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17 results on '"Wen, Liwen"'

2. On the clustering properties of produced particles in high-energy $pp$ collisions

Author

Wong, Cheuk-Yin, Jiang, Hanpu, Yao, Nanxi, Wen, Liwen, Wang, Gang, and Huang, Huan Zhong

Subjects
High Energy Physics - Phenomenology, High Energy Physics - Experiment, Nuclear Experiment, Nuclear Theory
Abstract

Minijets provide useful information on parton interactions in the low transverse-momentum (low-$p_T$) region. Because minijets produce clusters, we study the clustering properties of produced particles in high-energy $pp$ collisions as a first step to identify minijets. We develop an algorithm to find clusters by using the k-means clustering method, in conjunction with a k-number (cluster number) selection principle in the space of pseudorapidity and azimuthal angles. We test the clustering algorithm using events generated by PYTHIA 8.1, for $pp$ collision at $\sqrt{s}=200$ GeV. We find that clustering of low-$p_T$ hadrons occurs in high multiplicity events. However similar clustering properties are also present for particles produced randomly in a finite pseudorapidity and azimuthal angle space. To distinguish the dynamics from random generations of events, it is necessary to examine the correlation between particles and between clusters. We find that the correlations between clusters may provide a useful tool to distinguish the underlying dynamics of the reaction mechanism., Comment: 22 pages, 21 figures

Published
2018
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3. Experimental results on chiral magnetic and vortical effects

Author

Wang, Gang and Wen, Liwen

Subjects
Nuclear Experiment, High Energy Physics - Experiment
Abstract

Various novel transport phenomena in chiral systems result from the interplay of quantum anomalies with magnetic field and vorticity in high-energy heavy-ion collisions, and could survive the expansion of the fireball and be detected in experiments. Among them are the chiral magnetic effect, the chiral vortical effect and the chiral magnetic wave, the experimental searches for which have aroused extensive interest. The goal of this review is to describe the current status of experimental studies at Relativistic Heavy Ion Collider at BNL and the Large Hadron Collider at CERN, and to outline the future work in experiment needed to eliminate the existing uncertainties in the interpretation of the data., Comment: 17 pages, 20 figures. Submitted to Advances in High Energy Physics

Published
2016

4. Event-shape-engineering study of charge separation in heavy-ion collisions

Author

Wen, Fufang, Bryon, Jacob, Wen, Liwen, and Wang, Gang

Subjects
Nuclear Theory, High Energy Physics - Phenomenology
Abstract

Recent measurements of charge-dependent azimuthal correlations in high-energy heavy-ion collisions have indicated charge-separation signals perpendicular to the reaction plane, and have been related to the chiral magnetic effect (CME). However, the correlation signal is contaminated with the background caused by the collective motion (flow) of the collision system, and an effective approach is needed to remove the flow background from the correlation. We present a method study with simplified Monte Carlo simulations and a multi-phase transport model, and develop a scheme to reveal the true CME signal via the event-shape engineering with the flow vector of the particles of interest., Comment: 6 pages, 8 figures, to be published in Chinese Physics C

Published
2016
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5. Towards Measurements of Chiral Effects Using Identified Particles from STAR

Author

Wen, Liwen and Collaboration, STAR

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, Chiral Magnetic Effect, Chiral Magnetic Wave, gamma correlation, k(K) parameter, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics, Astronomical sciences, Nuclear and plasma physics, Particle and high energy physics
Published
2017

7. Probing Quark-Gluon Plasma and Chiral Effects in Heavy-Ion Collisions: Measurements of Strangeness ($\Omega$ and $\phi$) Production and Identified Particle Correlation in Au+Au Collisions at STAR/RHIC

Author

Wen, Liwen

Subjects
Physics, Chiral Effects, Heavy-ion Collision, Strangeness
Abstract

Ultra-relativistic heavy-ion collision produces an extremely hot and dense medium of de-confined quarks and gluons, which is called Quark-Gluon Plasma (QGP). The STAR detector at Relativistic Heavy Ion Collider (RHIC) provides powerful experimental capabilities to probe the properties of this new form of matter, as well as novel quantum effects induced by the restoration of fundamental symmetry in qauntum-chromdynamics (QCD). Towards these goals, two research projects have been carried out at STAR/RHIC and will be presented in this thesis: 1) Measurement of mid-rapidity ($|y|19.6$ GeV) results in $p_T$ range from $2.0-3.0$ GeV/c, which may imply a transition of created medium whose underlying dominant degrees of freedom change from quarks/gluons to hadrons as collision energy goes below 19.6 GeV. %whose underlying dominant degrees of freedom change from quarks/gluons to hadrons as...With excellent particle identification capability of STAR, a systematic search for the Chiral Magnetic Effect (CME) via measurements of $\gamma_{112}$ correlation and $\kappa_K$ parameter for identified particle pairs ($\pi\pi$, $pK$, $\pi K$, $pp$, $p\pi$) in Au+Au collisions has been conducted. The $\kappa_K$ results are compared to expectations from the \textit{A Multi-Phase Transport Model} (AMPT) simulations. Except $\pi\pi$ and $pp$ correlations, the CME signals from other particle pairs are consistent with background model. $\kappa_K$ from $\pi\pi$ shows higher values than background expectation, while the result for $pp$ is even lower than the background, which requires further investigation. %A study of $\gamma_{112}$ and $\delta$ correlations for $\Lambda p$ in Au+Au 27 GeV shows that in mid-central and mid-peripheral collisions, baryon numbers are separated across reaction plane, which is consistent with the Chiral Vortical Effect (CVE) expectation. To search for Chiral Vortical Effect (CVE), a measurement of $\gamma_{112}$ and $\delta$ correlations for $\Lambda p$ pairs in Au+Au collisions at $\sqrt{s_{NN}}=27$ GeV was carried out and the results show that the CVE induced baryon number separation may exist in mid-central and mid-peripheral collisions with little contamination from flowing resonance decay background. Future development of searches for the chirality effect in heavy ion collisions will also be discussed.

Published
2019

9. Probing the Gluonic Structure of the Deuteron with J/ψ Photoproduction in d+Au Ultraperipheral Collisions

Author

Abdallah, Mohamed, Aboona, Bassam, Adam, Jaroslav, Adamczyk, Leszek, Adams, Joseph, Adkins, Kevin, Agakishiev, Geydar, Aggarwal, Ishu, Aggarwal, Madan, Ahammed, Zubayer, Aitbaev, A., Alekseev, Igor, Anderson, Derek, Aparin, Alexey, Aschenauer, Elke-Caroline, Ashraf, Muhammad Usman, Atetalla, Fareha, Attri, Anjali, Averichev, Georgy, Bairathi, Vipul, Baker, William, Ball Cap, Jonathan Gonzalo, Barish, Kenneth, Behera, Arabinda, Bellwied, Rene, Bhagat, Pratibha, Bhasin, Anju, Bielcik, Jaroslav, Bielcikova, Jana, Bordyuzhin, Igor, Brandenburg, James, Brandin, Andrei, Bunzarov, Ivan, Cai, Xiang-Zhou, Caines, Helen, Calderon de la Barca Sanchez, Manuel, Cebra, Daniel, Chakaberia, Irakli, Chaloupka, Petr, Chan, Brian, Chang, Feng-Han, Chang, Zilong, Chankova-Bunzarova, Nedialka, Chatterjee, Arghya, Chattopadhyay, Subhasis, Chen, Ding, Chen, Jia, Chen, Jinhui, Chen, Xiaolong, Chen, Zhenyu, Cheng, Jianping, Chevalier, Malia, Choudhury, Subikash, Christie, W., Christie, Bill, Chu, Xiaoxuan, Crawford, Hank, Csanad, Mate, Daugherity, Michael, Dedovich, Tatiana, Deppner, Ingo, Derevschikov, Anatoly, Dhamija, Arushi, Di Carlo, Launa, Didenko, Lidia, Dixit, Prabhupada, Dong, Xin, Drachenberg, James, Duckworth, Eddie, Dunlop, James, Elsey, Nicholas, Engelage, Jack, Eppley, Geary, Esumi, ShinIchi, Evdokimov, Olga, Ewigleben, Annika, Eyser, Oleg, Fatemi, Renee, Fawzi, Fares, Fazio, Salvatore, Federic, Pavol, Fedorisin, Jan, Feng, Chan-Jui, Feng, Yicheng, Filip, Peter, Finch, Evan, Fisyak, Yuri, Francisco, Audrey, Fu, Chuan, Fulek, Lukasz, Gagliardi, Carl, Galatyuk, Tatyana, Geurts, Frank, Ghimire, Navagyan, Gibson, Adam, Gopal, Krishan, Gou, Xingrui, Grosnick, David, Gupta, Anik, Guryn, Wlodek, Hamad, Ayman, Hamed, Ahmed, Han, Yiding, Harabasz, Szymon, Harasty, Matthew, Harris, John, Harrison, Hannah, He, Shu, He, Wanbing, He, Xionghong, He, Yang, Heppelmann, Samuel, Heppelmann, Steven, Herrmann, Norbert, Hoffman, Eric, Holub, Lukas, Hu, C., Hu, Q., Hu, Yu, Huang, Hao, Huang, Huan, Huang, Shengli, Huang, Te-Chuan, Huang, Xinjie, Huang, Yan, Humanic, T.J., Igo, George, Isenhower, Donald, Isshiki, M., Jacobs, William, Jena, Chitrasen, Jentsch, Alexander, Ji, Yuanjing, Jia, Jiangyong, Jiang, Kun, Ju, Xinyue, Judd, Eleanor, Kabana, Sonia, Kabir, Md Latiful, Kagamaster, Skipper, Kalinkin, Dmitry, Kang, Kejun, Kapukchyan, David, Kauder, Kolja, Ke, Hongwei, Keane, Declan, Kechechyan, Armen, Kelsey, Matthew, Khyzhniak, Yevheniia, Kikola, Daniel, Kim, Chong, Kimelman, Benjamin, Kincses, Daniel, Kisel, Ivan, Kiselev, Alexander, Knospe, Anders, Ko, Ho San, Kochenda, Leonid, Korobitsin, A., Kosarzewski, Leszek, Kramarik, Lukas, Kravtsov, Petr, Kumar, Lokesh, Kumar, Shyam, Kunnawalkam Elayavalli, Raghav, Kwasizur, Joseph, Lacey, Roy, Lan, Shaowei, Landgraf, Jeffery, Lauret, Jerome, Lebedev, Alexei, Lednicky, Richard, Lee, Jeong-Hun, Leung, Yue-Hang, Lewis, Nicole, Li, Changfeng, Li, Cheng, Li, Wei, Li, Xin, Li, Yuanjing, Liang, Xilin, Liang, Yue, Licenik, Robert, Lin, Ting, Lin, Yufu, Lisa, Mike, Liu, Feng, Liu, Huanzhao, Liu, Hui, Liu, Peifeng, Liu, Tong, Liu, Xiaoyu, Liu, Yanfang, Liu, Zhen, Ljubicic, Tonko, Llope, W.J., Longacre, R.S., Loyd, Erik, Lu, T., Lukow, Nicholas, Luo, Xiaofeng, Ma, Long, Ma, Rongrong, Ma, Yu-Gang, Magdy Abdelwahab Abdelrahman, Niseem, Mallick, Debasish, Manukhov, S.L., Margetis, Spiros, Markert, Christina, Matis, Howard, Mazer, Joel, Minaev, Nikolai, Mioduszewski, Saskia, Mohanty, Bedanga, Mondal, Mriganka, Mooney, Isaac, Morozov, Dmitry, Mukherjee, Ayon, Nagy, Marton, Nam, J.D., Nasim, Md., Nayak, Kishora, Neff, Dylan, Nelson, John, Nemes, Daniel, Nie, Maowu, Nigmatkulov, Grigory, Niida, Takafumi, Nishitani, Risa, Nogach, Larisa, Nonaka, Toshihiro, Nunes, Ana Sofia, Odyniec, Grazyna, Ogawa, Akio, Oh, Saehanseul, Okorokov, Vitalii, Okubo, K., Page, Brian, Pak, Robert, Pan, Jinjin, Pandav, Ashish, Pandey, Ashutosh, Panebratsev, Yuri, Parfenov, Petr, Pinsky, Lawrence, Paul, A., Pawlik, Bogdan, Pawlowska, Diana, Perkins, Chris, Pluta, Jan, Pokhrel, Babu, Ponimatkin, Georgij, Porter, Jeff, Posik, Matthew, Prozorova, Veronika, Pruthi, Navneet Kumar, Przybycien, Mariusz, Putschke, Joern, Qiu, Hao, Quintero, Amilkar, Racz, Cameron, Radhakrishnan, Sooraj, Raha, Nandita, Ray, Lanny, Reed, Rosi, Ritter, Hans Georg, Robotkova, Monika, Rogachevskiy, Oleg, Romero, Juan, Roy, Diptanil, Ruan, Lijuan, Rusnak, Jan, Sahoo, Aswini, Sahoo, Nihar, Sako, Hiroyuki, Salur, Sevil, Samigullin, E., Sandweiss, Jack, Sato, Susumu, Schmidke, Bill, Schmitz, Norbert, Schweid, Benjamin, Seck, Florian, Seger, Janet, Sergeeva, Maria, Seto, Richard, Seyboth, Peter, Shah, Neha, Shahaliev, Ehtiram, Shanmuganathan, Prashanth, Shao, Ming, Shao, Tianhao, Sharma, R., Sheikh, Ashik Ikbal, Shen, Diyu, Shi, Shusu, Shi, Yingying, Shou, Qi-Ye, Sichtermann, Ernst, Sikora, Rafal, Simko, Miroslav, Singh, Jagbir, Singha, Subhash, Sorensen, Paul, Sinha, P., Skoby, Michael, Smirnov, Nikolai, Soehngen, Yannick, Solyst, William, Song, Youqi, Spinka, H.M., Srivastava, Brijesh, Stanislaus, Shirvel, Stefaniak, Maria, Stewart, David, Strikhanov, Mikhail, Stringfellow, Blair, Suaide, Alexandre Alarcon, Sumbera, Michal, Summa, Branden, Sun, Xiangming, Sun, Xu, Sun, Yongjie, Sun, Yuliang, Surrow, Bernd, Svirida, Dmitry, Sweger, Zachary, Szymanski, Pawel, Tang, Aihong, Tang, Zebo, Taranenko, Arkadiy, Tarnowsky, Terry, Thomas, J.H., Timmins, Anthony, Tlusty, David, Todoroki, Takahito, Tokarev, Michael, Tomkiel, Catherine, Trentalange, Steven, Tribble, Robert, Tribedy, Prithwish, Tripathy, Srikanta Kumar, Truhlar, Tomas, Trzeciak, Barbara, Tsai, Oleg, Tu, Zhoudunming (Kong), Ullrich, Thomas, Underwood, Dave, Upsal, Isaac, Van Buren, Gene, Vanek, Jan, Vasiliev, Alexander, Vassiliev, Iouri, Verkest, Veronica, Videbaek, Flemming, Vokal, Stanislav, Voloshin, Sergei, Wang, Fuqiang, Wang, Gang, Wang, Jiansong, Wang, Pengfei, Wang, Xiaofeng, Wang, Yaping, Wang, Yi, Wang, Zhen, Webb, Jason, Weidenkaff, Philipp, Wen, Liwen, Westfall, Gary, Wieman, Howard, Wissink, Scott, Witt, Richard, Wu, Jin, Wu, Junlin, Wu, Yang, Xi, Baoshan, Xiao, Zhigang, Xie, Guannan, Xie, Wei, Xu, Haojie, Xu, Nu, Xu, Qinghua, Xu, Yike, Xu, Zhangbu, Xu, Zhiwan, Yan, Gaoguo, Yang, Chi, Yang, Qian, Yang, Shuai, Yang, Yi, Ye, Zaochen, Ye, Zhenyu, Yi, Li, Yip, Kin, Yu, Yi, Zbroszczyk, Hanna, Zha, Wangmei, Zhang, ChunJian, Zhang, Dingwei, Zhang, Jinlong, Zhang, Xiaoping, Zhao, F., Zhang, Shenghui, Zhang, Song, Zhang, Yapeng, Zhang, Yifei, Zhang, Yu, Zhang, Zhe-Jia, Zhang, Zhengqiao, Zhang, Ziyue, Zhao, Jie, Zhao, M., Zhou, Chensheng, Zhou, Yingjie, Zhu, Xianglei, Zurek, Maria, and Zyzak, Maksym

Subjects
Nuclear Theory, nucl-th, hep-ex, FOS: Physical sciences, nucl-ex, High Energy Physics - Experiment, Nuclear Theory (nucl-th), High Energy Physics - Experiment (hep-ex), Nuclear Physics - Theory, High Energy Physics::Experiment, Nuclear Physics - Experiment, Nuclear Experiment (nucl-ex), Nuclear Experiment, Particle Physics - Experiment
Abstract

Understanding gluon density distributions and how they are modified in nuclei are among the most important goals in nuclear physics. In recent years, diffractive vector meson production measured in ultra-peripheral collisions (UPCs) at heavy-ion colliders has provided a new tool for probing the gluon density. In this Letter, we report the first measurement of $J/\psi$ photoproduction off the deuteron in UPCs at the center-of-mass energy $\sqrt{s_{_{\rm NN}}}=200~\rm GeV$ in d$+$Au collisions. The differential cross section as a function of momentum transfer $-t$ is measured. In addition, data with a neutron tagged in the deuteron-going Zero-Degree Calorimeter is investigated for the first time, which is found to be consistent with the expectation of incoherent diffractive scattering at low momentum transfer. Theoretical predictions based on the Color Glass Condensate saturation model and the gluon shadowing model are compared with the data quantitatively. A better agreement with the saturation model has been observed. With the current measurement, the results are found to be directly sensitive to the gluon density distribution of the deuteron and the deuteron breakup, which provides insights into the nuclear gluonic structure., Comment: Final published version Phys. Rev. Lett. 128, 122303

Published
2021

11. Experimental Results on Chiral Magnetic and Vortical Effects

Author

Wang, Gang and Wen, Liwen

Subjects
Article Subject, High Energy Physics::Phenomenology, Nuclear Experiment
Abstract

Various novel transport phenomena in chiral systems result from the interplay of quantum anomalies with magnetic field and vorticity in high-energy heavy-ion collisions and could survive the expansion of the fireball and be detected in experiments. Among them are the chiral magnetic effect, the chiral vortical effect, and the chiral magnetic wave, the experimental searches for which have aroused extensive interest. The goal of this review is to describe the current status of experimental studies at Relativistic Heavy-Ion Collider at BNL and the Large Hadron Collider at CERN and to outline the future work in experiment needed to eliminate the existing uncertainties in the interpretation of the data.

Published
2017
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14. Measurement of $^3_\Lambda$H lifetime in Au + Au collisions at the Relativistic Heavy-Ion Collider

Author

Adamczyk, Leszek, Adams, Joseph, Adkins, Kevin, Agakishiev, Geydar, Aggarwal, Madan, Ahammed, Zubayer, Ajitanand, Nuggehalli, Alekseev, Igor, Anderson, Derek, Aoyama, Ryo, Aparin, Alexey, Arkhipkin, Dmitry, Aschenauer, Elke-Caroline, Ashraf, Muhammad Usman, Attri, Anjali, Averichev, Georgy, Bai, Xiaozhi, Bairathi, Vipul, Barish, Kenneth, Behera, Arabinda, Bellwied, Rene, Bhasin, Anju, Bhati, Ashok, Bhattarai, Prabhat, Bielcik, Jaroslav, Bielcikova, Jana, Bland, Leslie, Bordyuzhin, Igor, Bouchet, Jonathan, Brandenburg, James, Brandin, Andrei, Brown, Daniel, Bryslawskyj, Jason, Bunzarov, Ivan, Butterworth, Joseph, Caines, Helen, Calderon La Barca Sanchez, Manuel, Campbell, John, Cebra, Daniel, Chakaberia, Irakli, Chaloupka, Petr, Chang, Zilong, Chankova-Bunzarova, Nedialka, Chatterjee, Arghya, Chattopadhyay, Subhasis, Chen, Xurong, Chen, Xiaolong, Chen, Jinhui, Cheng, Jianping, Cherney, Mike, Christie, Bill, Contin, Giacomo, Crawford, Hank, Das, Sabita, Dedovich, Tatiana, Deng, Jian, Deppner, Ingo, Derevschikov, Anatoly, Didenko, Lidia, Dilks, Christopher, Dong, Xin, Drachenberg, James, Draper, James, Dunlop, James, Efimov, Leonid, Elsey, Nicholas, Engelage, Jack, Eppley, Geary, Esha, Roli, Esumi, Shinichi, Evdokimov, Olga, Ewigleben, Justin, Eyser, Oleg, Fatemi, Renee, Fazio, Salvatore, Federic, Pavol, Federicova, Pavla, Fedorisin, Jan, Feng, Zhao, Filip, Peter, Finch, Evan, Fisyak, Yuri, Flores, Chris, Fujita, Jiro, Fulek, Lukasz, Gagliardi, Carl, Geurts, Frank, Gibson, Adam, Girard, Martin, Grosnick, David, Gunarathne, Devika, Guo, Yi, Gupta, Anik, Guryn, Wlodek, Hamad, Ayman, Hamed, Ahmed, Harlenderova, Alena, Harris, John, He, Liang, Heppelmann, Steven, Heppelmann, Samuel, Herrmann, Norbert, Hirsch, Andy, Horvat, Stephen, Huang, Bingchu, Huang, Te-Chuan, Huang, Xinjie, Huang, Huan, Humanic, Tom, Huo, Peng, Igo, George, Jacobs, William, Jentsch, Alexander, Jia, Jiangyong, Jiang, Kun, Jowzaee, Sedigheh, Judd, Eleanor, Kabana, Sonya, Kalinkin, Dmitry, Kang, Kejun, Kapukchyan, David, Kauder, Kolja, Ke, Hongwei, Keane, Declan, Kechechyan, Armen, Khan, Zillay, Kikola, Daniel, Kim, Chong, Kisel, Ivan, Kisiel, Adam, Kochenda, Leonid, Kocmanek, Martin, Kollegger, Thorsten, Kosarzewski, Leszek, Kraishan, Amani, Krauth, Luke, Kravtsov, Peter, Krueger, Keith, Kulathunga, Nalinda, Kumar, Lokesh, Kvapil, Jakub, Kwasizur, Joseph, Lacey, Roy, Landgraf, Jeffery, Landry, Keith, Lauret, Jerome, Lebedev, Alexei, Lednicky, Richard, Lee, Jeong-Hun, Li, Xin, Li, Wei, Li, Yuanjing, Li, Cheng, Lidrych, Jindrich, Lin, Ting, Lisa, Mike, Liu, Feng, Liu, Peifeng, Liu, Yanfang, Liu, Huanzhao, Ljubicic, Tonko, Llope, Wj, Lomnitz, Michael, Longacre, Ron, Luo, Xiaofeng, Luo, Siwei, Ma, Guo-Liang, Ma, Long, Ma, Rongrong, Ma, Yu-Gang, Magdy Abdelwahab Abdelrahman, Niseem, Majka, Richard, Mallick, Debasish, Margetis, Spiros, Markert, Christina, Matis, Howard, Mayes, David, Meehan, Kathryn, Mei, Jincheng, Miller, Zachariah, Minaev, Nikolai, Mioduszewski, Saskia, Mishra, Debadeepti, Mizuno, Sanshiro, Mohanty, Bedanga, Mondal, Mriganka, Morozov, Dmitry, Mustafa, Mustafa, Nasim, Md, Nayak, Tapan, Nelson, John, Nemes, Daniel, Nie, Maowu, Nigmatkulov, Grigory, Niida, Takafumi, Nogach, Larisa, Nonaka, Toshihiro, Nurushev, Sandibek, Odyniec, Grazyna, Ogawa, Akio, Oh, Kunsu, Okorokov, Vitalii, Olvitt Jr, Daniel, Page, Brian, Pak, Robert, Pandit, Yadav, Panebratsev, Yuri, Pawlik, Bogdan, Pei, Hua, Perkins, Chris, Pluta, Jan, Poniatowska, Katarzyna, Porter, Jeff, Posik, Matthew, Pruthi, Navneet Kumar, Przybycien, Mariusz, Putschke, Joern, Quintero, Amilkar, Ramachandran, Suvarna, Ray, Lanny, Reed, Rosi, Rehbein, Matthew, Ritter, Hans Georg, Roberts, Jay, Rogachevskiy, Oleg, Romero, Juan, Roth, Jordan, Ruan, Lijuan, Rusnak, Jan, Rusnakova, Olga, Sahoo, Nihar, Sahu, Pradip Kumar, Salur, Sevil, Sandweiss, Jack, Saur, Miroslav, Schambach, Joachim, Schmah, Alexander, Schmidke, Bill, Schmitz, Norbert, Schweid, Benjamin, Seger, Janet, Sergeeva, Maria, Seto, Richard, Seyboth, Peter, Shah, Neha, Shahaliev, Ehtiram, Shanmuganathan, Prashanth, Shao, Ming, Shen, Wen-Qing, Shi, Shusu, Shi, Zhaozhong, Shou, Qi-Ye, Sichtermann, Ernst, Sikora, Rafal, Simko, Miroslav, Singha, Subhash, Skoby, Michael, Smirnov, Nikolai, Smirnov, Dmitri, Solyst, William, Paul Sorensen, Spinka, Hal, Srivastava, Brijesh, Stanislaus, Shirvel, Stewart, David, Strikhanov, Mikhail, Stringfellow, Blair, Suaide, Alexandre Alarcon, Sugiura, Tetsuro, Sumbera, Michal, Summa, Branden, Sun, Yongjie, Sun, Xu, Sun, Xiangming, Surrow, Bernd, Svirida, Dmitry, Tang, Aihong, Tang, Zebo, Taranenko, Arkadiy, Tarnowsky, Terry, Tawfik, Abdel Nasser, Thaeder, Jochen, Thomas, Jim, Timmins, Anthony, Tlusty, David, Todoroki, Takahito, Tokarev, Michael, Trentalange, Steven, Tribble, Robert, Tribedy, Prithwish, Tripathy, Srikanta Kumar, Trzeciak, Barbara, Tsai, Oleg, Ullrich, Thomas, Underwood, Dave, Upsal, Isaac, Buren, Gene, Nieuwenhuizen, Gerrit, Vasiliev, Alexander, Videbaek, Flemming, Vokal, Stanislav, Voloshin, Sergei, Vossen, Anselm, Wang, Gang, Wang, Yaping, Wang, Fuqiang, Wang, Yi, Webb, Grant, Webb, Jason, Wen, Liwen, Westfall, Gary, Wieman, Howard, Wissink, Scott, Witt, Richard, Wu, Yang, Xiao, Zhigang, Xie, Guannan, Xie, Wei, Xu, Yi-Fei, Xu, Ji, Xu, Qinghua, Xu, Nu, Xu, Zhangbu, Yang, Shuai, Yang, Yi, Yang, Chi, Yang, Qian, Ye, Zaochen, Ye, Zhenyu, Yi, Li, Yip, Kin, Yoo, In-Kwon, Yu, Ning, Zbroszczyk, Hanna, Zha, Wangmei, Zhang, Zhengqiao, Zhang, Jinlong, Zhang, Shenghui, Zhang, Song, Zhang, Yifei, Zhang, Xiaoping, Zhang, Jingbo, Zhao, Jie, Zhong, Chen, Zhou, Long, Zhou, Chensheng, Zhu, Xianglei, Zhu, Zhanwen, and Zyzak, Maksym

15. Longitudinal Double-Spin Asymmetries for Dijet Production at Intermediate Pseudorapidity in Polarized $pp$ Collisions at $\sqrt{s}$ = 200 GeV

Author

Adam, Jaroslav, Leszek Adamczyk, Adams, Joseph, Adkins, Kevin, Agakishiev, Geydar, Aggarwal, Madan, Ahammed, Zubayer, Ajitanand, Nuggehalli, Alekseev, Igor, Anderson, Derek, Aoyama, Ryo, Aparin, Alexey, Arkhipkin, Dmitry, Aschenauer, Elke-Caroline, Ashraf, Muhammad Usman, Atetalla, Fareha, Attri, Anjali, Averichev, Georgy, Bai, Xiaozhi, Bairathi, Vipul, Barish, Kenneth, Bassill, Aj, Behera, Arabinda, Bellwied, Rene, Bhasin, Anju, Bhati, Ashok, Bielcik, Jaroslav, Bielcikova, Jana, Bland, Leslie, Bordyuzhin, Igor, Brandenburg, James, Brandin, Andrei, Brown, Daniel, Bryslawskyj, Jason, Bunzarov, Ivan, Butterworth, Joseph, Caines, Helen, Calderon La Barca Sanchez, Manuel, Campbell, John, Cebra, Daniel, Chakaberia, Irakli, Chaloupka, Petr, Chang, Feng-Han, Chang, Zilong, Chankova-Bunzarova, Nedialka, Chatterjee, Arghya, Chattopadhyay, Subhasis, Chen, Jinhui, Chen, Xiaolong, Chen, Xurong, Cheng, Jianping, Cherney, Mike, Christie, Bill, Contin, Giacomo, Crawford, Hank, Das, Sabita, Dedovich, Tatiana, Deppner, Ingo, Derevschikov, Anatoly, Didenko, Lidia, Dilks, Christopher, Dong, Xin, Drachenberg, James, Dunlop, James, Efimov, Leonid, Elsey, Nicholas, Engelage, Jack, Eppley, Geary, Esha, Roli, Esumi, Shinichi, Evdokimov, Olga, Ewigleben, Justin, Eyser, Oleg, Fatemi, Renee, Fazio, Salvatore, Federic, Pavol, Federicova, Pavla, Fedorisin, Jan, Filip, Peter, Finch, Evan, Fisyak, Yuri, Flores, Chris, Fulek, Lukasz, Gagliardi, Carl, Galatyuk, Tatyana, Geurts, Frank, Gibson, Adam, Grosnick, David, Gunarathne, Devika, Guo, Yi, Gupta, Anik, Guryn, Wlodek, Hamad, Ayman, Hamed, Ahmed, Harlenderova, Alena, Harris, John, He, Liang, Heppelmann, Steven, Heppelmann, Samuel, Herrmann, Norbert, Hirsch, Andy, Holub, Lukas, Horvat, Stephen, Huang, Xinjie, Huang, Bingchu, Huang, Shengli, Huang, Huan, Huang, Te-Chuan, Humanic, Tom, Huo, Peng, Igo, George, Jacobs, William, Jentsch, Alexander, Jia, Jiangyong, Jiang, Kun, Jowzaee, Sedigheh, Judd, Eleanor, Kabana, Sonya, Kalinkin, Dmitry, Kang, Kejun, Kapukchyan, David, Kauder, Kolja, Ke, Hongwei, Keane, Declan, Kechechyan, Armen, Kikola, Daniel, Kim, Chong, Kinghorn, Todd, Kisel, Ivan, Kisiel, Adam, Kochenda, Leonid, Kosarzewski, Leszek, Kraishan, Amani, Kramarik, Lukas, Krauth, Luke, Kravtsov, Peter, Krueger, Keith, Kulathunga, Nalinda, Kumar, Sumit, Kumar, Lokesh, Kvapil, Jakub, Kwasizur, Joseph, Lacey, Roy, Landgraf, Jeffery, Lauret, Jerome, Lebedev, Alexei, Lednicky, Richard, Lee, Jeong-Hun, Li, Xin, Li, Cheng, Li, Wei, Li, Yuanjing, Liang, Yue, Lidrych, Jindrich, Lin, Ting, Lipiec, Andrzej, Lisa, Mike, Liu, Feng, Liu, Peifeng, Liu, Huanzhao, Liu, Yanfang, Ljubicic, Tonko, Llope, Wj, Lomnitz, Michael, Longacre, Ron, Luo, Xiaofeng, Luo, Siwei, Ma, Guo-Liang, Ma, Yu-Gang, Ma, Long, Ma, Rongrong, Magdy Abdelwahab Abdelrahman, Niseem, Majka, Richard, Mallick, Debasish, Margetis, Spiros, Markert, Christina, Matis, Howard, Matonoha, Oliver, Mayes, David, Mazer, Joel, Meehan, Kathryn, Mei, Jincheng, Minaev, Nikolai, Mioduszewski, Saskia, Mishra, Debadeepti, Mohanty, Bedanga, Mondal, Mriganka, Mooney, Isaac, Morozov, Dmitry, Nasim, Md, Negrete, Jesus, Nelson, John, Nemes, Daniel, Nie, Maowu, Nigmatkulov, Grigory, Niida, Takafumi, Nogach, Larisa, Nonaka, Toshihiro, Nurushev, Sandibek, Odyniec, Grazyna, Ogawa, Akio, Oh, Kunsu, Oh, Saehanseul, Okorokov, Vitalii, Olvitt Jr, Daniel, Page, Brian, Pak, Robert, Panebratsev, Yuri, Pawlik, Bogdan, Pei, Hua, Perkins, Chris, Pluta, Jan, Porter, Jeff, Posik, Matthew, Pruthi, Navneet Kumar, Przybycien, Mariusz, Putschke, Joern, Quintero, Amilkar, Radhakrishnan, Sooraj, Ramachandran, Suvarna, Ray, Lanny, Reed, Rosi, Ritter, Hans Georg, Roberts, Jay, Rogachevskiy, Oleg, Romero, Juan, Ruan, Lijuan, Rusnak, Jan, Rusnakova, Olga, Sahoo, Nihar, Sahu, Pradip Kumar, Salur, Sevil, Sandweiss, Jack, Schambach, Joachim, Schmah, Alexander, Schmidke, Bill, Schmitz, Norbert, Schweid, Benjamin, Seck, Florian, Seger, Janet, Sergeeva, Maria, Seto, Richard, Seyboth, Peter, Shah, Neha, Shahaliev, Ehtiram, Shanmuganathan, Prashanth, Shao, Ming, Shen, Wen-Qing, Shen, Fuwang, Shi, Shusu, Shou, Qi-Ye, Sichtermann, Ernst, Siejka, Sebastian, Sikora, Rafal, Simko, Miroslav, Singha, Subhash, Smirnov, Nikolai, Smirnov, Dmitri, Solyst, William, Sorensen, Paul, Spinka, Hal, Srivastava, Brijesh, Stanislaus, Shirvel, Stewart, David, Strikhanov, Mikhail, Stringfellow, Blair, Suaide, Alexandre Alarcon, Sugiura, Tetsuro, Sumbera, Michal, Summa, Branden, Sun, Yongjie, Sun, Xu, Sun, Xiangming, Surrow, Bernd, Svirida, Dmitry, Szymanski, Pawel, Tang, Zebo, Tang, Aihong, Taranenko, Arkadiy, Tarnowsky, Terry, Thomas, Jim, Timmins, Anthony, Tlusty, David, Todoroki, Takahito, Tokarev, Michael, Tomkiel, Catherine, Trentalange, Steven, Tribble, Robert, Tribedy, Prithwish, Tripathy, Srikanta Kumar, Tsai, Oleg, Tu, Biao, Ullrich, Thomas, Underwood, Dave, Upsal, Isaac, Buren, Gene, Vanek, Jan, Vasiliev, Alexander, Vassiliev, Iouri, Videbaek, Flemming, Vokal, Stanislav, Voloshin, Sergei, Vossen, Anselm, Wang, Gang, Wang, Yaping, Wang, Fuqiang, Wang, Yi, Webb, Jason, Wen, Liwen, Westfall, Gary, Wieman, Howard, Wissink, Scott, Witt, Richard, Wu, Yang, Xiao, Zhigang, Xie, Guannan, Xie, Wei, Xu, Qinghua, Xu, Zhangbu, Xu, Ji, Xu, Yi-Fei, Xu, Nu, Yang, Shuai, Yang, Chi, Yang, Qian, Yang, Yi, Ye, Zhenyu, Ye, Zaochen, Yi, Li, Yip, Kin, Yoo, In-Kwon, Yu, Ning, Zbroszczyk, Hanna, Zha, Wangmei, Zhang, Zhengqiao, Zhang, Liang, Zhang, Yifei, Zhang, Xiaoping, Zhang, Jinlong, Zhang, Song, Zhang, Shenghui, Zhao, Jie, Zhong, Chen, Zhou, Chensheng, Zhou, Long, Zhu, Zhanwen, Zhu, Xianglei, and Zyzak, Maksym

Subjects
High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, High Energy Physics::Experiment, Nuclear Experiment (nucl-ex), Nuclear Experiment, High Energy Physics - Experiment
Abstract

We present the first measurements of the longitudinal double-spin asymmetry $A_{LL}$ for dijets with at least one jet reconstructed within the pseudorapidity range $0.8 < \eta < 1.8$. The dijets were measured in polarized $pp$ collisions at a center-of-mass energy $\sqrt{s}$ = 200 GeV. Values for $A_{LL}$ are determined for several distinct event topologies, defined by the jet pseudorapidities, and span a range of parton momentum fraction $x$ down to $x \sim$ 0.01. The measured asymmetries are found to be consistent with the predictions of global analyses that incorporate the results of previous RHIC measurements. They will provide new constraints on $\Delta g(x)$ in this poorly constrained region when included in future global analyses.

16. Probing Extreme Electromagnetic Fields with the Breit-Wheeler Process

Author

Adam, Jaroslav, Adamczyk, Leszek, Adams, Joseph, Adkins, Kevin, Agakishiev, Geydar, Aggarwal, Madan, Ahammed, Zubayer, Alekseev, Igor, Anderson, Derek, Aparin, Alexey, Aschenauer, Elke-Caroline, Ashraf, Muhammad Usman, Atetalla, Fareha, Attri, Anjali, Averichev, Georgy, Bairathi, Vipul, Barish, Kenneth, Behera, Arabinda, Bellwied, Rene, Bhasin, Anju, Bielcik, Jaroslav, Bielcikova, Jana, Bland, Leslie, Bordyuzhin, Igor, Brandenburg, James, Brandin, Andrei, Butterworth, Joseph, Caines, Helen, Calderon La Barca Sanchez, Manuel, Cebra, Daniel, Chakaberia, Irakli, Chaloupka, Petr, Brian Chan, Chang, Feng-Han, Chang, Zilong, Chankova-Bunzarova, Nedialka, Chatterjee, Arghya, Chen, Ding, Chen, Jinhui, Chen, Xiaolong, Chen, Zhenyu, Cheng, Jianping, Cherney, Mike, Chevalier, Malia, Choudhury, Subikash, Christie, Bill, Crawford, Hank, Csanad, Mate, Daugherity, Michael, Dedovich, Tatiana, Deppner, Ingo, Derevschikov, Anatoly, Didenko, Lidia, Dong, Xin, Drachenberg, James, Dunlop, James, Edmonds, Terrence, Elsey, Nicholas, Engelage, Jack, Eppley, Geary, Esha, Roli, Esumi, Shinichi, Evdokimov, Olga, Ewigleben, Justin, Eyser, Oleg, Fatemi, Renee, Fazio, Salvatore, Federic, Pavol, Fedorisin, Jan, Feng, Chan-Jui, Yicheng Feng, Filip, Peter, Finch, Evan, Fisyak, Yuri, Francisco, Audrey, Fulek, Lukasz, Gagliardi, Carl, Galatyuk, Tatyana, Geurts, Frank, Gibson, Adam, Gopal, Krishan, Grosnick, David, Guryn, Wlodek, Hamad, Ayman, Hamed, Ahmed M., Harris, John, He, Wanbing, He, Xionghong, Heppelmann, Samuel, Heppelmann, Steven, Herrmann, Norbert, Hoffman, Eric, Holub, Lukas, Yifan Hong, Horvat, Stephen, Hu, Yu, Huang, Huan, Huang, Shengli, Huang, Te-Chuan, Huang, Xinjie, Humanic, Tom, Huo, Peng, Igo, George, Isenhower, Donald, Jacobs, William, Chitrasen Jena, Jentsch, Alexander, Ji, Yuanjing, Jia, Jiangyong, Jiang, Kun, Jowzaee, Sedigheh, Ju, Xinyue, Judd, Eleanor, Kabana, Sonya, Kabir, Md Latiful, Kagamaster, Skipper, Kalinkin, Dmitry, Kang, Kejun, Kapukchyan, David, Kauder, Kolja, Ke, Hongwei, Keane, Declan, Kechechyan, Armen, Kelsey, Matthew, Khyzhniak, Yevheniia, Kikola, Daniel, Kim, Chong, Kimelman, Benjamin, Dániel Kincses, Kinghorn, Todd, Kisel, Ivan, Kiselev, Alexander, Kisiel, Adam, Klein, S. R., Michal Kocan, Kochenda, Leonid, Kosarzewski, Leszek, Kramarik, Lukas, Kravtsov, Peter, Krueger, Keith, Kulathunga Mudiyanselage, Nalinda, Kumar, Lokesh, Kunnawalkam Elayavalli, Raghav, Kwasizur, Joseph, Lacey, Roy, Lan, Shaowei, Landgraf, Jeffery, Lauret, Jerome, Lebedev, Alexei, Lednicky, Richard, Lee, Jeong-Hun, Leung, Yue-Hang, Li, Cheng, Li, Wei, Li, Xin, Li, Yuanjing, Liang, Yue, Licenik, Robert, Lin, Ting, Lin, Yufu, Lisa, Mike, Liu, Feng, Liu, Huanzhao, Liu, Peifeng, Peng Liu, Liu, Tong, Liu, Xiaoyu, Liu, Yanfang, Liu, Zhen, Ljubicic, Tonko, Llope, Wj, Longacre, Ron, Lukow, Nicholas, Luo, Siwei, Luo, Xiaofeng, Ma, Guo-Liang, Ma, Long, Ma, Rongrong, Ma, Yu-Gang, Magdy Abdelwahab Abdelrahman, Niseem, Majka, Richard, Mallick, Debasish, Margetis, Spiros, Markert, Christina, Matis, Howard, Mazer, Joel, Minaev, Nikolai, Mioduszewski, Saskia, Mohanty, Bedanga, Mooney, Isaac, Zuzana Moravcova, Morozov, Dmitry, Nagy, Marton, Nam, Jae, Nasim, Md, Nayak, Kishora, Neff, Dylan, Nelson, John, Nemes, Daniel, Nie, Maowu, Nigmatkulov, Grigory, Niida, Takafumi, Nogach, Larisa, Nonaka, Toshihiro, Odyniec, Grazyna, Ogawa, Akio, Oh, Saehanseul, Okorokov, Vitalii, Page, Brian, Pak, Robert, Pandav, Ashish, Panebratsev, Yuri, Pawlik, Bogdan, Pawlowska, Diana, Pei, Hua, Perkins, Chris, Pinsky, Lawrence, Pinter, Roland Laszlo, Pluta, Jan, Porter, Jeff, Posik, Matthew, Pruthi, Navneet Kumar, Przybycien, Mariusz, Putschke, Joern, Qiu, Hao, Quintero, Amilkar, Radhakrishnan, Sooraj, Ramachandran, Suvarna, Ray, Lanny, Reed, Rosi, Ritter, Hans Georg, Roberts, Jay, Rogachevskiy, Oleg, Romero, Juan, Ruan, Lijuan, Rusnak, Jan, Sahoo, Nihar, Hiroyuki Sako, Salur, Sevil, Sandweiss, Jack, Sato, Susumu, Schmidke, Bill, Schmitz, Norbert, Schweid, Benjamin, Seck, Florian, Seger, Janet, Sergeeva, Maria, Seto, Richard, Seyboth, Peter, Shah, Neha, Shahaliev, Ehtiram, Shanmuganathan, Prashanth, Shao, Ming, Shen, Fuwang, Shen, Wen-Qing, Shi, Shusu, Shou, Qi-Ye, Sichtermann, Ernst, Sikora, Rafal, Simko, Miroslav, Singh, Jagbir, Singha, Subhash, Smirnov, Nikolai, Solyst, William, Sorensen, Paul, Spinka, Hal, Srivastava, Brijesh, Stanislaus, Shirvel, Stefaniak, Maria, Stewart, David, Strikhanov, Mikhail, Stringfellow, Blair, Suaide, Alexandre Alarcon, Sumbera, Michal, Summa, Branden, Sun, Xiangming, Sun, Yongjie, Sun, Yuliang, Surrow, Bernd, Svirida, Dmitry, Szymanski, Pawel, Tang, Aihong, Tang, Zebo, Taranenko, Arkadiy, Tarnowsky, Terry, Thomas, Jim, Timmins, Anthony, Tlusty, David, Tokarev, Michael, Tomkiel, Catherine, Trentalange, Steven, Tribble, Robert, Tribedy, Prithwish, Tripathy, Srikanta Kumar, Tsai, Oleg, Tu, Zhoudunming, Ullrich, Thomas, Underwood, Dave, Upsal, Isaac, Buren, Gene, Vanek, Jan, Vasiliev, Alexander, Vassiliev, Iouri, Videbaek, Flemming, Vokal, Stanislav, Voloshin, Sergei, Wang, Fuqiang, Wang, Gang, Jian-Song Wang, Wang, Pengfei, Wang, Yaping, Wang, Yi, Wang, Zhen, Webb, Jason, Weidenkaff, Philipp, Wen, Liwen, Westfall, Gary, Wieman, Howard, Wissink, Scott, Witt, Richard, Wu, Yang, Xiao, Zhigang, Xie, Guannan, Xie, Wei, Xu, Haojie, Xu, Nu, Xu, Qinghua, Xu, Yi-Fei, Xu, Yike, Xu, Zhangbu, Xu, Zhiwan, Yang, Chi, Yang, Qian, Yang, Shuai, Yang, Yi, Yang, Zhenzhen, Ye, Zaochen, Ye, Zhenyu, Yi, Li, Yip, Kin, Zbroszczyk, Hanna, Zha, Wangmei, Zhang, Dingwei, Zhang, Shenghui, Zhang, Song, Zhang, Xiaoping, Zhang, Yifei, Zhang, Zhe-Jia, Zhang, Zhengqiao, Zhao, Jie, Zhong, Chen, Zhou, Chensheng, Zhu, Xianglei, Zhu, Zhanwen, Zurek, Maria, and Zyzak, Maksym

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