (median impact parameters of 20 and 40 fermi for the cases considered here) nuclei, so the system forms a 2-source interferometer. At low transverse momenta, the two amplitudes interfere destructively, suppressing $\rho^0$ production. Since the $\rho^0$ decay before the production amplitudes from the two sources can overlap, the two-pion system can only be described with an entangled non-local wave function, and is thus an example of the Einstein-Podolsky-Rosen paradox. We observe this suppression in 200 GeV per nucleon-pair gold-gold collisions. The interference is $87% \pm 5% {; ; \rm (stat.)}; ; \pm 8%$ (syst.) of the expected level. This translates into a limit on decoherence due to wave function collapse or other factors, of 23% at the 90% confidence level.
Published: 2009

45. Hadronic resonance production ind+Aucollisions atsNN=200GeV measured at the BNL Relativistic Heavy Ion Collider

Author: L. K. Mangotra, M. S. Ganti, Bruna, R. Manweiler, Hongfang Liu, G. Van Buren, Y. P. Lu, A. M. Poskanzer, J. L. Drachenberg, M. Zawisza, H. M. Spinka, V. Perevoztchikov, C. A. Whitten, Feng Jin, C. Roy, T. W. Ludlam, J. M. Nelson, R. Fatemi, Yan Li, N. Gupta, A. Feng, W. Peryt, K. Krueger, A. Kechechyan, Andre Mischke, J. A. Vanfossen, Jay Roberts, S. J. Lindenbaum, W. J. Llope, B. Erazmus, M. Calderon De La Barca Sanchez, O. Catu, V. Ghazikhanian, Raimond Snellings, Xiangming Sun, F. Liu, Y. Panebratsev, C. De Silva, M. S. Daugherity, J. H. Thomas, M. DePhillips, D. Grosnick, B. V.K.S. Potukuchi, V. Kouchpil, S. Chattopdhyay, Jie Liu, M. Krus, R. Cendejas, D. Thein, G. Wang, J. Callner, Kyungeon Choi, A. Szanto Detoledo, Hanna Paulina Zbroszczyk, D. R. Beavis, A. Kocoloski, Michal Sumbera, T. P. Burton, L. Kotchenda, S. Hepplemann, W. He, P. Chaloupka, M. L. Miller, M. Cherney, Thomas Michael Cormier, B. Haag, D. Cebra, S. Trentalange, Zebo Tang, S. Dash, Marek Bombara, J. G. Cramer, J. L. Romero, M. Estienne, B. Grube, Y. Bai, S. W. Wissink, Y. Zhang, M. Kopytine, M. Tokarev, R. D. Majka, Lokesh Kumar, M. Sarsour, P. Seyboth, E. J. Garcia-Solis, C-Q. Li, Guo-Liang Ma, Morton Kaplan, X. Z. Cai, Nikola Poljak, E. P. Sichtermann, H. Bichsel, J. Ulery, J. Y. Chen, G. Odyniec, Y. Zoulkarneeva, S. Margetis, R. F. Clarke, J. Schambach, A. S. Hirsch, M. Sharma, Anju Bhasin, S. M. Guertin, Jana Bielcikova, Alexandre Alarcon Do Passo Suaide, David Lynn, R. P. Scharenberg, Christina Markert, H. G. Ritter, R. S. Longacre, R. Witt, J. C. Webb, R. Derradi de Souza, B. I. Abelev, O. Barannikova, R. Bellwied, P. Kravtsov, B. D. Anderson, Q. Wang, S. Mioduszewski, E. Finch, Bedangadas Mohanty, Z. Chajecki, W. Guryn, T. D. S. Stanislaus, J. Balewski, R. Reed, M. J. Russcher, B. E. Bonner, N. G. Minaev, D. P. Mahapatra, P. Djawotho, Yuanfang Wu, David Jonathan Hofman, L. Gaillard, V. Yu Khodyrev, Debasish Das, Raghunath Sahoo, M. A.C. Lamont, H. H. Wieman, O. D. Tsai, R. S. Hollis, P. Sorensen, H. S. Matis, X. H. Shi, Rashmi Raniwala, N. K. Pruthi, Peter Graham Jones, J. Sowinski, O. G. Grebenyuk, M. I. Mall, M. Elnimr, M. C. Cervantes, A. Stadnik, T. S. McShane, B. K. Srivastava, I. M. Vasilevski, L. C. Bland, W. W. Jacobs, Basanta Kumar Nandi, G. Igo, J. H. Chen, M. J. M. Codrington, Claude Andre Pruneau, M. Bystersky, J. Fedorisin, A. M. Vander Molen, N. Xu, P. Filip, Peter Martin Jacobs, J. Bouchet, Jing Zhou, L. Didenko, J. Lauret, G. Eppley, C. Perkins, S. U. Chung, S. Q. Zhang, A. Lebedev, A. G. Knospe, Tlusty, S. Bhardwaj, B. Biritz, Boris Hippolyte, G. D. Westfall, Adam Ryszard Kisiel, J. Millane, J. W. Harris, Marcelo Gameiro Munhoz, D. J. Prindle, T. Peitzmann, V. A. Okorokov, S. R. Klein, T. Tarnowsky, N. L. Subba, D. R. Gangaharan, L. Liu, J. Takahashi, S. Baumgart, I. K. Yoo, Z. Xu, G. Lin, J. C. Dunlop, H. J. Crawford, D. L. Olson, J. Pluta, M. C. Suarez, R. Lednicky, Andrew Rose, Y. Zhao, S. B. Nurushev, Petr Jákl, M. A. Lisa, Anik Gupta, Yinina Ma, Zubayer Ahammed, A. A. Derevschikov, A. L. Trattner, Anthony R. Timmins, Y. Fisyak, E. Braidot, T. Ullrich, P. Yepes, A. Chikanian, M. J. Skoby, M. J. LeVine, V. N. Tram, Sevil Salur, Y. Wang, E. G. Judd, J. Kapitan, M. Botje, S. Bueltmann, A. H. Tang, E. Elhalhuli, S. M. Dogra, Sergey Voloshin, Christine Nattrass, D. K. Mishra, R. N. Singaraju, Jifa Tian, M. Pachr, P. Fachini, A. P. Meschanin, Sergey Timoshenko, R. E. Tribble, Y. J. Sun, T. Pawlak, K. S.F.F. Guimaraes, D. Arkhipkin, A. Hamed, W. T. Waggoner, Gerald W Hoffmann, A. Shabetai, R. Zoulkarneev, X. Lin, A. Iordanova, S. Kabana, Y. P. Viyogi, Q. H. Xu, Z. J. Sun, V. Emelianov, A. K. Bhati, J. Baudot, W. Zhan, M. Wada, Russell Richard Betts, J. Joseph, T. J. Humanic, D. Keane, L. Eun, Nikolai Smirnov, G. M.S. Vasconcelos, D. G. Underwood, J. Mitchell, L. G. Efimov, Lijuan Ruan, Y. Pandit, Qian Yue, N. Schmitz, C-H. Lee, T. K. Nayak, E. Shahaliev, R. L. Ray, M. Shao, R. Varma, D. Staszak, Yu A. Matulenko, B. S. Page, T. J. Hallman, J. Cheng, T. J. M. Symons, Xuan Wang, A. Ogawa, B. Stringfellow, H. F. Chen, T. Ljubicic, Thomas A. Trainor, W. R. Edwards, W. Christie, H. Caines, Sudhir Raniwala, Mirko Planinic, W. M. Zhang, Y. N. Gorbunov, Andrey Vasiliev, X. L. Wang, K. Kajimoto, C. Zhong, Janet Elizabeth Seger, A. M. Hoffman, M. van Leeuwen, X. Dong, S. K. Pal, A. Ridiger, D. D. Koetke, J. E. Draper, D. Kettler, G. S. Averichev, J. P. Coffin, H. Z. Huang, S. Vokal, K. Kang, J. Kiryluk, D. A. Morozov, J. Engelage, Premomoy Ghosh, J. M. Landgraf, M. Strikhanov, J. Sandweiss, C. Nepali, Jorn Henning Putschke, A. V. Brandin, H. Okada, S. E. Vigdor, Christian Claude Kuhn, H. Zhang, I. Sakrejda, J. X. Zuo, M. Heinz, Lee Stuart Barnby, Jaroslav Bielcik, S. LaPointe, M. R. Dutta Mazumdar, O. V. Rogachevskiy, W. A. Love, A. Gordon, I. Selyuzhenkov, Bernd Surrow, J. S. Wang, Pawan Kumar Netrakanti, C. A. Gagliardi, Madan M. Aggarwal, Fuqiang Wang, Yong Xu, Frank Simon, S. S. Shi, F. Du, V. Rykov, L. V. Nogach, M. J. Ng, V. I. Kravtsov, V. Fine, P. Kurnadi, Zhenyu Zhang, M. R. Cosentino, F. Benedosso, T. G. Dedovich, T. Sakuma, S. C. Phatak, and F. Videbæk
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Star (game theory), Hadron, Resonance, Lambda, 01 natural sciences, 7. Clean energy, Spectral line, Nuclear physics, 0103 physical sciences, Transverse mass, Production (computer science), Atomic physics, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract: We present the first measurements of the {rho}(770){sup 0}, K*(892), {Delta}(1232){sup ++}, {Sigma}(1385), and {Lambda}(1520) resonances in d+Au collisions at {radical}s{sub NN} = 200 GeV, reconstructed via their hadronic decay channels using the STAR detector at RHIC. The masses and widths of these resonances are studied as a function of transverse momentum (p{sub T}). We observe that the resonance spectra follow a generalized scaling law with the transverse mass (m{sub T}). The of resonances in minimum bias collisions is compared to the of {pi}, K, and {bar p}. The {rho}{sup 0}/{pi}{sup -}, K*/K{sup -}, {Delta}{sup ++}/p, {Sigma}(1385)/{Lambda}, and {Lambda}(1520)/{Lambda} ratios in d + Au collisions are compared to the measurements in minimum bias p + p interactions, where we observe that both measurements are comparable. The nuclear modification factors (R{sub dAu}) of the {rho}{sup 0}, K*, and {Sigma}* scale with the number of binary collisions (N{sub bin}) for p{sub T} > 1.2 GeV/c.
Published: 2008

46. Longitudinal Double-Spin Asymmetry for Inclusive Jet Production inp→+p→Collisions ats=200 GeV

Author: A. Ridiger, Thorsten Sven Kollegger, Y. Panebratsev, R. S. Longacre, D. Grosnick, V. Kouchpil, M. Wada, C. A. Whitten, S. Heppelmann, Debasish Das, Raghunath Sahoo, L. Martin, M. A.C. Lamont, A. Bellingeri-Laurikainen, G. Igo, S. Lange, D. D. Koetke, Jana Bielcikova, J. E. Draper, S. J. Lindenbaum, J. Bouchet, H. Bichsel, G. Odyniec, J. Millane, Y. Zoulkarneeva, M. Potekhin, Andrew Rose, Y. Zhao, E. M. Kislov, J. G. Cramer, M. Heinz, Lee Stuart Barnby, J. P. Coffin, B. Grube, L. Kotchenda, David Lynn, M. J. Russcher, Jaroslav Bielcik, C. Roy, M. R. Dutta Mazumdar, O. V. Rogachevskiy, N. G. Minaev, V. Emelianov, A. K. Bhati, D. Keane, O. G. Grebenyuk, V. B. Dunin, N. Xu, P. Filip, Nikolai Smirnov, Jie Liu, R. Stock, G. D. Westfall, J. Mitchell, L. G. Efimov, R. N. Singaraju, A. P. Meschanin, J. Fedorisin, Petr Jákl, W. A. Love, H. Z. Huang, S. Vokal, J. G. Ma, Jing Zhou, C-H. Lee, T. K. Nayak, R. Fatemi, A. G. Knospe, Raimond Snellings, B. E. Bonner, Manish Sharma, G. Wang, L. K. Mangotra, Vitaly Okorokov, O. D. Tsai, Russell Richard Betts, K. Krueger, Bernd Surrow, D. G. Underwood, S. M. Guertin, J. Kiryluk, Bedangadas Mohanty, M. C. Cervantes, Lijuan Ruan, T. J. Humanic, Alexandre Alarcon Do Passo Suaide, Sergey Timoshenko, R. Manweiler, B. Erazmus, W. J. Llope, Sergey Voloshin, Christine Nattrass, D. A. Morozov, P. Seyboth, Pawan Kumar Netrakanti, N. T. Porile, E. J. Garcia-Solis, Xiangming Sun, Qian Yue, M. Shao, A. M. Poskanzer, D. P. Mahapatra, R. S. Hollis, H. Gos, T. J. Hallman, C. A. Gagliardi, J. Cheng, D. Cebra, N. van der Kolk, P. Chaloupka, J. Callner, R. Varma, S. Trentalange, T. J. M. Symons, M. Estienne, David Jonathan Hofman, S. R. Klein, T. Tarnowsky, N. L. Subba, Yu A. Matulenko, K. Kang, W. Christie, A. Kechechyan, Andre Mischke, Sevil Salur, Y. Wang, W. He, D. L. Olson, Madan M. Aggarwal, A. I. Kulikov, B. I. Abelev, J. Baudot, W. Zhan, Fuqiang Wang, J. H. Chen, B. Stringfellow, S. U. Chung, J. Takahashi, T. S. McShane, M. Bystersky, J. Speltz, Marcelo Gameiro Munhoz, D. J. Prindle, M. Cherney, W. M. Zhang, A. Stadnik, Thomas Michael Cormier, Andrey Vasiliev, M. J. Horner, T. P. Burton, Wen-Qing Shen, A. A. Derevschikov, Peter Martin Jacobs, F. Laue, A. Szanto de Toledo, M. DePhillips, Sukalyan Chattopadhyay, V. I. Yurevich, J. Kapitan, S. Baumgart, R. Witt, S. M. Dogra, Michal Sumbera, Yuanfang Wu, P. Djawotho, Y. Lu, A. Ogawa, H. F. Chen, T. W. Henry, Frank Simon, S. Mioduszewski, T. Pawlak, Janet Elizabeth Seger, A. M. Hoffman, Thomas A. Trainor, W. R. Edwards, S. B. Nurushev, A. N. Zubarev, M. Kopytine, J. Fu, V. Yu Khodyrev, M. S. Ganti, M. Tokarev, Y. Bai, M. A. Lisa, X. Lin, B. D. Anderson, M. Sarsour, S. W. Wissink, Basanta Kumar Nandi, S. Kabana, Y. P. Viyogi, M. J. M. Codrington, A. I. Pavlinov, T. Dietel, I. Selyuzhenkov, J. W. Harris, P. Fachini, B. V.K.S. Potukuchi, F. Liu, B. K. Srivastava, Y. Zhang, I. M. Vasilevski, Mirko Planinic, G. Van Buren, K. S.F.F. Guimaraes, Nikola Poljak, N. K. Pruthi, T. D. S. Stanislaus, N. Schmitz, Yinina Ma, R. D. Majka, T. W. Ludlam, S. Bhardwaj, Boris Hippolyte, J. M. Nelson, J. Y. Chen, V. V. Belaga, Anthony R. Timmins, Y. N. Gorbunov, H. H. Wieman, J. Engelage, H. Liu, A. Chikanian, M. J. Skoby, J. C. Dunlop, V. N. Tram, S. Margetis, R. F. Clarke, J. Schambach, P. Yepes, Yan Li, P. Sorensen, Anju Bhasin, G. Eppley, Zubayer Ahammed, W. Peryt, Peter Graham Jones, Renaud Vernet, A. H. Tang, C-Q. Li, E. Shahaliev, M. J. LeVine, A. Lebedev, M. M. de Moura, M. Botje, J. Pluta, I. K. Yoo, V. Perevoztchikov, E. W. Hughes, L. Didenko, Premomoy Ghosh, K. L. Kowalik, D. Arkhipkin, A. Hamed, R. P. Scharenberg, Christina Markert, Morton Kaplan, X. Z. Cai, H. S. Matis, A. Iordanova, Y. Fisyak, A. M. Vander Molen, E. G. Judd, J. M. Landgraf, J. L. Drachenberg, M. Calderon De La Barca Sanchez, E. Hjort, M. Pachr, R. E. Tribble, N. Gupta, A. Feng, O. Catu, Gerald W Hoffmann, M. Strikhanov, W. W. Jacobs, Jay Roberts, A. Kocoloski, Q. Li, S. Lehocka, M. L. Miller, J. Lauret, S. Dash, R. Lednicky, S. L. Blyth, V. Ghazikhanian, A. Shabetai, J. Sandweiss, Guo-Liang Ma, Q. H. Xu, Z. J. Sun, A. S. Hirsch, J. C. Webb, P. Kravtsov, Adam Ryszard Kisiel, H. J. Crawford, J. Sowinski, B. Haag, I. A. Qattan, Z. Chajecki, Marek Bombara, J. L. Romero, C. Perkins, P. S. Sazhin, T. Peitzmann, E. Finch, Z. Xu, G. Lin, Anik Gupta, Jianhong Wu, E. Elhalhuli, W. T. Waggoner, V. Fine, X. L. Wang, C. Zhong, M. van Leeuwen, X. Dong, S. K. Pal, P. Kurnadi, R. L. Ray, E. Potrebenikova, Zhenyu Zhang, M. R. Cosentino, D. Staszak, M. S. Daugherity, T. Ljubicic, F. Benedosso, H. Caines, Sudhir Raniwala, L. C. Bland, T. G. Dedovich, S. S. Shimanskiy, D. Relyea, T. Sakuma, E. P. Sichtermann, S. C. Phatak, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, T. Ullrich, R. Zoulkarneev, A. A. Kuznetsov, L. Liu, A. Kumar, F. Du, M. C. Suarez, L. V. Nogach, V. I. Kravtsov, M. Zawisza, H. M. Spinka, J. Ulery, J. H. Thomas, H. G. Ritter, D. Kettler, G. S. Averichev, O. Barannikova, R. Bellwied, H. Zhang, L. Gaillard, I. Sakrejda, J. X. Zuo, S. LaPointe, J. S. Wang, C. Nepali, Jorn Henning Putschke, A. V. Brandin, S. E. Vigdor, and Christian Claude Kuhn
Subjects: Physics, Particle physics, 010308 nuclear & particles physics, Scattering, media_common.quotation_subject, Nuclear Theory, General Physics and Astronomy, Jet (particle physics), Deep inelastic scattering, 01 natural sciences, Asymmetry, Gluon, Nuclear physics, Transverse plane, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Nucleon, media_common, Spin-½
Abstract: We report a new STAR measurement of the longitudinal double-spin asymmetry A(LL) for inclusive jet production at midrapidity in polarized p+p collisions at a center-of-mass energy of root s = 200 GeV. The data, which cover jet transverse momenta 5 < p(T) < 30 GeV/c, are substantially more precise than previous measurements. They provide significant new constraints on the gluon spin contribution to the nucleon spin through the comparison to predictions derived from one global fit to polarized deep-inelastic scattering measurements. They provide significant new constraints on the gluon spin contribution to the nucleon spin through the comparison to predictions derived from one global fit to polarized deep-inelastic scattering measurements.
Published: 2008

47. Spin alignment measurements of theK*0(892)andϕ(1020)vector mesons in heavy ion collisions atsNN=200GeV

Author: Zhenyu Zhang, M. R. Cosentino, F. Benedosso, V. Fine, Jake Y. Chen, T. G. Dedovich, T. Sakuma, S. C. Phatak, F. Du, V. Rykov, L. V. Nogach, M. J. Ng, V. I. Kravtsov, H. Zhang, I. Sakrejda, J. X. Zuo, David Jonathan Hofman, Kyungeon Choi, L. Kotchenda, A. M. Vander Molen, A. Stadnik, R. S. Longacre, S. LaPointe, A. Gordon, Peter Martin Jacobs, G. Eppley, Y. F. Wu, Xu Cai, Gang Wang, J. Takahashi, Debasish Das, Raghunath Sahoo, J. Pluta, S. B. Nurushev, M. A.C. Lamont, G. Igo, D. Thein, T. P. Burton, J. Bouchet, J. Millane, P. Djawotho, M. Pachr, R. E. Tribble, Andrew Rose, Y. Zhao, Gerald W Hoffmann, Morton Kaplan, S. M. Guertin, M. Sharma, M. Kopytine, Alexandre Alarcon Do Passo Suaide, J. S. Wang, R. N. Singaraju, A. P. Meschanin, Raimond Snellings, N. G. Minaev, D. P. Mahapatra, G. Van Buren, Mikhail Tokarev, Xiangming Sun, R. S. Hollis, S. S. Shi, T. W. Ludlam, J. G. Cramer, J. M. Nelson, C. Nepali, Yinina Ma, T. D. S. Stanislaus, Jorn Henning Putschke, B. D. Anderson, A. V. Brandin, Yan Li, H. Okada, W. Peryt, V. Ghazikhanian, H. H. Wieman, W. Christie, N. K. Pruthi, S. E. Vigdor, C. A. Whitten, Marek Bombara, Christian Claude Kuhn, L. K. Mangotra, W. M. Zhang, Andrey Vasiliev, Adam Ryszard Kisiel, J. L. Romero, H. J. Crawford, R. Manweiler, Xiaoyu Wang, F. Laue, Shaobo Zhang, A. Chikanian, M. J. Skoby, S. Lange, E. Finch, R. Fatemi, Jana Bielcikova, Christine Nattrass, V. N. Tram, A. Szanto de Toledo, A. M. Poskanzer, J. L. Drachenberg, K. Krueger, S. J. Lindenbaum, Q. H. Xu, H. Z. Huang, S. Vokal, K. Kajimoto, J. Kapitan, S. M. Dogra, N. Xu, P. Filip, Z. J. Sun, Janet Elizabeth Seger, Thomas Peitzmann, P. Sorensen, G. D. Westfall, D. Arkhipkin, A. Hamed, Peter Graham Jones, A. M. Hoffman, A. Kechechyan, Andre Mischke, G. M.S. Vasconcelos, J. Callner, W. He, T. Pawlak, Petr Jákl, N. Gupta, A. Feng, T. J. Humanic, M. Cherney, Thomas Michael Cormier, Lokesh Kumar, J. W. Harris, R. Cendejas, N. Schmitz, Akash Kumar, E. Shahaliev, A. Iordanova, M. Sarsour, X. Lin, J. Kiryluk, Pijush Ghosh, L. Didenko, X-H. Shi, N. T. Porile, Jay Roberts, P. Seyboth, E. J. Garcia-Solis, C. Roy, Anthony R. Timmins, Qian Yue, D. A. Morozov, B. Grube, J. Baudot, M. Wada, F. Liu, P. Yepes, A. Ridiger, S. Bueltmann, A. H. Tang, Thorsten Sven Kollegger, R. Varma, Yu A. Matulenko, S. Heppelmann, W. Guryn, R. Derradi de Souza, B. I. Abelev, B. Haag, P. Chaloupka, D. D. Koetke, J. E. Draper, B. Stringfellow, S. R. Klein, O. G. Grebenyuk, T. Tarnowsky, N. L. Subba, D. L. Olson, Zebo Tang, J. Fedorisin, Sergei A. Voloshin, J. P. Coffin, Hong Liu, A. G. Knospe, T. S. McShane, Russell Richard Betts, I. A. Qattan, Z. Chajecki, M. J. M. Codrington, D. G. Underwood, Lijuan Ruan, A. A. Derevschikov, S. Baumgart, A. L. Trattner, R. D. Majka, C. Perkins, J. C. Dunlop, Z. Xu, G. Lin, M. Shao, S. Margetis, R. F. Clarke, J. Schambach, Anju Bhasin, T. J. Hallman, J. Cheng, T. J. M. Symons, Sergey Timoshenko, Jianhong Wu, Basanta Kumar Nandi, S. Kabana, J. Tian, E. Elhalhuli, I. Selyuzhenkov, Y. P. Viyogi, Zubayer Ahammed, M. J. LeVine, A. Lebedev, Vitaly Okorokov, M. M. de Moura, B. Biritz, M. Botje, Y. Fisyak, Bernd Surrow, W. T. Waggoner, P. Fachini, M. Calderon De La Barca Sanchez, K. S.F.F. Guimaraes, Pawan Kumar Netrakanti, O. Catu, C. A. Gagliardi, N. van der Kolk, A. Ogawa, A. Kocoloski, Madan M. Aggarwal, H. F. Chen, S. Dash, Thomas A. Trainor, W. R. Edwards, Fuqiang Wang, C-Q. Li, R. Witt, R. P. Scharenberg, Christina Markert, S. Mioduszewski, W. L. Zhan, H. S. Matis, V. Yu Khodyrev, Frank Simon, Subrata Pal, M. Heinz, Lee Stuart Barnby, Jaroslav Bielcik, B. K. Srivastava, I. M. Vasilevski, W. W. Jacobs, J. Lauret, M. R. Dutta Mazumdar, A. Gupta, S. Bhardwaj, Boris Hippolyte, O. V. Rogachevskiy, R. Lednicky, W. A. Love, Y. Panebratsev, D. Grosnick, V. Kouchpil, T. Dietel, B. E. Bonner, Mirko Planinic, O. D. Tsai, M. Elnimr, M. C. Cervantes, Sevil Salur, Y. Wang, V. Emelianov, A. K. Bhati, D. Keane, Y. N. Gorbunov, Nikolai Smirnov, R. Stock, J. Mitchell, L. G. Efimov, C-H. Lee, T. K. Nayak, J. Ulery, H. G. Ritter, Bedangadas Mohanty, O. Barannikova, R. Bellwied, L. Gaillard, M. S. Daugherity, L. C. Bland, L. Liu, M. C. Suarez, J. H. Chen, M. Bystersky, F. Videbæk, Sukalyan Chattopadhyay, M. DePhillips, Michal Sumbera, M. S. Ganti, Y. Bai, S. W. Wissink, Y. Zhang, Nikola Poljak, V. Perevoztchikov, E. W. Hughes, I. K. Yoo, Alexandre Shabetai, M. L. Miller, Y. Lu, D. R. Gangadharan, E. G. Judd, Guo-Liang Ma, A. S. Hirsch, J. C. Webb, P. Kravtsov, J. Sowinski, J. Engelage, J. M. Landgraf, M. Strikhanov, J. Sandweiss, K. Kang, B. V.K.S. Potukuchi, Jie Liu, Hanna Paulina Zbroszczyk, D. R. Beavis, X. L. Wang, C. Zhong, M. van Leeuwen, X. Dong, F. Jin, W. J. Llope, R. L. Ray, D. Staszak, J. H. Thomas, T. Ljubicic, H. Caines, Sudhir Raniwala, E. P. Sichtermann, J. Balewski, Rashmi Raniwala, Claude Andre Pruneau, D. Kettler, T. Ullrich, R. Zoulkarneev, L. Eun, G. S. Averichev, M. Zawisza, H. M. Spinka, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, M. Potekhin, David Lynn, Q. Wang, M. J. Russcher, J. G. Ma, Jing Zhou, B. Erazmus, D. Cebra, S. Trentalange, M. Estienne, S. U. Chung, Marcelo Gameiro Munhoz, D. J. Prindle, M. A. Lisa, E. Braidot, and P. Kurnadi
Subjects: Physics, Density matrix, Nuclear and High Energy Physics, Angular momentum, Meson, Magnetic moment, Spins, 010308 nuclear & particles physics, Polarization (waves), 01 natural sciences, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Spectroscopy
Abstract: We present the first spin alignment measurements for the K*{sup 0}(892) and (1020) vector mesons produced at midrapidity with transverse momenta up to 5 GeV/c at {radical}s{sub NN} = 200 GeV at RHIC. The diagonal spin-density matrix elements with respect to the reaction plane in Au+Au collisions are {rho}{sub 00} = 0.32 {+-} 0.04 (stat) {+-} 0.09 (syst) for the K*{sup 0} (0.8 < p{sub T} < 5.0 GeV/c) and {rho}{sub 00} = 0.34 {+-} 0.02 (stat) {+-} 0.03 (syst) for the {phi} (0.4 < p{sub T} < 5.0 GeV/c) and are constant with transverse momentum and collision centrality. The data are consistent with the unpolarized expectation of 1/3 and thus no evidence is found for the transfer of the orbital angular momentum of the colliding system to the vector-meson spins. Spin alignments for K*{sup 0} and {phi} in Au+Au collisions were also measured with respect to the particle's production plane. The {phi} result, {rho}{sub 00} = 0.41 {+-} 0.02 (stat) {+-} 0.04 (syst), is consistent with that in p+p collisions, {rho}{sub 00} = 0.39 {+-} 0.03 (stat) {+-} 0.06 (syst), also measured in this work. The measurements thus constrain the possible size of polarization phenomena in the production dynamicsmore » of vector mesons.« less
Published: 2008

48. Centrality dependence of charged hadron and strange hadron elliptic flow fromsNN=200GeV Au+Au collisions

Author: R. Fatemi, V. Ghazikhanian, K. Krueger, R. L. Ray, J. S. Wang, J. Callner, Z. Xu, G. Lin, Sergey Voloshin, Christine Nattrass, D. Staszak, Sergey Timoshenko, Marek Bombara, W. He, Jun Takahashi, Anik Gupta, M. Cherney, Thomas Michael Cormier, J. L. Romero, C. W. Whitten, T. Ljubicic, Jana Bielcikova, Jianhong Wu, H. Caines, Sudhir Raniwala, Lokesh Kumar, M. Sarsour, X-H. Shi, P. Sorensen, E. Elhalhuli, M. Calderon De La Barca Sanchez, E. Finch, R. S. Longacre, D. Relyea, W. Christie, J. Baudot, M. Wada, Peter Graham Jones, O. Catu, E. P. Sichtermann, Kyungeon Choi, L. Kotchenda, P. Kurnadi, Debasish Das, Raghunath Sahoo, B. Grube, A. M. Vander Molen, H. Zhang, Y. F. Wu, A. Kocoloski, W. M. Zhang, Andrey Vasiliev, Zhenyu Zhang, J. Balewski, Rashmi Raniwala, M. A.C. Lamont, H. Z. Huang, S. Vokal, W. T. Waggoner, Claude Andre Pruneau, W. Guryn, I. Sakrejda, D. Thein, S. Dash, G. Igo, M. R. Cosentino, K. Kajimoto, T. P. Burton, L. Didenko, T. S. McShane, A. Ogawa, O. G. Grebenyuk, G. M.S. Vasconcelos, Janet Elizabeth Seger, J. Fedorisin, J. H. Thomas, H. F. Chen, W. R. Edwards, J. X. Zuo, T. Ullrich, A. M. Hoffman, F. Benedosso, M. Kopytine, R. Witt, N. Schmitz, E. Shahaliev, P. Djawotho, B. Haag, K. Schweda, M. Tokarev, S. Lange, J. Millane, A. G. Knospe, R. Zoulkarneev, J. Engelage, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, Raimond Snellings, T. Dietel, S. Mioduszewski, J. Kiryluk, S. J. Lindenbaum, Andrew Rose, Y. Zhao, S. LaPointe, W. J. Llope, A. Shabetai, Mirko Planinic, V. Yu Khodyrev, D. P. Mahapatra, R. S. Hollis, D. Kettler, Zebo Tang, Xiangming Sun, N. Xu, P. Filip, L. Eun, S. R. Klein, T. G. Dedovich, T. Tarnowsky, N. L. Subba, A. Gordon, C. Nepali, F. Laue, A. Szanto de Toledo, J. Kapitan, D. L. Olson, Jorn Henning Putschke, B. K. Srivastava, I. M. Vasilevski, T. D. S. Stanislaus, S. Baumgart, H. H. Wieman, S. M. Dogra, I. A. Qattan, Z. Chajecki, F. Liu, Q. H. Xu, S. U. Chung, T. Sakuma, Adam Ryszard Kisiel, G. D. Westfall, S. C. Phatak, A. V. Brandin, Y. N. Gorbunov, Marcelo Gameiro Munhoz, D. J. Prindle, T. Pawlak, H. Okada, G. S. Averichev, L. K. Mangotra, Z. J. Sun, S. Bhardwaj, Boris Hippolyte, Yinina Ma, A. A. Derevschikov, X. Lin, H. J. Crawford, A. L. Trattner, D. A. Morozov, C. Perkins, R. N. Singaraju, R. Manweiler, J. L. Drachenberg, Bedangadas Mohanty, Russell Richard Betts, Petr Jákl, T. Peitzmann, X. L. Wang, R. D. Majka, G. Wang, B. D. Anderson, D. G. Underwood, A. P. Meschanin, V. Fine, S. E. Vigdor, Christian Claude Kuhn, C. Zhong, P. Seyboth, Lijuan Ruan, A. M. Poskanzer, N. Gupta, A. Feng, E. J. Garcia-Solis, J. W. Harris, S. Margetis, R. F. Clarke, J. Schambach, V. Emelianov, A. K. Bhati, D. Keane, M. A. Lisa, Premomoy Ghosh, J. M. Landgraf, Anju Bhasin, Nikolai Smirnov, N. K. Pruthi, C-Q. Li, G. Eppley, M. Shao, Jay Roberts, A. Kechechyan, Andre Mischke, M. van Leeuwen, X. Dong, A. Ridiger, Thorsten Sven Kollegger, T. J. Hallman, J. Cheng, T. J. M. Symons, R. Derradi de Souza, B. I. Abelev, Jake Y. Chen, R. Stock, J. Mitchell, S. Kabana, J. Tian, L. G. Efimov, Y. P. Viyogi, A. Lebedev, Shaobo Zhang, S. K. Pal, R. P. Scharenberg, Christina Markert, Anthony R. Timmins, E. Braidot, H. S. Matis, P. Fachini, F. Jin, P. Yepes, M. M. de Moura, C-H. Lee, T. K. Nayak, B. E. Bonner, M. J. M. Codrington, S. Bueltmann, M. Botje, A. H. Tang, O. D. Tsai, M. C. Cervantes, S. Heppelmann, J. G. Cramer, M. Zawisza, H. M. Spinka, Jie Liu, W. W. Jacobs, J. Lauret, M. Strikhanov, M. Sharma, J. H. Chen, J. Pluta, J. C. Dunlop, Hanna Paulina Zbroszczyk, Y. Fisyak, R. Lednicky, M. Bystersky, B. Erazmus, A. Kumar, F. Du, N. G. Minaev, Zubayer Ahammed, M. J. LeVine, V. Rykov, L. V. Nogach, M. J. Ng, V. I. Kravtsov, Sevil Salur, Y. Wang, D. R. Beavis, Xuejun Wang, Y. Panebratsev, J. Sandweiss, T. J. Humanic, D. Grosnick, V. Kouchpil, D. Cebra, S. Trentalange, M. Estienne, N. T. Porile, Qian Yue, I. K. Yoo, R. Varma, Yu A. Matulenko, D. D. Koetke, J. E. Draper, B. Stringfellow, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, Bernd Surrow, Y. Lu, M. Pachr, K. Kang, M. Potekhin, E. G. Judd, David Lynn, Q. Wang, R. E. Tribble, Basanta Kumar Nandi, M. J. Russcher, M. DePhillips, Pawan Kumar Netrakanti, J. P. Coffin, Michal Sumbera, Gerald W Hoffmann, Y. Bai, J. G. Ma, Jing Zhou, S. W. Wissink, Y. Zhang, C. A. Gagliardi, N. van der Kolk, Nikola Poljak, V. A. Okorokov, B. V.K.S. Potukuchi, M. Heinz, Lee Stuart Barnby, Jaroslav Bielcik, M. R. Dutta Mazumdar, H. Liu, A. Chikanian, M. J. Skoby, O. V. Rogachevskiy, V. N. Tram, W. A. Love, Madan M. Aggarwal, Fuqiang Wang, M. Oldenburg, W. L. Zhan, Frank Simon, D. Arkhipkin, A. Hamed, A. Iordanova, C. Roy, J. Ulery, H. G. Ritter, O. Barannikova, R. Bellwied, L. Gaillard, P. Chaloupka, L. C. Bland, L. Liu, M. C. Suarez, Guo-Liang Ma, A. S. Hirsch, J. C. Webb, P. Kravtsov, M. S. Daugherity, J. Sowinski, M. L. Miller, F. Videbæk, Sukalyan Chattopadhyay, M. S. Ganti, V. Perevoztchikov, E. W. Hughes, I. Selyuzhenkov, G. Van Buren, S. S. Shi, T. W. Ludlam, J. M. Nelson, Yan Li, W. Peryt, David Jonathan Hofman, A. Stadnik, Peter Martin Jacobs, S. B. Nurushev, Morton Kaplan, and X. Z. Cai
Subjects: Physics, Quark, Nuclear and High Energy Physics, Range (particle radiation), Particle physics, 010308 nuclear & particles physics, Nuclear Theory, Hadron, Elliptic flow, 01 natural sciences, Omega, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider, Scaling
Abstract: We present STAR results on the elliptic flow upsilon(2) Of charged hadrons, strange and multistrange particles from,root s(NN) = 200 GeV Au+Au collisions at the BNL Relativistic Heavy Ion Collider (RHIC). The detailed study of the centrality dependence of upsilon(2) over a broad transverse momentum range is presented. Comparisons of different analysis methods are made in order to estimate systematic uncertainties. To discuss the nonflow effect, we have performed the first analysis Of upsilon(2) with the Lee-Yang zero method for K(S)(0) and A. In the relatively low PT region, P(T)
Published: 2008

49. Identified Baryon and Meson Distributions at Large Transverse Momenta fromAu+AuCollisions atsNN=200 GeV

Author: A. Tai, E. P. Sichtermann, J. Balewski, Rashmi Raniwala, C. A. Whitten, G. Sood, J. Engelage, Claude Andre Pruneau, T. Ullrich, T. P. Burton, Z. Xu, G. Lin, R. Zoulkarneev, A. Stolpovsky, V. Emelianov, A. K. Bhati, D. Keane, J. Speltz, S. Lange, John N. Wood, R. L. Ray, M. DePhillips, E. Potrebenikova, L. Kotchenda, S. Hepplemann, Nikolai Smirnov, R. Stock, X. L. Wang, M. Heinz, Lee Stuart Barnby, C. Zhong, J. Mitchell, L. G. Efimov, M. van Leeuwen, X. Dong, S. K. Pal, R. V. Cadman, A. Bravar, Jana Bielcikova, T. Ljubicic, S. J. Lindenbaum, Premomoy Ghosh, Jorn Henning Putschke, H. Caines, Sudhir Raniwala, J. M. Landgraf, S. S. Shimanskiy, D. Relyea, A. V. Brandin, W. J. Llope, Michal Sumbera, O. G. Grebenyuk, C-H. Lee, T. K. Nayak, Jaroslav Bielcik, Raimond Snellings, L. K. Mangotra, Jianhong Wu, R. N. Singaraju, V. B. Dunin, Marcelo Gameiro Munhoz, D. J. Prindle, M. Strikhanov, S. L. Blyth, Y. Bai, S. E. Vigdor, Christian Claude Kuhn, H. Long, A. P. Meschanin, E. Sugarbaker, J. Castillo, S. W. Wissink, Y. Zhang, S. Vokal, J. Sandweiss, Z. Liu, M. R. Dutta Mazumdar, R. Manweiler, N. Xu, P. Filip, Y. Panebratsev, D. Grosnick, V. Kouchpil, J. Fedorisin, M. A. Lisa, O. V. Rogachevskiy, Nikola Poljak, R. Fatemi, Hao-Ze Chen, M. Calderon De La Barca Sanchez, G. D. Westfall, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, A. M. Poskanzer, D. Magestro, W. J. Dong, K. Krueger, W. A. Love, J. Kiryluk, Manish Sharma, D. P. Mahapatra, W. T. Waggoner, W. Christie, A. I. Kulikov, K. Kang, H. M. Spinka, B. E. Bonner, W. M. Zhang, O. D. Tsai, Yinina Ma, Andrey Vasiliev, A. M. Vander Molen, M. Shao, Petr Jákl, J. Ulery, D. A. Morozov, M. J. Horner, A. Ridiger, B. D. Anderson, Madan M. Aggarwal, Thorsten Sven Kollegger, Fuqiang Wang, A. Kechechyan, Andre Mischke, B. Haag, R. Picha, Q. H. Xu, R. S. Longacre, H. G. Ritter, M. Oldenburg, E. Hjort, A. N. Zubarev, O. Catu, Zhenyu Zhang, L. Martin, F. Laue, A. Szanto de Toledo, J. Kapitan, H. Zhang, I. K. Yoo, Y. G. Gorbunov, Debasish Das, Raghunath Sahoo, G. Eppley, Janet Elizabeth Seger, Gregory Rakness, A. M. Hoffman, O. Barannikova, R. Bellwied, B. V.K.S. Potukuchi, B. Erazmus, T. Dietel, Sergey Voloshin, Christine Nattrass, W. He, S. M. Dogra, M. A.C. Lamont, A. Bellingeri-Laurikainen, D. D. Koetke, G. Igo, J. E. Draper, C. J. McClain, V. I. Yurevich, Xu Cai, J. Pluta, N. Gupta, L. Gaillard, Z. Chajecki, V. Y. Khodyrev, M. Cherney, M. R. Cosentino, J. Bouchet, Frank Simon, Sevil Salur, Y. Wang, D. Thein, A. I. Pavlinov, P. Fachini, Thomas Michael Cormier, C. Perkins, J. P. Coffin, Jie Liu, T. Pawlak, F. Liu, J. Millane, Vitaly Okorokov, Mirko Planinic, V. Ghazikhanian, D. Cebra, K. S.F.F. Guimaraes, A. Kocoloski, M. Sarsour, T. Peitzmann, Q. Li, E. G. Judd, Jay Roberts, Bernd Surrow, M. Pachr, M. Kopytine, J. Fu, Z. J. Sun, S. Trentalange, M. Estienne, S. Dash, X. Lin, Matthew J. Anderson, F. Benedosso, J. L. Romero, B. I. Abelev, Pawan Kumar Netrakanti, J. X. Zuo, R. E. Tribble, N. G. Minaev, M. Tokarev, Yu Melnick, T. D. Gutierrez, N. S. Nepali, P. S. Sazhin, J. H. Thomas, J. E. Gonzalez, R. D. Majka, E. Finch, H. M. Liu, Andrew Rose, Y. Zhao, C. A. Gagliardi, Gerald W Hoffmann, H. Bichsel, G. Odyniec, M. S. Daugherity, J. Baudot, W. Zhan, Y. Zoulkarneeva, M. L. Miller, Bedangadas Mohanty, L. Ruan, N. van der Kolk, S. Margetis, J. Schambach, M. Potekhin, S. R. Klein, T. Tarnowsky, N. L. Subba, Anju Bhasin, D. G. Underwood, P. Djawotho, S. LaPointe, L. C. Bland, D. L. Olson, T. W. Henry, Morton Kaplan, T. D. S. Stanislaus, A. Lebedev, M. M. de Moura, G. Wang, David Lynn, M. J. Russcher, G. S. Averichev, N. Schmitz, H. H. Wieman, E. Shahaliev, M. Botje, A. A. Derevschikov, A. A. Kuznetsov, J. H. Chen, M. Bystersky, T. J. Hallman, L. Liu, V. V. Belaga, P. Seyboth, Sergey Timoshenko, T. J. M. Symons, A. Wetzler, C. F. Moore, Adam Ryszard Kisiel, P. Sorensen, T. G. Dedovich, Peter Graham Jones, A. Hamed, Wen-Qing Shen, H. J. Crawford, Jichao Wang, A. Stadnik, Peter Martin Jacobs, Guo-Liang Ma, L. Didenko, T. Sakuma, Y. Lu, J. G. Ma, S. B. Nurushev, S. C. Phatak, J. Takahashi, J. W. Watson, I. Selyuzhenkov, J. Reinnarth, G. Van Buren, A. Ogawa, A. S. Hirsch, J. W. Harris, Shengli Huang, Thomas A. Trainor, W. R. Edwards, J. C. Webb, P. Kravtsov, C-Q. Li, T. W. Ludlam, J. C. Dunlop, J. M. Nelson, R. P. Scharenberg, Christina Markert, Anthony R. Timmins, Yan Li, W. Peryt, H. S. Matis, J. Sowinski, P. Yepes, V. Eckardt, J. Porter, Renaud Vernet, Zubayer Ahammed, W. W. Jacobs, J. Lauret, Sukalyan Chattopadhyay, M. J. LeVine, Jianping Cheng, M. S. Ganti, R. Lednicky, L. Molnar, A. Kumar, F. Jia, V. Perevoztchikov, E. W. Hughes, K. L. Kowalik, Sergey Panitkin, F. Du, L. V. Nogach, V. I. Kravtsov, C. Mironov, Y. Fisyak, S. Lehocka, H. Z. Huang, V. Fine, Souvik Das, R. Witt, A. Shabetai, S. Mioduszewski, B. K. Srivastava, I. M. Vasilevski, S. Bhardwaj, Boris Hippolyte, H. Jiang, T. S. McShane, Basanta Kumar Nandi, S. V. Razin, S. Kabana, Y. P. Viyogi, A. H. Tang, A. Chikanian, T. J. Humanic, N. T. Porile, D. K. Mishra, Beomkyu Kim, D. Arkhipkin, R. Varma, Yu A. Matulenko, S. Bekele, B. Stringfellow, C. Roy, E. M. Kislov, J. G. Cramer, M. Swanger, H. Gos, P. Chaloupka, and M. Kramer
Subjects: Quark, Physics, Meson, 010308 nuclear & particles physics, General Physics and Astronomy, 01 natural sciences, 7. Clean energy, Spectral line, Nuclear physics, Baryon, Transverse plane, Antiproton, 0103 physical sciences, Pi, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Bar (unit)
Abstract: Transverse momentum spectra of pi(+/-), p, and (p) over bar p up to 12 GeV/c at midrapidity in centrality selected Au + Au collisions at root s(NN) = 200 GeV are presented. In central Au + Au collisions, both pi(+/-) and p((p) over bar) show significant suppression with respect to binary scaling at p(T) greater than or similar to 4 GeV/c. Protons and antiprotons are less suppressed than pi(+/-), in the range 1.5 less than or similar to p(T) less than or similar to 6 GeV/c. The pi(-)/pi(+) and (p) over bar /p ratios show at most a weak pT dependence and no significant centrality dependence. The p/pi ratios in central Au + Au collisions approach the values in p + p and d + Au collisions at p(T) greater than or similar to 5 GeV/c. The results at high p(T) indicate that the partonic sources of pi(+/-), p, and (p) over bar have similar energy loss when traversing the nuclear medium
Published: 2006

50. Minijet deformation and charge-independent angular correlations on momentum subspace(η,ϕ)in Au-Au collisions atsNN=130GeV

Author: O. D. Tsai, Vitaly Okorokov, T. S. McShane, E. Sugarbaker, Y. Panebratsev, D. Grosnick, V. Kouchpil, C. Roy, S. Vokal, Sevil Salur, Y. Wang, A. Tai, J. Amonett, Bernd Surrow, R. S. Longacre, V. Emelianov, A. K. Bhati, D. Keane, Nikolai Smirnov, B. Erazmus, J. Mitchell, L. G. Efimov, C-H. Lee, T. K. Nayak, L. K. Mangotra, R. Manweiler, G. Eppley, Debasish Das, Raghunath Sahoo, I. K. Yoo, Y. G. Gorbunov, M. S. Daugherity, M. A.C. Lamont, A. Stolpovsky, Pawan Kumar Netrakanti, A. Bellingeri-Laurikainen, Hao-Ze Chen, L. Kotchenda, S. Hepplemann, Xu Cai, J. Pluta, S. V. Razin, J. Kiryluk, G. Igo, P. Seyboth, H. M. Liu, WL Zhan, A. M. Poskanzer, D. Cebra, M. Swanger, M. Calderon De La Barca Sanchez, Sergey Voloshin, Christine Nattrass, S. Trentalange, H. Gos, P. Chaloupka, J. Bouchet, O. Catu, M. Estienne, A. I. Pavlinov, F. Liu, E. G. Judd, B. Haag, Yu Melnick, C. A. Gagliardi, N. van der Kolk, A. Kechechyan, Andre Mischke, J. H. Thomas, D. A. Morozov, Andrew Rose, K. Schweda, Y. Zhao, G. Sood, N. Schmitz, E. Shahaliev, H. Bichsel, G. Odyniec, Y. Zoulkarneeva, Q. Li, J. E. Gonzalez, C. O. Blyth, Q. H. Xu, Jianping Cheng, C-Q. Li, Jay Roberts, K. Kang, A. H. Tang, M. Pachr, R. E. Tribble, L. C. Bland, A. Chikanian, M. Potekhin, Zhijia Sun, A. A. Kuznetsov, David Lynn, S. Kabana, Y. P. Viyogi, Bedangadas Mohanty, A. M. Vander Molen, L. Liu, M. J. Russcher, T. D. Gutierrez, R. D. Majka, X. L. Wang, C. Zhong, B. I. Bezverkhny, Gerald W Hoffmann, M. Botje, I. Sakrejda, P. Fachini, D. K. Mishra, E. Hjort, J. Baudot, A. Ridiger, Thorsten Sven Kollegger, R. P. Scharenberg, Gregory Rakness, R. N. Singaraju, A. P. Meschanin, E. M. Kislov, J. C. Webb, A. Stadnik, J. G. Cramer, S. M. Guertin, Alexandre Alarcon Do Passo Suaide, D. Arkhipkin, A. Kumar, D. Thein, S. Margetis, J. Schambach, Y. Guo, L. Ruan, M. J. Horner, M. van Leeuwen, X. Dong, W. Christie, S. Bekele, J. X. Zuo, J. Adams, Peter Martin Jacobs, A. Hamed, Wen-Qing Shen, V. Ghazikhanian, O. G. Grebenyuk, H. S. Matis, F. Du, J. G. Ma, M. Lopez-Noriega, M. Kopytine, J. Fu, V. B. Dunin, A. Ishihara, A. I. Kulikov, J. H. Chen, M. Bystersky, J. L. Romero, D. P. Mahapatra, W. M. Zhang, J. Wu, Yu Chen, J. Fedorisin, A. Bravar, Z. Chajecki, Gang Wang, Y. Lu, Marcelo Gameiro Munhoz, D. J. Prindle, Adam Ryszard Kisiel, H. Jiang, Andrey Vasiliev, P. S. Sazhin, E. Finch, M. Tokarev, J. Speltz, C. F. Moore, Nu Xu, M. Shao, M. DePhillips, J. Ulery, L. Martin, J. W. Harris, E. P. Sichtermann, L. V. Nogach, D. Magestro, R. Snellings, H. J. Crawford, H. G. Ritter, M. A. Lisa, Basanta Kumar Nandi, J. Porter, W. J. Dong, J. Balewski, S. LaPointe, Rashmi Raniwala, B. D. Anderson, C. Perkins, D. D. Koetke, Janet Elizabeth Seger, Michal Sumbera, S. B. Nurushev, Anthony R. Timmins, Claude Andre Pruneau, R. Bellwied, R. Fatemi, G. S. Averichev, P. Yepes, V. Eckardt, T. D. S. Stanislaus, Renaud Vernet, Yinina Ma, H. A. Choi, H. H. Wieman, M. Sharma, V. I. Kravtsov, J. Engelage, L. Gaillard, W. W. Jacobs, J. E. Draper, C. J. McClain, Anju Bhasin, K. Krueger, C. Mironov, T. Ullrich, John N. Wood, J. C. Dunlop, Y. Fisyak, Z. Xu, G. Lin, R. Zoulkarneev, Zhenyu Zhang, Reinhard Stock, M. R. Cosentino, Zubayer Ahammed, Premomoy Ghosh, Thomas Peitzmann, R. Picha, Anik Gupta, F. Retiere, Y. Bai, M. J. LeVine, S. Lehocka, J. Castillo, M. Kramer, J. M. Landgraf, J. P. Coffin, A. Lebedev, R. V. Cadman, W. He, J. Lauret, M. Cherney, Thomas Michael Cormier, M. Strikhanov, F. Jia, S. W. Wissink, Y. Zhang, R. L. Ray, E. Potrebenikova, M. Sarsour, T. J. Humanic, S. L. Blyth, T. G. Dedovich, M. M. de Moura, S. C. Phatak, H. Z. Huang, Christina Markert, J. Sandweiss, Z. Liu, Nikola Poljak, N. T. Porile, V. Fine, Beomkyu Kim, F. Laue, A. Szanto de Toledo, J. Kapitan, T. Ljubicic, R. Varma, W. T. Waggoner, Jian-Song Wang, Yu A. Matulenko, H. Caines, Sudhir Raniwala, B. Stringfellow, A. Shabetai, S. S. Shimanskiy, D. Relyea, Souvik Das, S. M. Dogra, A. Wetzler, R. Witt, N. G. Minaev, Morton Kaplan, S. Mioduszewski, V. Yu Khodyrev, Subrata Pal, S. Bharadwaj, B. K. Srivastava, I. M. Vasilevski, J. Gans, Boris Hippolyte, I. Selyuzhenkov, H. M. Spinka, R. Lednicky, L. Molnar, J. Reinnarth, T. Pawlak, G. Van Buren, T. W. Ludlam, J. M. Nelson, Yan Li, W. Peryt, Jorn Henning Putschke, A. V. Brandin, H. Zhang, S. E. Vigdor, Christian Claude Kuhn, Sergey Timoshenko, D. G. Underwood, P. Filip, Matthew J. Anderson, T. J. Hallman, T. J. M. Symons, J. Takahashi, J. W. Watson, A. Ogawa, Shengli Huang, Thomas A. Trainor, W. R. Edwards, T. Dietel, Mirko Planinic, G. D. Westfall, T. W. Henry, Petr Jákl, A. N. Zubarev, K. S.F.F. Guimaraes, V. V. Belaga, P. Sorensen, C. A. Whitten, S. Lange, Jana Bielcikova, S. J. Lindenbaum, Peter Graham Jones, L. Didenko, S. R. Klein, T. Tarnowsky, O. Barannikova, D. L. Olson, A. A. Derevschikov, Madan M. Aggarwal, Fuqiang Wang, M. Oldenburg, V. I. Yurevich, Frank Simon, M. Heinz, Lee Stuart Barnby, Jaroslav Bielcik, M. R. Dutta Mazumdar, O. V. Rogachevskiy, W. A. Love, Sukalyan Chattopadhyay, M. S. Ganti, V. Perevoztchikov, K. Filimonov, E. W. Hughes, K. L. Kowalik, Sergey Panitkin, M. L. Miller, Guo-Liang Ma, A. S. Hirsch, P. Kravtsov, Jeffrey G. Reid, J. Sowinski, V. A. Nikitin, B. V.K.S. Potukuchi, Vladimir Petrov, W. J. Llope, H. Long, Jie Liu, P. Djawotho, and B. E. Bonner
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Scattering, Hadron, Elliptic flow, Parton, 01 natural sciences, Nuclear physics, Azimuth, Amplitude, Pseudorapidity, 0103 physical sciences, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics
Abstract: Measurements of two-particle correlations on angular difference variables η1 − η2 (pseudorapidity) and φ1 − φ2 (azimuth) are presented for all primary charged hadrons with transverse momentum 0.15 ≤ p_t ≤ 2 GeV/c and |η| ≤ 1.3 from Au-Au collisions at √s_(NN) = 130 GeV. Large-amplitude correlations are observed over a broad range in relative angles where distinct structures appear on the same-side and away-side (i.e., relative azimuth less than π/2 or greater than π/2). The principal correlation structures include that associated with elliptic flow plus a strong, same-side peak. It is hypothesized that the latter results from correlated hadrons associated with semi-hard parton scattering in the early stage of the heavy-ion collision which produces a jet-like correlation peak at small relative angles. The width of the jet-like peak on η1 − η2 increases by a factor 2.3 from peripheral to central collisions, suggesting strong coupling of semi-hard scattered partons to a longitudinally-expanding medium. The new methods of jet analysis introduced here provide access to scattered partons at low transverse momentum well below the kinematic range where perturbative quantum chromodynamics and standard fragmentation models are applicable.
Published: 2006

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