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Study of the process e(+) e(-) -> pi(0)pi(0)J/psi and neutral charmoniumlike state Z(c)(3900)(0)

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成果类型:
期刊论文
作者:
Ablikim, M.*;Achasov, M. N.;Adlarson, P.;Ahmed, S.;Albrecht, M.;...
通讯作者:
Ablikim, M.
作者机构:
[Yu, B. X.; Dai, X. C.; Yu, G.; Hu, T.; Sun, Z. J.; Ning, Z.; Wen, S. P.; Shi, X.; Sun, G. X.; Ma, M. M.; Min, J.; Zhao, Ling; Zhu, Z. A.; Xu, G. F.; Wang, K.; Zhou, L. P.; Heng, Y. K.; Ji, Q.; Zhang, J. W.; Rong, G.; Guan, C. Y.; Zhou, Q.; Wang, Y. F.; Wang, L. L.; Jin, D. P.; Lu, Y.; Ouyang, Q.; Ji, X. B.; Qian, S.; Dong, M. Y.; Zhang, Jiawei; Fang, S. S.; Chang, J. F.; Wang, Zongyuan; Liu, Z. A.; Ke, B. C.; Liu, X. Y.; Wu, J. F.; Sun, S. S.; Fu, C. D.; Lou, X. C.; Wang, Z. G.; Zhang, B. X.; Fu, Y.; Xing, T. Y.; Cao, G. F.; Xiao, Y. J.; Wu, L. H.; Zhao, Y. B.; Zheng, J. P.; Zhang, B. Y.; Jiang, X. S.; Kiuchi, R.; Gu, M. H.; Lu, Y. P.; Dong, L. Y.; Yang, S. L.; Zhao, G.; Wu, L. J.; Yang, Yifan; Yuan, Y.; Lu, X. L.; Wu, Z.; Fang, Y.; Luo, X. L.; Ji, X. L.; Zhu, A. N.; Li, L. K.; Li, H. B.; Zhuang, J.; Li, J. C.; Liang, H.; Liao, L. Z.; Zhang, J. Y.; Wang, L. S.; Yin, J. H.; Liu, Huanhuan; Zhang, J. Z.; He, K. L.; Chen, G.; Xiong, X. A.; Ablikim, M.; Liu, C. X.; Chang, W. L.; Zhu, K.; Kurth, M. G.; Zhao, J. Z.; Mao, Z. P.; Zhao, Q.; Xiao, S. Y.; Lu, J. G.; Chen, Y. B.; Wang, Z.; Liu, Fang; Zhao, J. Y.; Dong, J.; Liu, K.; Zhang, C. C.; Wang, H. P.; Zhang, D. H.; Yuan, C. Z.; Tang, G. Y.; Zhang, H. Y.; Chen, M. L.; Hou, Z. L.; Sun, Y. Z.; Liu, B. J.; Li, Ke; Zhu, K. J.; Liu, H. M.; Ma, H. L.; Sun, T.; Ye, M.; Xie, Y. G.; Lu, J. D.; Sheng, H. Y.; Song, X. Y.; Zou, B. S.; Chen, H. S.; Cao, N.; Deng, Z. Y.; Ma, Q. M.; Wang, Z. Y.; Zhao, T. C.; Cai, X.; Zhang, Y. H.; Ma, R. Q.; Shi, R. S.; Zou, J. H.; Zhang, Yao; Liu, J. Y.; Li, W. G.; Wang, Y. Q.; Mo, X. H.; Zhou, L.; Fang, J.; Ma, X. X.; Shen, X. Y.; Zhu, Y. S.; Li, X. N.; Sun, Z. T.; Liu, T.; Ma, X. Y.; Hu, H. M.; Gong, W. X.; Wang, P. L.; Xu, W.; Hu, Y.; Wang, B.; Wang, Meng; Zhang, L.; Zhang, Jianyu; Li, F.; Pathak, A.; Tang, X.; Yang, H. X.; Qin, Z. H.; Li, G.; Ping, R. G.; Qiu, J. F.; Zhao, J. W.; Dai, H. L.; Li, W. D.] Inst High Energy Phys, Beijing 100049, Peoples R China.
[Shen, C. P.; Gu, S.; Qi, T. Y.] Beihang Univ, Beijing 100191, Peoples R China.
[Li, Lei] Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China.
[Jaeger, S.; Fritsch, M.; Heinsius, F. H.; Zhang, J. Q.; Weber, T.; Mustafa, A.; Kuessner, M.; Pitka, A.; Richter, M.; Pelizaeus, M.; Kopf, B.; Keshk, I. K.; Wollenberg, L.; Qin, X. S.; Albrecht, M.; Holtmann, T.; Sowa, C.; Schnier, C.; Feldbauer, F.; Wiedner, U.; Kuemmel, M.; Held, T.] Bochum Ruhr Univ, D-44780 Bochum, Germany.
[Bennett, J., V; Briere, R. A.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
通讯机构:
[Ablikim, M.] I
Inst High Energy Phys, Beijing 100049, Peoples R China.
语种:
英文
期刊:
PHYSICAL REVIEW D
ISSN:
2470-0010
年:
2020
卷:
102
期:
1
基金类别:
National Key Basic Research Program of ChinaNational Basic Research Program of China [2015CB856700]; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [11335008, 11375170, 11475164, 11475169, 11625523, 11605196, 11605198, 11705192]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility ProgramChinese Academy of Sciences; NSFCNational Natural Science Foundation of China (NSFC) [U1532102, U1732263, U1832103]; CASChinese Academy of Sciences [U1532102, U1732263, U1832103, QYZDJSSW-SLH003, QYZDJ-SSW-SLH040]; 100 Talents Program of CASChinese Academy of Sciences; Shanghai Key Laboratory for Particle Physics and Cosmology; ERCEuropean Research Council (ERC) [758462]; German Research Foundation DFGGerman Research Foundation (DFG) [Collaborative Research Center CRC-1044, ROF 2359]; Istituto Nazionale di Fisica Nucleare, ItalyIstituto Nazionale di Fisica Nucleare (INFN); Ministry of Development of TurkeyTurkiye Cumhuriyeti Kalkinma Bakanligi [DPT2006K-120470]; National Science and Technology fund; STFC (United Kingdom)Science & Technology Facilities Council (STFC); Knut and Alice Wallenberg Foundation (Sweden)Knut & Alice Wallenberg Foundation [DH140054, DH1600214]; Swedish Research CouncilSwedish Research Council; U.S. Department of EnergyUnited States Department of Energy (DOE) [DE-FG02-05ER41374, DE-SC-0010118, DE-SC-0012069]; University of Groningen (RuG); Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; INPAC
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本校为其他机构
摘要:
Cross sections of the process e(+)e(-) -> pi(0)pi(0)J/psi at center-of-mass energies between 3.808 and 4.600 GeV are measured with high precision by using 12.4 fb(-1) of data samples collected with the BESIII detector operating at the BEPCII collider facility. A fit to the measured energy-dependent cross sections confirms the existence of the charmoniumlike state Y(4220). The mass and width of the Y(4220) are determined to be (4220.4 +/- 2.4 +/- 2.3) MeV/c(2) and (46.2 +/- 4.7 +/- 2.1) MeV, respectively, where the first uncertainties are statistical and the second systematic. The mass and widt...

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