Author: "Z. B. Zhang" / Topic: physics - Searchworks@Jio Institute Digital Library Search Results

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13 results on '"Z. B. Zhang"'

1. How are gamma-ray burst radio afterglows populated?

Author: ShiJie Zheng, X J Li, Yong-Feng Huang, F F Su, Di Li, L. M. Song, Z B Zhang, and Keke Zhang
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), Physics, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Isotropy, FOS: Physical sciences, Flux, Astronomy and Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, Rest frame, 01 natural sciences, Galaxy, Redshift, Space and Planetary Science, 0103 physical sciences, Astrophysics - High Energy Astrophysical Phenomena, Gamma-ray burst, 010303 astronomy & astrophysics, Energy (signal processing), Line (formation)
Abstract: We systematically analyze three GRB samples named as radio-loud, radio-quiet and radio-none afterglows, respectively. It is shown that dichotomy of the radio-loud afterglows is not necessary. Interestingly, we find that the intrinsic durations ($T_{int}$), isotropic energies of prompt gamma-rays ($E_{\gamma, iso}$) and redshifts ($z$) of their host galaxies are log-normally distributed for both the radio-loud and radio-quiet samples except those GRBs without any radio detections. Based on the distinct distributions of $T_{int}$, $E_{\gamma, iso}$, the circum-burst medium density ($n$) and the isotropic equivalent energy of radio afterglows ($L_{\nu,p}$), we confirm that the GRB radio afterglows are really better to be divided into the dim and the bright types. However, it is noticeable that the distributions of flux densities ($F_{host}$) from host galaxies of both classes of radio afterglows are intrinsically quite similar. Meanwhile, we point out that the radio-none sample is also obviously different from the above two samples with radio afterglows observed, according to the cumulative frequency distributions of the $T_{int}$ and the $E_{\gamma, iso}$, together with correlations between $T_{int}$ and $z$. In addition, a positive correlation between $E_{\gamma, iso}$ and $L_{\nu,p}$ is found in the radio-loud samples especially for the supernova-associated GRBs. Besides, we also find this positive correlation in the radio-quiet sample. A negative correlation between $T_{int}$ and $z$ is confirmed to hold for the radio-quiet sample too. The dividing line between short and long GRBs in the rest frame is at $T_{int}\simeq$1 s. Consequently, we propose that the radio-loud, the radio-quiet and the radio-none GRBs could be originated from different progenitors., Comment: 20 pages, 30 figures, submitted to MNRAS
Published: 2021
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2. Defect formation in graphene during low-energy ion bombardment

Author: P. Ahlberg, F. O. L. Johansson, Z.-B. Zhang, U. Jansson, S.-L. Zhang, A. Lindblad, and T. Nyberg
Subjects: Biotechnology, TP248.13-248.65, Physics, QC1-999
Abstract: This letter reports on a systematic investigation of sputter induced damage in graphene caused by low energy Ar+ ion bombardment. The integral numbers of ions per area (dose) as well as their energies are varied in the range of a few eV’s up to 200 eV. The defects in the graphene are correlated to the dose/energy and different mechanisms for the defect formation are presented. The energetic bombardment associated with the conventional sputter deposition process is typically in the investigated energy range. However, during sputter deposition on graphene, the energetic particle bombardment potentially disrupts the crystallinity and consequently deteriorates its properties. One purpose with the present study is therefore to demonstrate the limits and possibilities with sputter deposition of thin films on graphene and to identify energy levels necessary to obtain defect free graphene during the sputter deposition process. Another purpose is to disclose the fundamental mechanisms responsible for defect formation in graphene for the studied energy range.
Published: 2016
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3. The Redshift Dependence of the Radio Flux of Gamma-Ray Bursts and Their Host Galaxies

Author: Di Li, Poonam Chandra, Yong-Feng Huang, and Z. B. Zhang
Subjects: Physics, High Energy Astrophysical Phenomena (astro-ph.HE), 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, Flux, FOS: Physical sciences, Astronomy and Astrophysics, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, Redshift, Galaxy, law.invention, Telescope, Radio telescope, Interstellar medium, Space and Planetary Science, law, 0103 physical sciences, Gamma-ray burst, Astrophysics - High Energy Astrophysical Phenomena, 010303 astronomy & astrophysics, Independence (probability theory)
Abstract: Using multiwavelength observations of radio afterglows, we confirm the hypothesis that the flux density of gamma-ray bursts (GRBs) at a fixed observing frequency is invariable when the distance of the GRBs increases, which means the detection rate will be approximately independent of redshift. We study this behavior theoretically and find that it can be well explained by the standard forward shock model involving a thin shell expanding in either a homogeneous interstellar medium (ISM) or a wind environment. We also found that short GRBs and supernova-associated GRBs, which are at relatively smaller distances, marginally match the flux-redshift relationship and they could be outliers. We rule out the assumption that the medium density evolves with redshift as $n\propto(1+z)^4$ from the current measurements of $n$ and $z$ for short and long GRBs. In addition, the possible dependence of host flux on the redshift is also investigated. We find that a similar redshift independence of the flux exists for host galaxies as well, which implies that the detection rate of radio hosts might also be independent of the redshift. It is also hinted that most radio hosts have the spectral indices ranging from $\beta_h\simeq-1$ to 2.5 in statistics. Finally, we predict the detection rates of radio afterglows by the next-generation radio telescopes such as the Five-hundred meter Aperture Spherical Telescope (FAST) and the Square Kilometer Array (SKA)., Comment: 40 pages, 11 figures and 3 tables, accepted for publication in the ApJ
Published: 2018
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4. Spectrum-energy Correlations in GRBs: Update, Reliability, and the Long/Short Dichotomy

Author: Y. X. Zhao, J. J. Luo, X. L. Han, X. L. Wang, L. Y. Jiang, R. K. Terheide, C. T. Zhang, and Z. B. Zhang
Subjects: Physics, Discriminator, Plane (geometry), Astrophysics::High Energy Astrophysical Phenomena, Astronomy and Astrophysics, Astrophysics, 01 natural sciences, Measure (mathematics), Redshift, Space and Planetary Science, 0103 physical sciences, Outlier, 010306 general physics, Gamma-ray burst, 010303 astronomy & astrophysics, Energy (signal processing), Fermi Gamma-ray Space Telescope
Abstract: Spectrum-energy correlations of peak energy with total prompt γ-ray emission energies, namely , , and , had been studied for long gamma-ray bursts (GRBs) previously by many authors. These energy correlations were proposed to measure the universe and classify GRBs as useful probes. However, most of these relations were built by non-Swift bursts. The spectrum-energy correlations of short bursts have not been systematically established yet; in particular, how the newly found GRB170817A matches these energy relations is unknown to date. We will first refresh the three spectrum-energy relations of Swift/BAT and Fermi/GBM long bursts and build the corresponding relations of short bursts. Then, we confirm whether they are commonly available as a discriminator of short and long GRBs. Some potential violators to these relations will be investigated. Combining with the plane of peak energy versus fluence, we select 31 short and 252 long GRBs with well-measured peak energy and redshift to study the issue of GRB classifications connected with the above energy relations statistically. We find that the three energy relations do exist in our new GRB samples and they are marginally consistent with some previous results. We report for the first time that short GRBs hold the three corresponding energy relations having the consistent power-law indices with long GRBs. It is found that these energy relations can be adopted to discriminate GRBs successfully if they are put in the peak energy versus fluence plane. Excitingly, we point out that GRB090510 matches the energy relations of and , but violates the relation. More excitingly, we find that GRB170817A is an outlier to all the three energy correlations.
Published: 2018
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5. Indirect optimal technique for low-thrust trajectory design in deep-space exploration

Author: Hengnian Li, Z. Che, P. Huang, and Z. B. Zhang
Subjects: Physics, Maximum principle, Deep space exploration, Control theory, Physics::Space Physics, Gravity assist, Ecliptic, Thrust, Astrophysics::Earth and Planetary Astrophysics, Trajectory optimization, Linear combination, Hamiltonian (control theory)
Abstract: The optimal technique for low-thrust trajectory optimization is concerned in this paper. In solar ecliptic coordinate, a normalized three-dimensional orbit transfer model was introduced; the optimal direction of thrust was obtained with linear combination of co-state variables while the Hamiltonian and co-state equations were also established. A switching function was introduced according to Pontryagin's Maximum Principle. The example of fuel-optimal flyby problem from the Earth to an asteroid via Mars gravity assist was given showing that gravity assist can supply extra velocity to save much of fuel.
Published: 2014
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6. The duration properties of Swift Gamma-Ray Bursts

Author: C.-S. Choi and Z.-B. Zhang
Subjects: Swift, Physics, Space and Planetary Science, Duration (music), Astrophysics::High Energy Astrophysical Phenomena, Astronomy and Astrophysics, Astrophysics, Gamma-ray burst, computer, computer.programming_language
Abstract: We report the systematic analysis of the durations for Swift gamma-ray bursts (GRBs) and compare the results with those of pre-Swift data. We show that the durations of Swift bursts also have two log-normal distributions that are clearly divided at T90 = 2 s. Their intrinsic durations also show a bimodal distribution but shift systematically toward the smaller value compared with the observed one. This study confirms the spectra of short GRBs are in general harder than the long GRBs and shows that this trend becomes weak in the source frame.
Published: 2008
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7. CORRELATION BETWEEN PEAK ENERGY AND PEAK LUMINOSITY IN SHORT GAMMA-RAY BURSTS

Author: Z. B. Zhang, Yong-Feng Huang, and D. Y. Chen
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), Physics, Photosphere, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Astrophysics::High Energy Astrophysical Phenomena, Theoretical models, FOS: Physical sciences, Synchrotron radiation, Astronomy and Astrophysics, Astrophysics, Radiation, Dissipation, Luminosity, Space and Planetary Science, Astrophysics - High Energy Astrophysical Phenomena, Gamma-ray burst, Energy (signal processing), Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: A correlation between the peak luminosity and the peak energy has been found by Yonetoku et al. as $L_{p}\propto E_{p,i}^{2.0}$ for 11 pre-Swift long gamma-ray bursts. In this study, for a greatly expanded sample of 148 long gamma-ray bursts in the Swift era, we find that the correlation still exists, but most likely with a slightly different power-law index, i.e., $L_{p}\propto E_{p,i} ^{1.7}$. In addition, we have collected 17 short gamma-ray bursts with necessary data. It is found that the correlation of $L_{p}\propto E_{p,i} ^{1.7}$ also exists for this sample of short events. It is argued that the radiation mechanism of both long and short gamma-ray bursts should be similar, i.e., of quasi-thermal origin caused by the photosphere and the dissipation occurring very near the central engine. Some key parameters of the process are constrained. Our results suggest that the radiation process of both long and short bursts may be dominated by thermal emission, rather than the single synchrotron radiation. This might put strong physical constraints on the theoretical models., Comment: 22 pages, 5 figures and 1 table, Accepted for publication in ApJ
Published: 2012
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8. Quantum Goos-Hänchen switch in graphene junctions

Author: Z B Zhang, Rui Wang, Baigeng Wang, and D Y Xing
Subjects: graphene, quantum transport, p-n junction, Goos-Hänchen effect, Science, Physics, QC1-999
Abstract: Goos-Hänchen (GH) shift, an interference phenomenon describing the lateral shift of the reflected beam along the interface during total internal reflection, has attracted great interests in the field of quantum transport in two-dimensional materials. In particular, the GH effect generates a novel pseudospin-dependent scattering effect in graphene, which in turn results in an $8e^{2}/h$ conductance step in the bipolar junctions. Here, we reveal that a barrier region with effective barrier strength χ can greatly enrich the GH effect in graphene junctions. In contrast to the conventional case where the negative shift is allowed only in the p - n junction, the thin barrier enables both negative and positive spatial shifts in p I n and n I n junctions, where I represents the barrier region. More interestingly, the lowest channel degeneracy can be efficiently varied by tuning χ in both the symmetric p I n I p and the asymmetric pn I p junctions, leading to a highly controllable switch that switches the conductance between $8e^{2}/h$ and $4e^{2}/h$ . These results advance the knowledge of GH effects in electronic materials and suggest experimental avenues for its observation and manipulation.
Published: 2023
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9. Measurement of the absolute branching fraction of D-vertical bar -> (K)over-bar(0)e(vertical bar) nu(e) via (K)over-bar(0) -> pi(0)pi(0)

Author: Ablikim, M, Achasov, N, Ai, XC, Albayrak, O, Albrecht, M, Ambrose, DJ, Amoroso, A, An, FF, An, Q, Bai, JZ, Ferroli, RB, Ban, Y, Bennett, DW, Bennett, JV, Bertani, M, Bettonin, D, Bian, JM, Bianchi, F, Boger, E, Boyko, I, Briere, RA, Cai, H, Cai, X, Cakir, O, Caleaterra, A, Cao, GF, Cetin, SA, Chang, JF, Chelkov, G, Chen, G, Chen, HS, Chen, HY, Chen, JC, Chen, ML, Chen, S, Chen, SJ, Chen, X, Chen, XR, Chen, YB, Cheng, HP, Chu, XK, Cibinetto, G, Dai, HL, Dai, JP, Dbeyssi, A, Dedovich, D, Deng, ZY, Denig, A, Denysenko, I, Destefanis, M, De Mori, F, Ding, Y, Dong, C, Dong, J, Dong, LY, Dong, MY, Dou, ZL, Du, SX, Duan, PF, Fan, JZ, Fang, J, Fang, SS, Fang, X, Fang, Y, Farinelli, R, Fava, L, Fedorov, O, Feldbauer, F, Felici, G, Feng, CQ, Fioravanti, E, Fritsch, M, Fu, CD, Gao, Q, Gao, XL, Gao, XY, Gao, Y, Gao, Z, Garzia, I, Goetzen, K, Gong, L, Gong, WX, Gradl, W, Greco, M, Gu, MH, Gu, YT, Guan, YH, Guo, AQ, Guo, LB, Guo, RP, Guo, Y, Guo, YP, Haddadi, Z, Hafner, A, Han, S, Hao, XQ, Harris, FA, He, KL, Held, T, Heng, YK, Hou, ZL, Hu, C, Hu, HM, Hu, JF, Hu, T, Hu, Y, Huang, GS, Huang, JS, Huang, XT, Huang, XZ, Huang, Y, Huang, ZL, Hussain, T, Ji, Q, Ji, QP, Ji, XB, Ji, XL, Jiang, LW, Jiang, XS, Jiang, XY, Jiao, JB, Jiao, Z, Jin, DP, Jin, S, Johansson, T, Julin, A, Kalantar-Nayestanaki, N, Kang, XL, Kang, XS, Kavatsyuk, M, Ke, BC, Kiese, P, Kliemt, R, Kloss, B, Kolc, OB, Kopf, B, Kornicer, M, Kupse, A, Kuehn, W, Lange, JS, Lara, M, Larin, P, Leng, C, Li, C, Li, DM, Li, F, Li, FY, Li, G, Li, HB, Li, HJ, Li, JC, Li, J, Li, K, Li, L, Li, PR, Li, QY, Li, T, Li, WD, Li, WG, Li, XL, Li, XN, Li, XQ, Li, YB, Li, ZB, Liang, H, Liang, YF, Liang, YT, Liao, GR, Lin, DX, Liu, B, Liu, BJ, Liu, CX, Liu, D, Liu, FH, Liu, F, Liu, HB, Liu, HH, Liu, HM, Liu, J, Liu, JB, Liu, JP, Liu, JY, Liu, K, Liu, KY, Liu, LD, Liu, PL, Liu, Q, Liu, SB, Liu, X, Liu, YB, Liu, ZA, Liu, Z, Loehner, H, Lou, XC, Lu, HJ, Lu, JG, Lu, Y, Lu, YP, Luo, CL, Luo, MX, Luo, T, Luo, XL, Lu, XR, Ma, FC, Ma, HL, Ma, LL, Ma, MM, Ma, QM, Ma, T, Ma, XN, Ma, XY, Ma, YM, Maas, FE, Maggiora, M, Mao, YJ, Mao, ZP, Marcello, S, Messchendorp, JG, Min, J, Min, TJ, Mitchell, RE, Mo, XH, Mo, YJ, Morales, CM, Muchnoi, NY, Muramatsu, H, Nefedov, Y, Nerling, F, Nikolaev, IB, Ning, Z, Nisar, S, Niu, SL, Niu, XY, Olsen, SL, Ouyang, Q, Pacetti, S, Pan, Y, Patteri, P, Pelizaeus, M, Peng, HP, Peters, K, Pettersson, J, Ping, JL, Ping, RG, Poling, R, Prasad, V, Qi, HR, Qi, M, Qian, S, Qiao, CF, Qin, LQ, Qin, N, Qin, XS, Qin, ZH, Qiu, JF, Rashid, KH, Redmer, CF, Ripka, M, Rong, G, Rosner, C, Ruan, XD, Sarantsev, A, Savrie, M, Schoenning, K, Schumann, S, Shan, W, Shao, M, Shen, CP, Shen, PX, Shen, XY, Sheng, HY, Shi, M, Song, WM, Song, XY, Sosio, S, Spataro, S, Sun, GX, Sun, JF, Sun, SS, Sun, XH, Sun, YJ, Sun, YZ, Sun, ZJ, Sun, ZT, Tang, CJ, Tang, X, Tapan, I, Thorndike, EH, Tiemens, M, Ullrich, M, Uman, I, Varner, GS, Wang, B, Wang, BL, Wang, D, Wang, DY, Wang, K, Wang, LL, Wang, LS, Wang, M, Wang, P, Wang, PL, Wang, W, Wang, WP, Wang, XF, Wang, Y, Wang, YD, Wang, YF, Wang, YQ, Wang, Z, Wang, ZG, Wang, ZH, Wang, ZY, Weber, T, Wei, DH, Weidenkaff, P, Wen, SP, Wiedner, U, Wolke, M, Wu, LH, Wu, LJ, Wu, Z, Xia, L, Xia, Y, Xiao, D, Xiao, H, Xiao, ZJ, Xie, YG, Xiu, QL, Xu, GF, Xu, JJ, Xu, L, Xu, QJ, Xu, QN, Xu, XP, Yan, L, Yan, WB, Yan, WC, Yan, YH, Yang, HJ, Yang, HX, Yang, L, Yang, YX, Ye, M, Ye, MH, Yin, JH, Yu, BX, Yu, CX, Yu, JS, Yuan, CZ, Yuan, WL, Yuan, Y, Yuncu, A, Zafar, AA, Zallo, A, Zeng, Y, Zeng, Z, Zhang, BX, Zhang, BY, Zhang, C, Zhang, CC, Zhang, DH, Zhang, HH, Zhang, HY, Zhang, J, Zhang, JJ, Zhang, JL, Zhang, JQ, Zhang, JW, Zhang, JY, Zhang, JZ, Zhang, K, Zhang, L, Zhang, SQ, Zhang, XY, Zhang, Y, Zhang, YH, Zhang, YN, Zhang, YT, Zhang, ZH, Zhang, ZP, Zhang, ZY, Zhao, G, Zhao, JW, Zhao, JY, Zhao, JZ, Zhao, L, Zhao, MG, Zhao, Q, Zhao, QW, Zhao, SJ, Zhao, TC, Zhao, YB, Zhao, ZG, Zhemchugov, A, Zheng, B, Zheng, JP, Zheng, WJ, Zheng, YH, Zhong, B, Zhou, L, Zhou, X, Zhou, XK, Zhou, XR, Zhou, XY, Zhu, K, Zhu, KJ, Zhu, S, Zhu, SH, Zhu, XL, Zhu, YC, Zhu, YS, Zhu, ZA, Zhuangig, J, Zotti, L, Zou, BS, Zou, JH, Collaboration, BESIII, Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Fizik Bölümü., Tapan, İlhan, İstanbul Arel Üniversitesi, and [Ablikim, M. -- Ai, X. C. -- An, F. F. -- Bai, J. Z. -- Cai, X. -- Caleaterra, A. -- Cao, G. F. -- Chang, J. F. -- Chen, G. -- Chen, H. S. -- Chen, J. C. -- Chen, M. L. -- Chen, X. -- Chen, Y. B. -- Dai, H. L. -- Deng, Z. Y. -- Dong, J. -- Dong, L. Y. -- Dong, M. Y. -- Duan, P. F. -- Fang, J. -- Fang, S. S. -- Fang, Y. -- Fu, C. D. -- Gao, Q. -- Gong, W. X. -- Gu, M. H. -- Guan, Y. H. -- Guo, A. Q. -- Guo, R. P. -- Guo, Y. -- He, K. L. -- Heng, Y. K. -- Hou, Z. L. -- Hu, H. M. -- Hu, T. -- Hu, Y. -- Ji, Q. -- Ji, X. B. -- Ji, X. L. -- Jiang, X. S. -- Jin, D. P. -- Jin, S. -- Kang, X. L. -- Li, F. -- Li, G. -- Li, H. B. -- Li, H. J. -- Li, J. C. -- Li, W. D. -- Li, W. G. -- Li, X. N. -- Liu, B. J. -- Liu, C. X. -- Liu, Fang -- Liu, H. H. -- Liu, H. M. -- Liu, J. -- Liu, J. Y. -- Liu, P. L. -- Liu, Z. A. -- Lou, X. C. -- Lu, J. G. -- Lu, Y. -- Lu, Y. P. -- Luo, X. L. -- Ma, H. L. -- Ma, M. M. -- Ma, Q. M. -- Ma, T. -- Ma, X. Y. -- Mao, Z. P. -- Min, J. -- Min, T. J. -- Mo, X. H. -- Ning, Z. -- Niu, S. L. -- Niu, X. Y. -- Ouyang, Q. -- Ping, R. G. -- Prasad, V. -- Qian, S. -- Qin, X. S. -- Qin, Z. H. -- Qiu, J. F. -- Rong, G. -- Shen, X. Y. -- Sheng, H. Y. -- Shi, M. -- Song, W. M. -- Song, X. Y. -- Sun, G. X. -- Sun, S. S. -- Sun, X. H. -- Sun, Y. Z. -- Sun, Z. J. -- Tang, X. -- Wang, K. -- Wang, L. L. -- Wang, L. S. -- Wang, P. -- Wang, P. L. -- Wang, W. -- Wang, Y. F. -- Wang, Z. -- Wang, Z. G. -- Wang, Z. Y. -- Wen, S. P. -- Wu, L. H. -- Wu, L. J. -- Wu, Z. -- Xiao, H. -- Xiu, Q. L. -- Xu, G. F. -- Xu, J. J. -- Xu, L. -- Xu, Q. J. -- Yang, H. X. -- Ye, M. -- Yin, J. H. -- Yu, B. X. -- Yuan, C. Z. -- Yuan, Y. -- Zhang, B. X. -- Zhang, B. Y. -- Zhang, C. C. -- Zhang, D. H. -- Zhang, H. Y. -- Zhang, J. -- Zhang, J. J. -- Zhang, J. L. -- Zhang, J. Q. -- Zhang, J. W. -- Zhang, J. Y. -- Zhang, J. Z. -- Zhang, K. -- Zhang, L. -- Zhang, Y. -- Zhang, Y. H. -- Zhao, G. -- Zhao, J. W. -- Zhao, J. Y. -- Zhao, J. Z. -- Zhao, Ling -- Zhao, Q. -- Zhao, Q. W. -- Zhao, T. C. -- Zhao, Y. B. -- Zheng, J. P. -- Zhou, L. -- Zhou, X. Y. -- Zhu, K. -- Zhu, K. J. -- Zhu, S. -- Zhu, Y. S. -- Zhu, Z. A. -- Zhuangig, J. -- Zou, B. S. -- Zou, J. H.] Inst High Energy Phys, Beijing 100049, Peoples R China -- [Chen, H. Y. -- Gao, X. Y. -- Li, Y. B. -- Qi, H. R. -- Shen, C. P.] Beihang Univ, Beijing 100191, Peoples R China -- [Li, Lei] Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China -- [Albrecht, M. -- Chen, S. -- Held, T. -- Huang, G. S. -- Kopf, B. -- Pelizaeus, M. -- Wiedner, U.] Ruhr Univ Bochum, D-44780 Bochum, Germany -- [Albayrak, O. -- Bennett, J. V. -- Briere, R. A. -- Ke, B. C.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA -- [Liu, Feng -- Mo, Y. J. -- Zhang, Z. H.] Cent China Normal Univ, Wuhan 430079, Peoples R China -- [Ye, M. H.] China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China -- [Nisar, S.] COMSATS Inst Informat Technol, Def Rd,Raiwind Rd, Lahore 54000, Pakistan -- [Achasov, N. -- Muchnoi, N. Yu. -- Nikolaev, I. B.] GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia -- [Goetzen, K. -- Peters, K.] GSI Helmholtzctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany -- [Liao, G. R. -- Wei, D. H. -- Yang, Y. X.] Guangxi Normal Univ, Guilin 541004, Peoples R China -- [Gu, Y. T. -- Liu, H. B. -- Ruan, X. D.] Guangxi Univ, Nanning 530004, Peoples R China -- [Li, K. -- Xu, Q. N.] Hangzhou Normal Univ, Hangzhou 310036, Zhejiang, Peoples R China -- [Dbeyssi, A. -- Fritsch, M. -- Kliemt, R. -- Larin, P. -- Lin, D. X. -- Maas, F. E. -- Morales, C. Morales -- Nerling, F. -- Rosner, Ch. -- Wang, Y. D.] Helmholtz Inst Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany -- [Hao, X. Q. -- Huang, J. S. -- Sun, J. F.] Henan Normal Univ, Xinxiang 453007, Peoples R China -- [Lara, M. -- Liu, H. H.] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China -- [Cheng, H. P. -- Jiao, Z. -- Lu, H. J.] Huangshan Coll, Huangshan 245000, Peoples R China -- [Xiao, D. -- Zeng, Y.] Hunan Univ, Changsha 410082, Hunan, Peoples R China -- [Bennett, D. W. -- Mitchell, R. E. -- Sun, Z. T.] Indiana Univ, Bloomington, IN 47405 USA -- [Ferroli, R. Baldini -- Bertani, M. -- Caleaterra, A. -- Felici, G. -- Patteri, P. -- Zallo, A.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy -- [Pacetti, S.] Ist Nazl Fis Nucl, I-06100 Perugia, Italy -- [Pacetti, S.] Univ Perugia, I-06100 Perugia, Italy -- [Bettonin, D. -- Cibinetto, G. -- Farinelli, R. -- Fioravanti, E.] Ist Nazl Fis Nucl, Sez Ferrara, I-44122 Ferrara, Italy -- [Farinelli, R. -- Savrie, M.] Univ Ferrara, I-44122 Ferrara, Italy -- [Denig, A. -- Feldbauer, F. -- Fritsch, M. -- Gradl, W. -- Guo, Y. P. -- Hafner, A. -- Kiese, P. -- Kloss, B. -- Liu, Zhiqing -- Redmer, C. F. -- Ripka, M. -- Schumann, S. -- Wang, Y. Q. -- Weber, T. -- Weidenkaff, P.] Johannes Gutenberg Univ Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany -- [Boger, E. -- Boyko, I. -- Chelkov, G. -- Dedovich, D. -- Denysenko, I. -- Fedorov, O. -- Nefedov, Y. -- Sarantsev, A. -- Zhemchugov, A.] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia -- [Kuehn, W. -- Lange, J. S. -- Liang, Y. T. -- Ullrich, M.] Univ Giessen, Inst Phys 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany -- [Haddadi, Z. -- Kalantar-Nayestanaki, N. -- Kavatsyuk, M. -- Loehner, H. -- Messchendorp, J. G. -- Tiemens, M.] Univ Groningen, KVI CART, NL-9747 AA Groningen, Netherlands -- [Chen, X. R. -- Liu, X. -- Yu, J. S.] Lanzhou Univ, Lanzhou 730000, Peoples R China -- [Ding, Y. -- Huang, Z. L. -- Liu, K. Y. -- Ma, F. C.] Liaoning Univ, Shenyang 110036, Peoples R China -- [Guo, L. B. -- Hu, C. -- Luo, C. L. -- Ping, J. L. -- Xie, Y. G. -- Zhong, B.] Nanjing Normal Univ, Nanjing 210023, Jiangsu, Peoples R China -- [Chen, S. J. -- Dou, Z. 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B. -- Dai, H. L. -- Dong, J. -- Dong, M. Y. -- Fang, J. -- Fang, X. -- Gao, Z. -- Garzia, I. -- Gu, M. H. -- Heng, Y. K. -- Hu, T. -- Huang, G. S. -- Ji, X. L. -- Jiang, X. S. -- Jin, D. P. -- Li, F. -- Li, X. N. -- Liang, H. -- Liu, D. -- Liu, J. B. -- Liu, P. L. -- Liu, S. B. -- Liu, Z. A. -- Lou, X. C. -- Lu, J. G. -- Lu, Y. P. -- Luo, X. L. -- Ma, X. Y. -- Min, J. -- Mo, X. H. -- Ning, Z. -- Niu, S. L. -- Ouyang, Q. -- Pan, Y. -- Peng, H. P. -- Qian, S. -- Qin, Z. H. -- Shao, M. -- Sun, Y. J. -- Sun, Z. J. -- Wang, K. -- Wang, W. -- Wang, W. P. -- Wang, Y. F. -- Wang, Z. -- Wang, Z. G. -- Wang, Z. H. -- Wu, Z. -- Xiu, Q. L. -- Xu, G. F. -- Yan, W. C. -- Ye, M. -- Yu, B. X. -- Zeng, Z. -- Zhang, B. Y. -- Zhang, H. Y. -- Zhang, J. W. -- Zhang, Y. H. -- Zhang, Y. T. -- Zhao, J. W. -- Zhao, J. Z. -- Zhao, Lei -- Zhao, Y. B. -- Zhao, Z. G. -- Zheng, J. P. -- Zhou, L. -- Zhou, X. K. -- Zhou, X. R. -- Zhu, K. J. -- Zhu, Y. 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Subjects: Semileptonic decays, E(+)E(-), Physics, semileptonic decays, Monte-carlo, Physics, particles & fields, Absolute branching fraction, Physics, nuclear, Charmed mesons, CP Violation, Deterioration, CKM Matrix, charmed mesons, BESIII/BEPCII, absolute branching fraction
Abstract: WOS: 000389144400002, By analyzing 2.93 fb(-1) data collected at the center-of-mass energy root s = 3.773 GeV with the BESIII detector, we measure the absolute branching fraction of the semileptonic decay D+ -> (K) over bar (0)e(+)nu(e) to be B(D (+) -> (K) over bar (0)e(+)nu(e)) = (8.59 +/- 0.14 +/- 0.21)% using (K) over bar (0) -> K-S(0) -> pi(0) pi(0), where the first uncertainty is statistical and the second systematic. Our result is consistent with previous measurements within uncertainties.., National Key Basic Research Program of China [2009CB825204, 2015CB856700]; National Natural Science Foundation of China (NSFC) [10935007, 11125525, 11235011, 11305180, 11322544, 11335008, 11425524, 11475123, 11405046, U1332103]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; CAS Center for Excellence in Particle Physics (CCEPP); Collaborative Innovation Center for Particles and Interactions (CICPI); Joint Large-Scale Scientific Facility Funds of NSFC [11179007, U1232201, U1332201, U1532101]; Joint Large-Scale Scientific Facility Funds of CAS [KJCX2-YW-N29, KJCX2-YW-N45]; 100 Talents Program of CAS; National 1000 Talents Program of China; IN-PAC and Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG (Collaborative Research Center) [CRC-1044]; Istituto Nazionale di Fisica Nucleare, Italy; Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) [530-4CDP03]; Ministry of Development of Turkey [DPT2006K-120470]; National Natural Science Foundation of China (NSFC); Russian Foundation for Basic Research [14-07-91152]; Swedish Resarch Council; U. S. Department of Energy [DE-FG02-04ER41291, DE-FG02-05ER41374, DE-SC0012069, DESC0010118]; U.S. National Science Foundation; University of Groningen (RuG); Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea [R32-2008-000-10155-0], Supported by National Key Basic Research Program of China (2009CB825204, 2015CB856700), National Natural Science Foundation of China (NSFC) (10935007, 11125525, 11235011, 11305180, 11322544, 11335008, 11425524, 11475123), Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program, CAS Center for Excellence in Particle Physics (CCEPP), Collaborative Innovation Center for Particles and Interactions (CICPI), Joint Large-Scale Scientific Facility Funds of NSFC and CAS (11179007, U1232201, U1332201, U1532101), CAS (KJCX2-YW-N29, KJCX2-YW-N45), 100 Talents Program of CAS, National 1000 Talents Program of China, IN-PAC and Shanghai Key Laboratory for Particle Physics and Cosmology, German Research Foundation DFG (Collaborative Research Center CRC-1044), Istituto Nazionale di Fisica Nucleare, Italy, Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) (530-4CDP03), Ministry of Development of Turkey (DPT2006K-120470), National Natural Science Foundation of China (NSFC) (11405046, U1332103), Russian Foundation for Basic Research (14-07-91152), Swedish Resarch Council, U. S. Department of Energy (DE-FG02-04ER41291, DE-FG02-05ER41374, DE-SC0012069, DESC0010118), U.S. National Science Foundation, University of Groningen (RuG) and Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt, WCU Program of National Research Foundation of Korea (R32-2008-000-10155-0).
Published: 2016
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10. Measurements of absolute hadronic branching fractions of the lambda(+)(c) baryon

Author: Ablikim, M., Achasov, M. N., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., Amoroso, A., An, F. F., An, Q., Bai, J. Z., Ferroli, R. Baldini, Ban, Y., Bennett, D. W., Bennett, J. V., Bertani, M., Bettoni, D., Bian, J. M., Bianchi, F., Boger, E., Boyko, I., Briere, R. A., Cai, H., Cai, X., Cakir, O., Calcaterra, A., Cao, G. F., Cetin, S. A., Chang, J. F., Chelkov, G., Chen, G., Chen, H. S., Chen, H. Y., Chen, J. C., Chen, M. L., Chen, S. J., Chen, X., Chen, X. R., Chen, Y. B., Cheng, H. P., Chu, X. K., Cibinetto, G., Dai, H. L., Dai, J. P., Dbeyssi, A., Dedovich, D., Deng, Z. Y., Denig, A., Denysenko, I., Destefanis, M., De Mori, F., Ding, Y., Dong, C., Dong, J., Dong, L. Y., Dong, M. Y., Dou, Z. L., Du, S. X., Duan, P. F., Eren, E. E., Fan, J. Z., Fang, J., Fang, S. S., Fang, X., Fang, Y., Farinelli, R., Fava, L., Fedorov, O., Feldbauer, F., Felici, G., Feng, C. Q., Fioravanti, E., Fritsch, M., Fu, C. D., Gao, Q., Gao, X. L., Gao, X. Y., Gao, Y., Gao, Z., Garzia, I., Goetzen, K., Gong, L., Gong, W. X., Gradl, W., Greco, M., Gu, M. H., Gu, Y. T., Guan, Y. H., Guo, A. Q., Guo, L. B., Guo, Y., Guo, Y. P., Haddadi, Z., Hafner, A., Han, S., Hao, X. Q., Harris, F. A., He, K. L., Held, T., Heng, Y. K., Hou, Z. L., Hu, C., Hu, H. M., Hu, J. F., Hu, T., Hu, Y., Huang, G. S., Huang, J. S., Huang, X. T., Huang, Y., Hussain, T., Ji, Q., Ji, Q. P., Ji, X. B., Ji, X. L., Jiang, L. W., Jiang, X. S., Jiang, X. Y., Jiao, J. B., Jiao, Z., Jin, D. P., Jin, S., Johansson, T., Julin, A., Kalantar-Nayestanaki, N., Kang, X. L., Kang, X. S., Kavatsyuk, M., Ke, B. C., Kiese, P., Kliemt, R., Kloss, B., Kolcu, O. B., Kopf, B., Kornicer, M., Kuehn, W., Kupsc, A., Lange, J. S., Lara, M., Larin, P., Leng, C., Li, C., Li, Cheng, Li, D. M., Li, F., Li, F. Y., Li, G., Li, H. B., Li, J. C., Li, Jin, Li, K., Li, Lei, Li, P. R., Li, Q. Y., Li, T., Li, W. D., Li, W. G., Li, X. L., Li, X. M., Li, X. N., Li, X. Q., Li, Z. B., Liang, H., Liang, Y. 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Y. -- Fang, J. -- Fang, X. -- Feng, C. Q. -- Gao, X. L. -- Gao, Z. -- Gong, W. X. -- Gu, M. H. -- Heng, Y. K. -- Hu, T. -- Huang, G. S. -- Ji, X. L. -- Jiang, X. S. -- Jin, D. P. -- Lange, J. S. -- Li, Cheng -- Li, F. -- Li, X. N. -- Liang, H. -- Liu, D. -- Liu, J. B. -- Liu, P. L. -- Liu, S. B. -- Liu, Z. A. -- Lou, X. C. -- Lu, J. G. -- Lu, Y. P. -- Luo, X. L. -- Ma, X. Y. -- Min, J. -- Mo, X. H. -- Ning, Z. -- Niu, S. L. -- Ouyang, Q. -- Pan, Y. -- Peng, H. P. -- Qian, S. -- Qin, Z. H. -- Shao, M. -- Sun, Y. J. -- Sun, Z. J. -- Wang, K. -- Wang, W. -- Wang, W. P. -- Wang, Y. F. -- Wang, Z. -- Wang, Z. G. -- Wang, Z. H. -- Wu, Z. -- Xia, L. -- Xie, Y. G. -- Xiu, Q. L. -- Yan, W. B. -- Yan, W. C. -- Ye, M. -- Zeng, Z. -- Zhang, B. Y. -- Zhang, H. Y. -- Zhang, J. W. -- Zhang, Y. H. -- Zhang, Y. T. -- Zhao, J. W. -- Zhao, J. Z. -- Zhao, Lei -- Zhao, Y. B. -- Zhao, Z. G. -- Zheng, J. P. -- Zhou, L. -- Zhou, X. K. -- Zhou, X. R. -- Zhu, K. J. -- Zhu, Y. C. -- Zhuang, J.] State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R China -- [Yuncu, A.] Bogazici Univ, TR-34342 Istanbul, Turkey -- [Boger, E. -- Chelkov, G. -- Zhemchugov, A.] Moscow Inst Phys & Technol, Moscow 141700, Russia -- [Chelkov, G.] Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia -- [Achasov, M. N. -- Muchnoi, N. Yu. -- Nikolaev, I. B.] Novosibirsk State Univ, Novosibirsk 630090, Russia -- [Sarantsev, A.] NRC Kurchatov Inst, PNPI, Gatchina 188300, Russia -- [Lou, X. C.] Univ Texas Dallas, Dallas, TX 75083 USA -- [Kolcu, O. B.] Istanbul Arel Univ, TR-34295 Istanbul, Turkey
Subjects: Hadronic decays, Germanium compounds, Physics, Deterioration, Elementary Particles, Octets, Hadronic branching fractions, Uncertainty analysis, Branching fractions, Measurements of, Decay, Hadrons, Global least squares, Decay mode, Physics, multidisciplinary
Abstract: WOS: 000369495000005, PubMed ID: 26894702, We report the first measurement of absolute hadronic branching fractions of Lambda(+)(c) baryon at the Lambda(+)(c)(Lambda) over bar (-)(c) production threshold, in the 30 years since the Lambda(+)(c) discovery. In total, 12 Cabibbo-favored Lambda(+)(c) hadronic decay modes are analyzed with a double-tag technique, based on a sample of 567 pb(-1) of e(+)e(-) collisions at root s = 4.599 GeV recorded with the BESIII detector. A global least-squares fitter is utilized to improve the measured precision. Among the measurements for twelve Lambda(+)(c) decay modes, the branching fraction for Lambda(+)(c) -> pK(-)pi(+) is determined to be (5.84 +/- 0.27 +/- 0.23)%, where the first uncertainty is statistical and the second is systematic. In addition, the measurements of the branching fractions of the other 11 Cabibbo-favored hadronic decay modes are significantly improved., National Key Basic Research Program of China [2015CB856700]; National Natural Science Foundation of China (NSFC) [11125525, 11235011, 11275266, 11322544, 11335008, 11425524, 11405046, U1332103]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; CAS Center for Excellence in Particle Physics (CCEPP); Collaborative Innovation Center for Particles and Interactions (CICPI); Joint Large-Scale Scientific Facility Funds of the NSFC; CAS [11179007, U1232201, U1332201, KJCX2-YW-N29, KJCX2-YW-N45]; 100 Talents Program of CAS; National 1000 Talents Program of China; INPAC; Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG [Collaborative Research Center CRC-1044]; Istituto Nazionale di Fisica Nucleare, Italy; Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) [530-4CDP03]; Ministry of Development of Turkey [DPT2006K-120470]; Russian Foundation for Basic Research [14-07-91152]; Swedish Resarch Council; U.S. Department of Energy [DE-FG02-04ER41291, DE-FG02-05ER41374, DE-SC0012069, DESC0010118]; U.S. National Science Foundation; University of Groningen (RuG); Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea [R32-2008-000-10155-0], The BESIII Collaboration thanks the staff of BEPCII and the IHEP computing center for their strong support. This work is supported in part by National Key Basic Research Program of China under Contract No. 2015CB856700; National Natural Science Foundation of China (NSFC) under Contracts No. 11125525, No. 11235011, No. 11275266, No. 11322544, No. 11335008, and No. 11425524; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the CAS Center for Excellence in Particle Physics (CCEPP); the Collaborative Innovation Center for Particles and Interactions (CICPI); Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contracts No. 11179007, No. U1232201, and No. U1332201; CAS under Contracts No. KJCX2-YW-N29 and No. KJCX2-YW-N45; 100 Talents Program of CAS; National 1000 Talents Program of China; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG under Contract No. Collaborative Research Center CRC-1044; Istituto Nazionale di Fisica Nucleare, Italy; Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) under Contract No. 530-4CDP03; Ministry of Development of Turkey under Contract No. DPT2006K-120470; National Natural Science Foundation of China (NSFC) under Contracts No. 11405046 and No. U1332103; Russian Foundation for Basic Research under Contract No. 14-07-91152; The Swedish Resarch Council; U.S. Department of Energy under Contracts No. DE-FG02-04ER41291, No. DE-FG02-05ER41374, No. DE-SC0012069, and No. DESC0010118; U.S. National Science Foundation; University of Groningen (RuG) and the Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; and WCU Program of National Research Foundation of Korea under Contract No. R32-2008-000-10155-0.
Published: 2016

11. Observation of e(+)e(-) -> omega chi(c1,2) near root s=4.42 and 4.6 GeV

Author: Ablikim, M., Achasov, M. N., Ai, X. C., Albayrak, O., Albrecht, M., Ambrose, D. J., Amoroso, A., An, F. F., An, Q., Bai, J. Z., Ferroli, R. Baldini, Ban, Y., Bennett, D. W., Bennett, J. V., Bertani, M., Bettoni, D., Bian, J. M., Bianchi, F., Boger, E., Boyko, I., Briere, R. A., Cai, H., Cai, X., Cakir, O., Calcaterra, A., Cao, G. F., Cetin, S. A., Chang, J. F., Chelkov, G., Chen, G., Chen, H. S., Chen, H. Y., Chen, J. C., Chen, M. L., Chen, S. J., Chen, X., Chen, X. R., Chen, Y. B., Cheng, H. P., Chu, X. K., Cibinetto, G., Dai, H. L., Dai, J. P., Dbeyssi, A., Dedovich, D., Deng, Z. Y., Denig, A., Denysenko, I., Destefanis, M., De Mori, F., Ding, Y., Dong, C., Dong, J., Dong, L. Y., Dong, M. Y., Dou, Z. L., Du, S. X., Duan, P. F., Eren, E. E., Fan, J. Z., Fang, J., Fang, S. S., Fang, X., Fang, Y., Farinelli, R., Fava, L., Fedorov, O., Feldbauer, F., Felici, G., Feng, C. Q., Fioravanti, E., Fritsch, M., Fu, C. D., Gao, Q., Gao, X. L., Gao, X. Y., Gao, Y., Gao, Z., Garzia, I., Goetzen, K., Gong, L., Gong, W. X., Gradl, W., Greco, M., Gu, M. H., Gu, Y. T., Guan, Y. H., Guo, A. Q., Guo, L. B., Guo, Y., Guo, Y. P., Haddadi, Z., Hafner, A., Han, S., Hao, X. Q., Harris, F. A., He, K. L., Held, T., Heng, Y. K., Hou, Z. L., Hu, C., Hu, H. M., Hu, J. F., Hu, T., Hu, Y., Huang, G. S., Huang, J. S., Huang, X. T., Huang, Y., Hussain, T., Ji, Q., Ji, Q. P., Ji, X. B., Ji, X. L., Jiang, L. W., Jiang, X. S., Jiang, X. Y., Jiao, J. B., Jiao, Z., Jin, D. P., Jin, S., Johansson, T., Julin, A., Kalantar-Nayestanaki, N., Kang, X. L., Kang, X. S., Kavatsyuk, M., Ke, B. C., Kiese, P., Kliemt, R., Kloss, B., Kolcu, O. B., Kopf, B., Kornicer, M., Kuehn, W., Kupsc, A., Lange, J. S., Lara, M., Larin, P., Leng, C., Li, C., Li, C. H., Li, Cheng, Li, D. M., Li, F., Li, F. Y., Li, G., Li, H. B., Li, J. C., Li, Jin, Li, K., Li, Lei, Li, P. R., Li, Q. Y., Li, T., Li, W. D., Li, W. G., Li, X. L., Li, X. M., Li, X. N., Li, X. Q., Li, Z. 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H.] Univ Rochester, Rochester, NY 14627 USA -- [Zhu, S. H.] Univ Sci & Technol Liaoning, Anshan 114051, Liaoning, Peoples R China -- [An, Q. -- Fang, X. -- Feng, C. Q. -- Gao, X. L. -- Gao, Z. -- Huang, G. S. -- Li, Cheng -- Liang, H. -- Liu, D. -- Liu, J. B. -- Liu, S. B. -- Pan, Y. -- Peng, H. P. -- Shao, M. -- Sun, Y. J. -- Wang, W. P. -- Wang, Z. H. -- Xia, L. -- Yan, W. B. -- Yan, W. C. -- Zeng, Z. -- Zhang, Y. T. -- Zhang, Z. P. -- Zhao, Lei -- Zhao, Z. G. -- Zhou, X. K. -- Zhou, X. R. -- Zhu, Y. C.] Univ Sci & Technol China, Anhua 230026, Peoples R China -- [Xiao, H. -- Zheng, B.] Univ South China, Hengyang 421001, Peoples R China -- [Hussain, T. -- Rashid, K. H. -- Zafar, A. A.] Univ Punjab, Lahore 54590, Pakistan -- [Amoroso, A. -- Bianchi, F. -- Destefanis, M. -- De Mori, F. -- Greco, M. -- Hu, J. F. -- Maggiora, M. -- Marcello, S. -- Sosio, S. -- Spataro, S. -- Yan, L. -- Zotti, L.] Univ Turin, I-10125 Turin, Italy -- [Fava, L. -- Yuncu, A.] Univ Piemonte Orientale, I-15121 Alessandria, Italy -- [Amoroso, A. -- Bianchi, F. -- Destefanis, M. -- De Mori, F. -- Fava, L. -- Greco, M. -- Hu, J. F. -- Leng, C. -- Maggiora, M. -- Marcello, S. -- Sosio, S. -- Spataro, S. -- Yan, L. -- Zotti, L.] Ist Nazl Fis Nucl, I-10125 Turin, Italy -- [Johansson, T. -- Kupsc, A. -- Li, C. -- Pettersson, J. -- Schoenning, K. -- Wolke, M.] Uppsala Univ, SE-75120 Uppsala, Sweden -- [Cai, H. -- Han, S. -- Jiang, L. W. -- Liu, J. P. -- Qin, N. -- Yang, L. -- Zhang, Z. Y. -- Zhou, X.] Wuhan Univ, Wuhan 430072, Peoples R China -- [Luo, M. X.] Zhejiang Univ, Hangzhou 310027, Zhejiang, Peoples R China -- [Du, S. X. -- Li, D. M. -- Zhao, S. J.] Zhengzhou Univ, Zhengzhou 450001, Peoples R China -- [Kolcu, O. B.] Istanbul Arel Univ, TR-34295 Istanbul, Turkey -- [Chelkov, G.] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Russia -- [Chelkov, G.] Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Subjects: Physics, Charmonium, Deterioration, Mesons, Astronomy & astrophysics, Physics, particles & fields
Abstract: WOS: 000368324600002, Based on data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies root s > 4.4 GeV, the processes e(+)e(-) -> omega chi(c1,2) are observed for the first time. With an integrated luminosity of 1074 pb(-1) near root s = 4.42 GeV, a significant omega chi(c2) signal is found, and the cross section is measured to be (20.9 +/- 3.2 +/- 2.5) pb. With 567 pb(-1) near root s = 4.6 GeV, a clear omega chi(c2) signal is seen, and the cross section is measured to be (9.5 +/- 2.1 +/- 1.3) pb, while evidence is found for an omega chi(c2) signal. The first errors are statistical, and the second are systematic. Due to low luminosity or low cross section at other energies, no significant signals are observed. In the omega chi(c2) cross section, an enhancement is seen around root s = 4.42 GeV. Fitting the cross section with a coherent sum of the psi(4415) Breit-Wigner function and a phase-space term, the branching fraction B(psi(4415) -> omega chi(c2)) is obtained to be of the order of 10(-3)., National Key Basic Research Program of China [2015CB856700]; National Natural Science Foundation of China (NSFC) [11125525, 11235011, 11322544, 11335008, 11425524]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; NSFC [11179007, U1232201, U1332201]; CAS [11179007, U1232201, U1332201, KJCX2-YW-N29, KJCX2-YW-N45]; 100 Talents Program of CAS; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG [Collaborative Research Center CRC-1044]; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey [DPT2006K-120470]; Russian Foundation for Basic Research [14-07-91152]; U.S. Department of Energy [DE-FG02-04ER41291, DE-FG02-05ER41374, DE-FG02-94ER40823, DESC0010118]; U.S. National Science Foundation; University of Groningen (RuG) and the Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea [R32-2008-000-10155-0], The BESIII collaboration thanks the staff of BEPCII and the IHEP computing center for their strong support. This work is supported in part by National Key Basic Research Program of China under Contract No. 2015CB856700; National Natural Science Foundation of China (NSFC) under Contracts No. 11125525, No. 11235011, No. 11322544, No. 11335008, No. 11425524; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contracts No. 11179007, No. U1232201, No. U1332201; CAS under Contracts No. KJCX2-YW-N29, No. KJCX2-YW-N45; 100 Talents Program of CAS; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG under Contract No. Collaborative Research Center CRC-1044; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Contract No. DPT2006K-120470; Russian Foundation for Basic Research under Contract No. 14-07-91152; U.S. Department of Energy under Contracts No. DE-FG02-04ER41291, No. DE-FG02-05ER41374, No. DE-FG02-94ER40823, No. DESC0010118; U.S. National Science Foundation; University of Groningen (RuG) and the Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea under Contract No. R32-2008-000-10155-0.
Published: 2016

12. Measurement of the e(+)e(-) -> pi(+) pi(-) cross section between 600 and 900 MeV using initial state radiation

Author: Ablikim, M, Achasov, MN, Ai, XC, Albayrak, O, Albrecht, M, Ambrose, DJ, Amoroso, A, An, FF, An, Q, Bai, JZ, Ferroli, RB, Ban, Y, Bennett, DW, Bennett, JV, Bertani, M, Bettoni, D, Bian, JM, Bianchi, F, Boger, E, Boyko, I, Briere, RA, Cai, H, Cai, X, Cakir, O, Calcaterra, A, Cao, GF, Cetin, SA, Chang, JF, Chelkov, G, Chen, G, Chen, HS, Chen, HY, Chen, JC, Chen, ML, Chen, SJ, Chen, X, Chen, XR, Chen, YB, Cheng, HP, Chu, XK, Cibinetto, G, Dai, HL, Dai, JP, Dbeyssi, A, Dedovich, D, Deng, ZY, Denig, A, Denysenko, I, Destefanis, M, De Mori, F, Ding, Y, Dong, C, Dong, J, Dong, LY, Dong, MY, Du, SX, Duan, PF, Eren, EE, Fan, JZ, Fang, J, Fang, SS, Fang, X, Fang, Y, Fava, L, Feldbauer, F, Felici, G, Feng, CQ, Fioravanti, E, Fritsch, M, Fu, CD, Gao, Q, Gao, XY, Gao, Y, Gao, Z, Garzia, I, Goetzen, K, Gong, WX, Gradl, W, Greco, M, Gu, MH, Gu, YT, Guan, YH, Guo, AQ, Guo, LB, Guo, Y, Guo, YP, Haddadi, Z, Hafner, A, Han, S, Hao, XQ, Harris, FA, He, KL, He, XQ, Held, T, Heng, YK, Hou, ZL, Hu, C, Hu, HM, Hu, JF, Hu, T, Hu, Y, Huang, GM, Huang, GS, Huang, JS, Huang, XT, Huang, Y, Hussain, T, Ji, Q, Ji, QP, Ji, XB, Ji, XL, Jiang, LW, Jiang, XS, Jiang, XY, Jiao, JB, Jiao, Z, Jin, DP, Jin, S, Johansson, T, Julin, A, Kalantar-Nayestanaki, N, Kang, XL, Kang, XS, Kavatsyuk, M, Ke, BC, Kiese, P, Kliemt, R, Kloss, B, Kolcu, OB, Kopf, B, Kornicer, M, Kuehn, W, Kupsc, A, Lange, JS, Lara, M, Larin, P, Leng, C, Li, C, Li, DM, Li, F, Li, FY, Li, G, Li, HB, Li, JC, Li, J, Li, K, Li, L, Li, PR, Li, T, Li, WD, Li, WG, Li, XL, Li, XM, Li, XN, Li, XQ, Li, ZB, Liang, H, Liang, YF, Liang, YT, Liao, GR, Lin, DX, Liu, BJ, Liu, CX, Liu, FH, Liu, F, Liu, HB, Liu, HH, Liu, HM, Liu, J, Liu, JB, Liu, JP, Liu, JY, Liu, K, Liu, KY, Liu, LD, Liu, PL, Liu, Q, Liu, SB, Liu, X, Liu, YB, Liu, ZA, Liu, Z, Loehner, H, Lou, XC, Lu, HJ, Lu, JG, Lu, Y, Lu, YP, Luo, CL, Luo, MX, Luo, T, Luo, XL, Lyu, XR, Ma, FC, Ma, HL, Ma, LL, Ma, QM, Ma, T, Ma, XN, Ma, XY, Maas, FE, Maggiora, M, Mao, YJ, Mao, ZP, Marcello, S, Messchendorp, JG, Min, J, Mitchell, RE, Mo, XH, Mo, YJ, Morales, CM, Moriya, K, Muchnoi, NY, Muramatsu, H, Nefedov, Y, Nerlingn, F, Nikolaev, IB, Ning, Z, Nisar, S, Niu, SL, Niu, XY, Olsen, SL, Ouyang, Q, Pacetti, S, Patteri, P, Pelizaeus, M, Peng, HP, Peters, K, Pettersson, J, Ping, JL, Ping, RG, Poling, R, Prasad, V, Qi, M, Qian, S, Qiao, CF, Qin, LQ, Qin, N, Qin, XS, Qin, ZH, Qiu, JF, Rashid, KH, Redmer, CF, Ripka, M, Rong, G, Rosner, C, Ruan, XD, Santoro, V, Sarantsev, A, Savrie, M, Schoenning, K, Schumann, S, Shan, W, Shao, M, Shen, CP, Shen, PX, Shen, XY, Sheng, HY, Song, WM, Shepherd, MR, Song, XY, Sosio, S, Spataro, S, Sun, GX, Sun, JF, Sun, SS, Sun, YJ, Sun, YZ, Sun, ZJ, Sun, ZT, Tang, CJ, Tang, X, Tapan, I, Thorndike, EH, Tiemens, M, Ullrich, M, Uman, I, Varner, GS, Wang, B, Wang, D, Wang, DY, Wang, K, Wang, LL, Wang, LS, Wang, M, Wang, P, Wang, PL, Wang, SG, Wang, W, Wang, XF, Wang, YD, Wang, YF, Wang, YQ, Wang, Z, Wang, ZG, Wang, ZH, Wang, ZY, Weber, T, Wei, DH, Wei, JB, Weidenkaff, P, Wen, SP, Wiedner, U, Wolke, M, Wu, LH, Wu, Z, Xia, LG, Xia, Y, Xiao, D, Xiao, H, Xiao, ZJ, Xie, YG, Xiu, QL, Xu, GF, Xu, L, Xu, QJ, Xu, XP, Yan, L, Yan, WB, Yan, WC, Yan, YH, Yang, HJ, Yang, HX, Yang, L, Yang, Y, Yang, YX, Ye, M, Ye, MH, Yin, JH, Yu, BX, Yu, CX, Yu, JS, Yuan, CZ, Yuan, WL, Yuan, Y, Yuncu, A, Zafar, AA, Zallo, A, Zeng, Y, Zhang, BX, Zhang, BY, Zhang, C, Zhang, CC, Zhang, DH, Zhang, HH, Zhang, HY, Zhang, JJ, Zhang, JL, Zhang, JQ, Zhang, JW, Zhang, JY, Zhang, JZ, Zhang, K, Zhang, L, Zhang, XY, Zhang, Y, Zhang, YN, Zhang, YH, Zhang, YT, Zhang, ZH, Zhang, ZP, Zhang, ZY, Zhao, G, Zhao, JW, Zhao, JY, Zhao, JZ, Zhao, L, Zhao, MG, Zhao, Q, Zhao, QW, Zhao, SJ, Zhao, TC, Zhao, YB, Zhao, ZG, Zhemchugov, A, Zheng, B, Zheng, JP, Zheng, WJ, Zheng, YH, Zhong, B, Zhou, L, Zhou, X, Zhou, XK, Zhou, XR, Zhou, XY, Zhu, K, Zhu, KJ, Zhu, S, Zhu, SH, Zhu, XL, Zhu, YC, Zhu, YS, Zhu, ZA, Zhuang, J, Zotti, L, Zou, BS, Zou, JH, Collaboration, BESIII, İstanbul Arel Üniversitesi, [Ablikim, M. -- Ai, X. C. -- An, F. F. -- Bai, J. Z. -- Cai, X. -- Cao, G. F. -- Chang, J. F. -- Chen, G. -- Chen, H. S. -- Chen, J. C. -- Chen, M. L. -- Chen, X. -- Chen, Y. B. -- Dai, H. L. -- Deng, Z. Y. -- Dong, J. -- Dong, L. Y. -- Dong, M. Y. -- Duan, P. F. -- Fang, J. -- Fang, S. S. -- Fang, Y. -- Fu, C. D. -- Gao, Q. -- Gong, W. X. -- Gu, M. H. -- Guan, Y. H. -- Guo, A. Q. -- Guo, Y. -- He, K. L. -- Heng, Y. K. -- Hou, Z. L. -- Hu, H. M. -- Hu, T. -- Hu, Y. -- Ji, Q. -- Ji, X. B. -- Ji, X. L. -- Jiang, X. S. -- Jin, D. P. -- Jin, S. -- Kang, X. L. -- Li, F. -- Li, G. -- Li, H. B. -- Li, J. C. -- Li, W. D. -- Li, W. G. -- Li, X. N. -- Liu, B. J. -- Liu, C. X. -- Liu, Fang -- Liu, H. H. -- Liu, H. M. -- Liu, J. -- Liu, J. Y. -- Liu, P. L. -- Liu, Z. A. -- Lou, X. C. -- Lu, J. G. -- Lu, Y. -- Lu, Y. P. -- Luo, X. L. -- Ma, H. L. -- Ma, Q. M. -- Ma, T. -- Ma, X. Y. -- Mao, Z. P. -- Min, J. -- Mo, X. H. -- Ning, Z. -- Niu, S. L. -- Niu, X. Y. -- Ouyang, Q. -- Ping, R. G. -- Prasad, V. -- Qian, S. -- Qin, X. S. -- Qin, Z. H. -- Qiu, J. F. -- Rong, G. -- Shen, X. Y. -- Sheng, H. Y. -- Song, W. M. -- Song, X. Y. -- Sun, G. X. -- Sun, S. S. -- Sun, Y. Z. -- Sun, Z. J. -- Tang, X. -- Wang, K. -- Wang, L. L. -- Wang, L. S. -- Wang, P. -- Wang, P. L. -- Wang, W. -- Wang, Y. F. -- Wang, Z. -- Wang, Z. G. -- Wang, Z. Y. -- Wen, S. P. -- Wu, L. H. -- Wu, Z. -- Xiao, D. -- Xie, Y. G. -- Xiu, Q. L. -- Xu, G. F. -- Xu, L. -- Yang, H. X. -- Ye, M. -- Yin, J. H. -- Yu, B. X. -- Yuan, C. Z. -- Yuan, Y. -- Zhang, B. X. -- Zhang, B. Y. -- Zhang, C. C. -- Zhang, D. H. -- Zhang, H. Y. -- Zhang, J. J. -- Zhang, J. L. -- Zhang, J. Q. -- Zhang, J. W. -- Zhang, J. Y. -- Zhang, J. Z. -- Zhang, K. -- Zhang, L. -- Zhang, Y. -- Zhang, Y. H. -- Zhao, G. -- Zhao, J. W. -- Zhao, J. Y. -- Zhao, J. Z. -- Zhao, Ling -- Zhao, Q. -- Zhao, Q. W. -- Zhao, T. C. -- Zhao, Y. B. -- Zheng, J. P. -- Zhou, L. -- Zhou, X. Y. -- Zhu, K. -- Zhu, K. J. -- Zhu, S. -- Zhu, Y. S. -- Zhu, Z. 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B.] GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia -- [Goetzen, K. -- Peters, K.] GSI Helmholtzctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany -- [Liao, G. R. -- Wei, D. H. -- Yang, Y. X.] Guangxi Normal Univ, Guilin 541004, Peoples R China -- [Li, X. M. -- Liu, H. B. -- Ruan, X. D.] Guangxi Univ, Nanning 530004, Peoples R China -- [Li, K. -- Xu, Q. J.] Hangzhou Normal Univ, Hangzhou 310036, Zhejiang, Peoples R China -- [Dbeyssi, A. -- Fritsch, M. -- Kliemt, R. -- Larin, P. -- Lin, D. X. -- Maas, F. E. -- Morales, C. Morales -- Nerlingn, F. -- Rosner, Ch. -- Wang, Y. D.] Helmholtz Inst Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany -- [Hao, X. Q. -- Huang, J. S. -- Sun, J. F.] Henan Normal Univ, Xinxiang 453007, Peoples R China -- [Liu, H. H.] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China -- [Cheng, H. P. -- Jiao, Z. -- Lu, H. J.] Huangshan Coll, Huangshan 245000, Peoples R China -- [Xia, Y. -- Yan, Y. 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Q. -- Weber, T. -- Weidenkaff, P.] Johannes Gutenberg Univ Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany -- [Boger, E. -- Boyko, I. -- Chelkov, G. -- Dedovich, D. -- Denysenko, I. -- Nefedov, Y. -- Sarantsev, A. -- Zhemchugov, A.] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia -- [Kuehn, W. -- Lange, J. S. -- Liang, Y. T. -- Ullrich, M.] Univ Giessen, Inst Phys 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany -- [Haddadi, Z. -- Kalantar-Nayestanaki, N. -- Kavatsyuk, M. -- Loehner, H. -- Messchendorp, J. G. -- Tiemens, M.] Univ Groningen, KVI CART, NL-9747 AA Groningen, Netherlands -- [Chen, X. R. -- Liu, X. -- Yu, J. S.] Lanzhou Univ, Lanzhou 730000, Peoples R China -- [Ding, Y. -- Liu, K. Y. -- Ma, F. C.] Liaoning Univ, Shenyang 110036, Peoples R China -- [Guo, L. B. -- Hu, C. -- Luo, C. L. -- Ping, J. L. -- Xiao, Z. J. -- Zhong, B.] Nanjing Normal Univ, Nanjing 210023, Jiangsu, Peoples R China -- [Chen, S. J. -- Huang, Y. -- Qi, M. -- Yuan, W. 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H.] Univ Sci & Technol Liaoning, Anshan 114051, Peoples R China -- [An, Q. -- Fang, X. -- Feng, C. Q. -- Gao, Z. -- Huang, G. S. -- Li, Cheng -- Liang, H. -- Liu, J. B. -- Liu, S. B. -- Peng, H. P. -- Shao, M. -- Sun, Y. J. -- Wang, Z. H. -- Yan, L. -- Yan, W. B. -- Yan, W. C. -- Zhang, Y. T. -- Zhang, Z. P. -- Zhao, Lei -- Zhao, Z. G. -- Zhou, X. K. -- Zhou, X. R. -- Zhu, Y. C.] Univ Sci & Technol China, Hefei 230026, Peoples R China -- [Xiao, H. -- Zheng, B.] Univ South China, Hengyang 421001, Peoples R China -- [Hussain, T. -- Rashid, K. H. -- Zafar, A. A.] Univ Punjab, Lahore 54590, Pakistan -- [Amoroso, A. -- Bianchi, F. -- Destefanis, M. -- De Mori, F. -- Greco, M. -- Hu, J. F. -- Maggiora, M. -- Marcello, S. -- Sosio, S. -- Spataro, S. -- Zotti, L.] Univ Turin, I-10125 Turin, Italy -- [Fava, L.] Univ Piemonte Orientale, I-15121 Alessandria, Italy -- [Amoroso, A. -- Bianchi, F. -- Destefanis, M. -- De Mori, F. -- Fava, L. -- Greco, M. -- Hu, J. F. -- Leng, C. -- Maggiora, M. -- Marcello, S. -- Sosio, S. -- Spataro, S. -- Zotti, L.] Ist Nazl Fis Nucl, I-10125 Turin, Italy -- [Johansson, T. -- Kupsc, A. -- Li, C. -- Pettersson, J. -- Schoenning, K. -- Wolke, M.] Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden -- [Cai, H. -- Han, S. -- Jiang, L. W. -- Liu, J. P. -- Qin, N. -- Yang, L. -- Zhang, Z. Y. -- Zhou, X.] Wuhan Univ, Wuhan 430072, Peoples R China -- [Luo, M. X.] Zhejiang Univ, Hangzhou 310027, Zhejiang, Peoples R China -- [Du, S. X. -- Li, D. M. -- Zhao, S. J.] Zhengzhou Univ, Zhengzhou 450001, Peoples R China -- [An, Q. -- Cai, X. -- Chang, J. F. -- Chen, M. L. -- Chen, X. -- Chen, Y. B. -- Dai, H. L. -- Dong, J. -- Dong, M. Y. -- Fang, J. -- Fang, X. -- Feng, C. Q. -- Gao, Z. -- Gong, W. X. -- Gu, M. H. -- Gu, Y. T. -- Heng, Y. K. -- Hu, T. -- Huang, G. S. -- Ji, X. L. -- Jiang, X. S. -- Jin, D. P. -- Li, Cheng -- Li, F. -- Li, X. N. -- Liang, H. -- Liu, J. B. -- Liu, P. L. -- Liu, S. B. -- Liu, Z. A. -- Lou, X. C. -- Lu, J. G. -- Lu, Y. P. -- Luo, X. L. -- Ma, X. Y. -- Min, J. -- Mo, X. H. -- Ning, Z. -- Niu, S. L. -- Ouyang, Q. -- Peng, H. P. -- Qian, S. -- Qin, Z. H. -- Shao, M. -- Sun, Y. J. -- Sun, Z. J. -- Wang, K. -- Wang, W. -- Wang, Y. F. -- Wang, Z. -- Wang, Z. G. -- Wang, Z. H. -- Wu, Z. -- Xie, Y. G. -- Xiu, Q. L. -- Yan, L. -- Yan, W. B. -- Yan, W. C. -- Ye, M. -- Yu, B. X. -- Zhang, B. Y. -- Zhang, H. Y. -- Zhang, J. W. -- Zhang, Y. H. -- Zhang, Y. T. -- Zhao, J. W. -- Zhao, J. Z. -- Zhao, Lei -- Zhao, Y. B. -- Zhao, Z. G. -- Zheng, J. P. -- Zhou, L. -- Zhou, X. K. -- Zhou, X. R. -- Zhu, K. J. -- Zhu, Y. C. -- Zhuang, J.] State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R China -- [An, Q. -- Cai, X. -- Chang, J. F. -- Chen, M. L. -- Chen, X. -- Chen, Y. B. -- Dai, H. L. -- Dong, J. -- Dong, M. Y. -- Fang, J. -- Fang, X. -- Feng, C. Q. -- Gao, Z. -- Gong, W. X. -- Gu, M. H. -- Gu, Y. T. -- Heng, Y. K. -- Hu, T. -- Huang, G. S. -- Ji, X. L. -- Jiang, X. S. -- Jin, D. P. -- Li, Cheng -- Li, F. -- Li, X. N. -- Liang, H. -- Liu, J. B. -- Liu, P. L. -- Liu, S. B. -- Liu, Z. A. -- Lou, X. C. -- Lu, J. G. -- Lu, Y. P. -- Luo, X. L. -- Ma, X. Y. -- Min, J. -- Mo, X. H. -- Ning, Z. -- Niu, S. L. -- Ouyang, Q. -- Peng, H. P. -- Qian, S. -- Qin, Z. H. -- Shao, M. -- Sun, Y. J. -- Sun, Z. J. -- Wang, K. -- Wang, W. -- Wang, Y. F. -- Wang, Z. -- Wang, Z. G. -- Wang, Z. H. -- Wu, Z. -- Xie, Y. G. -- Xiu, Q. L. -- Yan, L. -- Yan, W. B. -- Yan, W. C. -- Ye, M. -- Yu, B. X. -- Zhang, B. Y. -- Zhang, H. Y. -- Zhang, J. W. -- Zhang, Y. H. -- Zhang, Y. T. -- Zhao, J. W. -- Zhao, J. Z. -- Zhao, Lei -- Zhao, Y. B. -- Zhao, Z. G. -- Zheng, J. P. -- Zhou, L. -- Zhou, X. K. -- Zhou, X. R. -- Zhu, K. J. -- Zhu, Y. C. -- Zhuang, J.] State Key Lab Particle Detect & Elect, Hefei 230026, Peoples R China -- [Cakir, O.] Ankara Univ, TR-06100 Ankara, Turkey -- [Yuncu, A.] Bogazici Univ, TR-34342 Istanbul, Turkey -- [Boger, E. -- Chelkov, G. -- Zhemchugov, A.] Moscow Inst Phys & Technol, Moscow 141700, Russia -- [Chelkov, G.] Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia -- [Achasov, M. N. -- Muchnoi, N. Yu -- Nikolaev, I. B.] Novosibirsk State Univ, Novosibirsk 630090, Russia -- [Sarantsev, A.] PNPI, NRC Kurchatov Inst, Gatchina 188300, Russia -- [Lou, X. C.] Univ Texas Dallas, Richardson, TX 75083 USA -- [Kolcu, O. B.] Istanbul Arel Univ, TR-34295 Istanbul, Turkey, Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Fizik Bölümü., Tapan, İlhan, and Research unit Nuclear & Hadron Physics
Subjects: Nuclear and High Energy Physics, Particle physics, BESIII, детектор, Hadron, KLOE DETECTOR, BESIII, Hadronic cross section, Initial state radiation, Muon anomaly, Pion form factor, 7. Clean energy, 01 natural sciences, NO, law.invention, Subatomär fysik, Pion, law, CMD-2, 0103 physical sciences, Subatomic Physics, Physics, nuclear, Vacuum polarization, 010306 general physics, Collider, Physics, ELECTRON-POSITRON ANNIHILATION, HADRONIC CONTRIBUTIONS, Luminosity (scattering theory), FLAVOR FACTORIES, 010308 nuclear & particles physics, SIGMA(E(+)E(-), Form factor (quantum field theory), G-2, Order (ring theory), Mesons, Detector, Lattice QCD, lcsh:QC1-999, BEPCII, коллайдер, Astronomy & astrophysics, Physics, particles & fields, PI(+)PI(-)), Energy (signal processing), lcsh:Physics
Abstract: WOS: 000368783600087, We extract the e(+) e(-) -> pi(+) pi(-) cross section in the energy range between 600 and 900 MeV, exploiting the method of initial state radiation. A data set with an integrated luminosity of 2.93 fb(-1) taken at a center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider is used. The cross section is measured with a systematic uncertainty of 0.9%. We extract the pion form factor vertical bar F pi vertical bar(2) as well as the contribution of the measured cross section to the leading-order hadronic vacuum polarization contribution to (g - 2)(mu). We find this value to be a(mu)(pi pi,LO) (600-900 MeV) = (368.2 +/- 2.5(stat)+/- 3.3(sys)).10(-10), which is between the corresponding values using the BaBar or KLOE data. (C) 2015 The Authors. Published by Elsevier B.V., National Key Basic Research Program of China [2015CB856700]; National Natural Science Foundation of China (NSFC) [11125525, 11235011, 11322544, 11335008, 11425524]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; CAS Center for Excellence in Particle Physics (CCEPP); Collaborative Innovation Center for Particles and Interactions (CICPI); Joint Large-Scale Scientific Facility Funds of the NSFC; CAS [11179007, U1232201, U1332201, KJCX2-YW-N29, KJCX2-YW-N45]; 100 Talents Program of CAS; National 1000 Talents Program of China; INPAC; Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG [Collaborative Research Center CRC-1044]; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey [DPT2006K-120470]; Russian Foundation for Basic Research [14-07-91152]; Swedish Resarch Council; U.S. Department of Energy [DE-FG02-04ER41291, DE-FG02-05ER41374, DE-FG02-94ER40823, DESC0010118]; U.S. National Science Foundation; University of Groningen (RuG); Helmholtzzentrum fur Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea [R32-2008-000-10155-0], The BESIII Collaboration thanks the staff of BEPCII and the IHEP computing center for their strong support. We thank Thomas Teubner for the recalculation of amupi pi,LO (600-900 MeV) and Fedor Ignatov for the useful discussions. This work is supported in part by National Key Basic Research Program of China under Contract No. 2015CB856700; National Natural Science Foundation of China (NSFC) under Contract Nos. 11125525, 11235011, 11322544, 11335008, 11425524; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the CAS Center for Excellence in Particle Physics (CCEPP); the Collaborative Innovation Center for Particles and Interactions (CICPI); Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract Nos. 11179007, U1232201, U1332201; CAS under Contract Nos. KJCX2-YW-N29, KJCX2-YW-N45; 100 Talents Program of CAS; National 1000 Talents Program of China; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG under Contract No. Collaborative Research Center CRC-1044; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Contract No. DPT2006K-120470; Russian Foundation for Basic Research under Contract No. 14-07-91152; The Swedish Resarch Council; U.S. Department of Energy under Contract Nos. DE-FG02-04ER41291, DE-FG02-05ER41374, DE-FG02-94ER40823, DESC0010118; U.S. National Science Foundation; University of Groningen (RuG) and the Helmholtzzentrum fur Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea under Contract No. R32-2008-000-10155-0.
Published: 2016
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13. Precision measurement of the D*(0) decay branching fractions

Author: Kai Liu, Z. Wu, K. Li, Fang Liu, Lei Zhou, S. Zhu, D. H. Zhang, K. L. He, J. F. Chang, M. Tiemens, H. B. Liu, J. Q. Zhang, Z. Jiao, C. L. Luo, X. L. Ji, Bibo Ke, M. N. Achasov, Giulietto Felici, H. M. Hu, J. P. Dai, G. Chen, I. Uman, Q. J. Xu, M. Ullrich, J. V. Bennett, C. X. Liu, D. J. Ambrose, M. L. Chen, N. Yu. Muchnoi, A. Q. Guo, X. Y. Shen, Y. Xia, Xiaocong Ai, D. Bettoni, H. S. Chen, X. L. Li, Andrzej Kupsc, W. L. Yuan, Y. J. Mo, X. R. Chen, H. Loehner, B. Spruck, H. H. Liu, M. Albrecht, Y. Ding, X. Y. Zhou, R. Baldini Ferroli, J. C. Li, Z. P. Zhang, P. R. Li, Z. Haddadi, F. Feldbauer, L. Yang, J. L. Zhang, F. F. An, T. Weber, A. Zallo, I. Denysenko, S. Ma, Z. P. Mao, F. Li, D. Toth, Magnus Wolke, B. X. Yu, Q. P. Ji, J. F. Hu, J. L. Ping, M. Lv, X. N. Ma, D. P. Jin, L. S. Wang, Y. Zeng, I. Garzia, Ling Zhao, W. M. Song, S. H. Zhang, S. Spataro, S. X. Du, X. N. Li, Y. T. Liang, Y. F. Wang, M. Ripka, S. P. Wen, X. C. Lou, Y. H. Yan, B. Y. Zhang, V. Santoro, M. Greco, S. Pacetti, J. G. Lu, X. T. Huang, Y. Huang, Zhiqing Liu, M. Pelizaeus, Fu-Hu Liu, C. Q. Feng, C. C. Zhang, Dayong Wang, N. Qin, A. Calcaterra, M. Maggiora, P. L. Liu, X. L. Luo, H. Y. Sheng, M. Fritsch, G. Rong, L. L. Wang, W. C. Yan, E. Boger, T. Johansson, S. J. Zhao, W. Shan, Chi Zhang, C. Dong, S. Sosio, X. D. Ruan, H. Muramatsu, Brent J. Liu, M. Kavatsyuk, J. C. Chen, Jingzhou Zhao, T. Held, M. Kornicer, Y. Q. Wang, L. Fava, Yulei Han, F. E. Maas, Qiang Zhao, S. Nisar, C. J. Tang, P. F. Duan, E. H. Thorndike, X. Fang, J. H. Zou, Xiao-Rui Lyu, Y. F. Liang, W. Kuehn, K. Goetzen, Jia-ju Zhang, I. Tapan, I. Boyko, H. P. Peng, Z. A. Liu, O. Albayrak, J. W. Zhao, B. Wang, J. F. Sun, Cheng Li, C. Hu, B. L. Wang, X. Y. Song, D. Xiao, H. L. Dai, Y. J. Sun, Jie Liu, H. X. Yang, X. S. Kang, Heng-Yun Ye, S. S. Sun, S. Marcello, J. Zhuang, Y. B. Chen, S. B. Liu, L. B. Guo, D. H. Wei, E. Fioravanti, Y. H. Zhang, X. R. Zhou, Y. P. Guo, G. S. Varner, X. Y. Zhang, W. Gradl, J. Fang, Chuan Liu, Xiaofeng Zhu, J. Z. Zhang, D. W. Bennett, Zujian Wang, T. C. Zhao, L. Yan, P. L. Wang, H. W. Yu, H. H. Zhang, Z. Y. Wang, X. Tang, Yaquan Fang, L. H. Wu, K. J. Zhu, Xuantong Zhang, W. B. Yan, R. G. Ping, O. Bondarenko, G. S. Huang, X. Y. Ma, Y. K. Heng, S. S. Fang, Z. J. Sun, G. F. Xu, X. F. Wang, X. M. Li, K. Zhang, S. Han, Y. Gao, X. P. Xu, M. Qi, F. A. Harris, K. Schoenning, P. X. Shen, A. A. Zafar, M. H. Gu, Y. H. Guan, Zhigang Wang, M. Bertani, W. P. Wang, F. Bianchi, M. Savrie, Y. Guo, Q. A. Malik, Q. M. Ma, Z. H. Qin, Zhiqiang Liu, Y. B. Zhao, L. W. Jiang, R. Q. Lu, L. Q. Qin, J. F. Qiu, W. D. Li, H. J. Lu, T. Ma, W. X. Gong, Q. Liu, B. X. Zhang, Z. Y. He, K. Peters, X. Cai, A. Yuncu, H. P. Cheng, Tao Li, F. C. Ma, Q. Gao, Zhiqing Zhang, Yuehong Xie, B. S. Zou, T. Luo, Li Zhou, J. Z. Fan, A. Zhemchugov, C. F. Redmer, Yang Yang, A. Denig, D. Y. Wang, T. Hu, P. Patteri, X. S. Qin, H. Liang, Xiao-Hai Liu, I. B. Nikolaev, M. Ablikim, G. X. Sun, H. P. Huang, L. G. Xia, Z. A. Zhu, Jianhao Zhang, Sai-Juan Chen, M. Ye, Z. G. Zhao, F. Nerling, Yi-Ming Hu, S. Schumann, B. Zhong, J. P. Liu, O. B. Kolcu, J. G. Messchendorp, C. P. Shen, Y. B. Liu, H. L. Ma, Qiunan Xu, G. R. Liao, D. Dedovich, Y. Yuan, Y. X. Yang, R. Kliemt, J. Z. Bai, R. E. Mitchell, M. R. Shepherd, K. Wang, G. Cibinetto, Jie Yu, M. Y. Dong, Z. L. Hou, T. J. Min, G. Zhao, Feng Liu, S. Qian, A. Hafner, Y. Z. Sun, X. Y. Niu, Xiang Zhou, Y. Ban, T. Hussain, Kejun Zhu, X. Liu, Y. H. Zheng, T. Guo, C. D. Fu, Serkant Ali Cetin, Jianmin Dong, C. Z. Yuan, B. Kopf, Z. Ning, L. L. Jiang, Q. An, X. H. Mo, J. H. Yin, K. H. Rashid, U. Wiedner, X. L. Kang, Q. W. Zhao, M. Lara, Lei Xu, N. Kalantar-Nayestanaki, P. Larin, Y. P. Lu, H. Cai, M. H. Ye, Yun-Zhi Zhang, P. Weidenkaff, L. D. Liu, O. Cakir, Jin Li, W. J. Zheng, Y. Nefedov, J. B. Jiao, Huan Ren, J. Liu, M. Destefanis, X. B. Ji, M. G. Zhao, Z. G. Wang, H. Y. Zhang, Haiwen Liu, X. K. Zhou, J. S. Lange, J. Y. Zhang, M. X. Luo, J. S. Huang, J. M. 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X.] Guangxi Normal Univ, Guilin 541004, Peoples R China -- [Gu, Y. T. -- Li, X. M. -- Liu, H. B. -- Ruan, X. D.] Guangxi Univ, Nanning 530004, Peoples R China -- [Li, K. -- Xu, Q. J.] Hangzhou Normal Univ, Hangzhou 310036, Zhejiang, Peoples R China -- [Dbeyssi, A. -- Fritsch, M. -- Kliemt, R. -- Larin, P. -- Lin, D. X. -- Maas, F. E. -- Morales, C. Morales -- Nerling, F.] Helmholtz Inst Mainz, D-55099 Mainz, Germany -- [Huang, J. S. -- Sun, J. F.] Henan Normal Univ, Xinxiang 453007, Peoples R China -- [Liu, H. H.] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China -- [Cheng, H. P. -- Jiao, Z. -- Lu, H. J.] Huangshan Coll, Huangshan 245000, Peoples R China -- [Lu, R. Q. -- Pu, Y. N. -- Xia, Y. -- Yan, Y. H. -- Zeng, Y.] Hunan Univ, Changsha 410082, Peoples R China -- [Bennett, D. W. -- Lara, M. -- Mitchell, R. E. -- Moriya, K. -- Shepherd, M. R. -- Sun, Z. T.] Indiana Univ, Bloomington, IN 47405 USA -- [Ferroli, R. 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X. -- Li, D. M. -- Zhao, S. J.] Zhengzhou Univ, Zhengzhou 450001, Peoples R China -- [Achasov, M. N. -- Cakir, O. -- Muchnoi, N. Yu. -- Nikolaev, I. B.] Novosibirsk State Univ, Novosibirsk 630090, Russia -- [Achasov, M. N. -- Cakir, O. -- Muchnoi, N. Yu. -- Nikolaev, I. B.] Ankara Univ, TR-06100 Ankara, Turkey -- [Chelkov, G.] Moscow Phys Tech Inst, Dolgoprudnyi 141700, Russia -- [Chelkov, G.] Tomsk State Univ, Functional Elect Lab, Tomsk 634050, Russia -- [Kolcu, O. B.] Istanbul Arel Univ, Istanbul, Turkey -- [Lou, X. C.] Univ Texas Dallas, Richardson, TX 75083 USA -- [Sarantsev, A.] PNPI, Gatchina 188300, Russia -- [Yuncu, A.] Bogazici Univ, TR-34342 Istanbul, Turkey -- [Boger, E. -- Zhemchugov, A.] Moscow Inst Phys & Technol, Moscow 141700, Russia
Subjects: Physics, Nuclear and High Energy Physics, BESIII, детектор, Physics and Astronomy (miscellaneous), Meson, квантовая хромодинамика, Analytical chemistry, FOS: Physical sciences, Branching (polymer chemistry), QCD, 7. Clean energy, MESONS, High Energy Physics - Experiment, NO, Nuclear physics, High Energy Physics - Experiment (hep-ex), бозоны, Pi
Abstract: WOS: 000349437800001, Using 482 pb(-1) of data taken at root s = 4.009 GeV, we measure the branching fractions of the decays of D*(0) into D-0 pi(0) and D-0 gamma to be B(D*(0) -> D-0 pi(0)) = (65.5 +/- 0.8 +/- 0.5)% and B(D*(0) -> D0 gamma) = (34.5 +/- 0.8 +/- 0.5)%, respectively, by assuming that the D*(0) decays only into these two modes. The ratio of the two branching fractions is B(D*(0) -> D-0 pi(0))/B(D*(0) -> D-0 gamma) = 1.90 +/- 0.07 +/- 0.05, which is independent of the assumption made above. The first uncertainties are statistical and the second ones systematic. The precision is improved by a factor of 3 compared to the present world average values., National Key Basic Research Program of China [2015CB856700]; Joint Funds of the National Natural Science Foundation of China [11079008, 11179007, U1232201, U1332201]; National Natural Science Foundation of China (NSFC) [10935007, 11121092, 11125525, 11235011, 11322544, 11335008]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; CAS [KJCX2-YW-N29, KJCX2-YW-N45]; 100 Talents Program of CAS; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG [Collaborative Research Center CRC-1044]; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey [DPT2006 K-120470]; Russian Foundation for Basic Research [14-07-91152]; U.S. Department of Energy [DE-FG02-04ER41291, DE-FG02-05ER41374, DE-FG02-94ER40823, DESC0010118]; U.S. National Science Foundation; University of Groningen (RuG); Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea [R32-2008-000-10155-0], The BESIII Collaboration thanks the staff of BEPCII and the IHEP computing center for their strong support. This work is supported in part by the National Key Basic Research Program of China under Contract No. 2015CB856700; Joint Funds of the National Natural Science Foundation of China under Contracts No. 11079008, No. 11179007, No. U1232201, and No. U1332201; National Natural Science Foundation of China (NSFC) under Contracts No. 10935007, No. 11121092, No. 11125525, No. 11235011, No. 11322544, and No. 11335008; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; CAS under Contracts No. KJCX2-YW-N29 and No. KJCX2-YW-N45; 100 Talents Program of CAS; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG under Contract No. Collaborative Research Center CRC-1044; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Contract No. DPT2006 K-120470; Russian Foundation for Basic Research under Contract No. 14-07-91152; U.S. Department of Energy under Contracts No. DE-FG02-04ER41291, No. DE-FG02-05ER41374, No. DE-FG02-94ER40823, and No. DESC0010118; U.S. National Science Foundation; University of Groningen (RuG) and the Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea under Contract No. R32-2008-000-10155-0.
Published: 2015

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13 results on '"Z. B. Zhang"'

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13. Precision measurement of the D*(0) decay branching fractions

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