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Observation of e(+) e(-) -> eta Y(2175) at center-of-mass energies above 3.7 GeV

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成果类型:
期刊论文
作者:
Ablikim, M.*;Achasov, M. N.;Ahmed, S.;Ai, X. C.;Albayrak, O.;...
通讯作者:
Ablikim, M.
作者机构:
[Yu, B. X.; Hu, T.; Sun, Z. J.; Guo, R. P.; Ning, Z.; Wen, S. P.; Sun, G. X.; Ma, M. M.; Min, J.; Zhao, Ling; Ai, X. C.; Zhu, Z. A.; Xu, G. F.; Wang, K.; Heng, Y. K.; Ji, Q.; Zhang, J. W.; Rong, G.; Li, H. J.; Wang, Y. F.; Wang, L. L.; Jin, D. P.; Xiu, Q. L.; Lu, Y.; Ouyang, Q.; Ji, X. B.; Zhang, J. Q.; Qian, S.; Wang, P.; Dong, M. Y.; Prasad, V.; Fang, S. S.; Chang, J. F.; Wang, Zongyuan; Liu, Z. A.; Sun, S. S.; Fu, C. D.; Lou, X. C.; Wang, Z. G.; Zhang, B. X.; Sun, X. H.; Cao, G. F.; Xu, J. J.; Wu, L. H.; Zhao, Y. B.; Gao, Q.; Zheng, J. P.; Zhang, B. Y.; Jiang, X. S.; Gu, M. H.; Lu, Y. P.; Dong, L. Y.; Zhao, G.; Wu, L. J.; Yuan, Y.; Wu, Z.; Fang, Y.; Luo, X. L.; Ji, X. L.; Li, H. B.; Zhuang, J.; Li, J. C.; Guo, A. Q.; Zhang, Yang; Zhang, J. Y.; Guo, Y.; Wang, L. S.; Yin, J. H.; Jin, S.; Liu, Huanhuan; Song, W. M.; Zhang, J. Z.; He, K. L.; Chen, J. C.; Ablikim, M.; Liu, C. X.; Zhu, K.; Qin, X. S.; Wang, W.; Bai, J. Z.; Zhao, J. Z.; Mao, Z. P.; Zhao, Q.; Lu, J. G.; Liu, P. L.; Niu, S. L.; Liu, J.; Liu, Fang; Zhao, J. Y.; Dong, J.; Zhang, C. C.; Zhang, D. H.; Guan, Y. H.; Yuan, C. Z.; Zhang, H. Y.; Chen, M. L.; Ma, T.; Hou, Z. L.; Sun, Y. Z.; Liu, B. J.; Li, Ke; Min, T. J.; Zhu, K. J.; Liu, H. M.; Ma, H. L.; Ye, M.; Xie, Y. G.; Sheng, H. Y.; Song, X. Y.; Zou, B. S.; Chen, H. S.; Deng, Z. Y.; Ma, Q. M.; Wang, Z. Y.; Zhao, T. C.; Zhao, Q. W.; Cai, X.; Zhang, Y. H.; Zhu, S.; An, F. F.; Zou, J. H.; Zhang, J. L.; Zhang, Yao; Liu, J. Y.; Li, W. G.; Niu, X. Y.; Mo, X. H.; Zhou, L.; Fang, J.; Shen, X. Y.; Li, X. N.; Ma, X. Y.; Hu, H. M.; Gong, W. X.; Wang, P. L.; Zhang, J.; Duan, P. F.; Hu, Y.; Kang, X. L.; Zhang, L.; Li, F.; Zhang, K.; Zhou, X. Y.; Tang, X.; Chen, X.; Yang, H. X.; Qin, Z. H.; Xiao, D.; Li, G.; Ping, R. G.; Qiu, J. F.; Zhao, J. W.; Zhang, J. J.; Dai, H. L.; Li, W. D.] Inst High Energy Phys, Beijing 100049, Peoples R China.
[Qi, H. R.; Li, Y. B.; Shen, C. P.] Beihang Univ, Beijing 100191, Peoples R China.
[Li, Lei] Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China.
[Musiol, P.; Heinsius, F. H.; Pelizaeus, M.; Kopf, B.; Albrecht, M.; Holtmann, T.; Schnier, C.; Wiedner, U.; Held, T.] Bochum Ruhr Univ, D-44780 Bochum, Germany.
[Ke, B. C.; Briere, R. A.; Albayrak, O.; Bennett, J. V.] 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:
2019
卷:
99
期:
1
基金类别:
IHEP computing center; 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) [10979033, 11235011, 11335008, 11425524, 11625523, 11635010]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility ProgramChinese Academy of Sciences; CAS Center for Excellence in Particle Physics (CCEPP); Joint Large-Scale Scientific Facility Funds of the NSFC; CASChinese Academy of Sciences [KJCX2-YW-N29, KJCX2-YW-N45, QYZDJ-SSW-SLH003]; 100 Talents Program of CAS; New Century Excellent Talents in University (NCET) [NCET-13-0342]; Shandong Natural Science Funds for Distinguished Young Scholar [JQ201402]; National 1000 Talents Program of China; Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFGGerman Research Foundation (DFG); Collaborative Research Center [CRC 1044, FOR 2359]; Istituto Nazionale di Fisica Nucleare, ItalyIstituto Nazionale di Fisica Nucleare (INFN); Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) [5304CDP03]; Ministry of Development of TurkeyTurkiye Cumhuriyeti Kalkinma Bakanligi [DPT2006K-120470]; National Science and Technology fund; Swedish Research CouncilSwedish Research Council; U.S. Department of EnergyUnited States Department of Energy (DOE) [DE-FG02-05ER41374, DE-SC-0010118, DE-SC-0010504, DE-SC-0012069]; University of Groningen (RuG); Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of the National Research Foundation of Korea
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摘要:
The state Y(2175) is observed in the process e+e-→ηY(2175) with a statistical significance larger than 10 standard deviations using the data collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies between 3.7 and 4.6 GeV. This is the first observation of the Y(2175) in this process. The mass and width of the Y(2175) are determined to be (2135±8±9) MeV/c2 and (104±24±12) MeV, respectively, and the production cross section (σ) of e+e-→ηY(2175)→ηφf0(980)→ηφπ+π- is at the several hundred f...

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