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Observation of η′ →π+π-π+π- and η′ →π+π-π0π0

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成果类型:
期刊论文
作者:
Ablikim, M.*;Achasov, M. N.;Ai, X. C.;Albayrak, O.;Albrecht, M.;...
通讯作者:
Ablikim, M.
作者机构:
[Yu, B. X.; Mao, Z. P.; Zhao, Q.; Lu, J. G.; Liu, P. L.; Liu, Zhiqiang; Chen, Y. B.; He, M.; Hu, T.; Liu, J.; Wang, Z.; Liu, Fang; Sun, Z. J.; Xue, Z.; Ning, Z.; Dong, J.; Zhang, C. C.; Wen, S. P.; Zhang, Z. Y.; Sun, G. X.; Zhang, D. H.; Guan, Y. H.; Li, C. H.; Yuan, C. Z.; Min, J.; Zhang, H. Y.; Zhao, Ling; Chen, M. L.; Ai, X. C.; Ma, T.; Zhu, Z. A.; Xu, G. F.; Lu, H. L.; Wang, K.; Heng, Y. K.; Ji, Q.; Zhang, J. W.; Hou, Z. L.; Rong, G.; Li, Lei; Sun, Y. Z.; Liu, B. J.; Min, T. J.; Wang, Y. F.; Zhu, K. J.; Liu, H. M.; Li, Q. J.; Ma, H. L.; Wang, L. L.; Jin, D. P.; Xiu, Q. L.; Ye, M.; Xie, Y. G.; Sheng, H. Y.; Lu, Y.; Ouyang, Q.; Song, X. Y.; Ma, S.; Chen, H. S.; Ji, X. B.; Zhang, J. Q.; Qian, S.; Wang, P.; Deng, Z. Y.; Ma, Q. M.; Dong, M. Y.; Fang, S. S.; Chang, J. F.; Wang, Z. Y.; Zhao, T. C.; Zhao, Q. W.; Liu, Z. A.; Cai, X.; Lv, M.; Xu, L.; Wu, N.; Zhang, Y. H.; Wang, Q. J.; An, F. F.; Ye, H.; Sun, S. S.; Fu, C. D.; Zhang, Y.; Lou, X. C.; Wang, Z. G.; Jiang, L. L.; Zhang, B. X.; Zhang, X. J.; Lai, W.; Li, W. G.; Niu, X. Y.; Cao, G. F.; Mo, X. H.; Zhou, L.; Wu, L. H.; Fang, J.; Zhao, Y. B.; Gao, Q.; Huang, L.; Shen, X. Y.; Zheng, J. P.; Zhu, Y. S.; Li, X. N.; Zhang, B. Y.; Jiang, X. S.; Gu, M. H.; Lu, Y. P.; Dong, L. Y.; Ma, X. Y.; Hu, H. M.; Gong, W. X.; Dai, J. P.; Zhao, G.; Yuan, Y.; Wu, Z.; Chu, Y. P.; Fang, Y.; Luo, X. L.; Kang, X. L.; Ji, X. L.; Li, H. B.; Li, J. C.; Zhang, S. H.; Li, F.; Zhang, J. Y.; Zhou, X. Y.; Wang, L. S.; Jin, S.; Tang, X.; Chen, X.; Song, W. M.; Yang, H. X.; Qin, Z. H.; Xiao, D.; Li, G.; Zhang, J. Z.; He, K. L.; Chen, G.; Ping, R. G.; Qiu, J. F.; Zhao, J. W.; Chen, J. C.; Ablikim, M.; Han, Y. L.; Liu, C. X.; Zhang, J. J.; Zhu, K.; Qin, X. S.; Dai, H. L.; Wang, W.; Li, W. D.; Bai, J. Z.] Inst High Energy Phys, Beijing 100049, Peoples R China.
[Shen, C. P.] Beihang Univ, Beijing 100191, Peoples R China.
[Albrecht, M.; Leyhe, M.; Wiedner, U.; Pelizaeus, M.; Kopf, B.; Held, T.] Ruhr Univ Bochum, D-44780 Bochum, Germany.
[Briere, R. A.; Liu, C. L.; Albayrak, O.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Yang, Y.; Zhang, Z. H.; Liu, Feng; Huang, G. M.; Mo, Y. J.] Cent China Normal Univ, Wuhan 430079, Peoples R China.
通讯机构:
[Ablikim, M.] I
Inst High Energy Phys, Beijing 100049, Peoples R China.
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2014
卷:
112
期:
25
页码:
251801
基金类别:
Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2009CB825200]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11079008, 11179007, U1232101, U1232107, U1332201]; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [10625524, 10821063, 10825524, 10835001, 10935007, 11125525, 11235011, 11175189]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility ProgramChinese Academy of Sciences; CASChinese Academy of Sciences [KJCX2-YW-N29, KJCX2-YW-N45]; 100 Talents Program of CASChinese Academy of Sciences; German Research Foundation DFGGerman Research Foundation (DFG) [Collaborative Research Center CRC-1044]; Istituto Nazionale di Fisica Nucleare, ItalyIstituto Nazionale di Fisica Nucleare (INFN); Ministry of Development of TurkeyTurkiye Cumhuriyeti Kalkinma Bakanligi [DPT2006 K-120470]; U.S. Department of EnergyUnited States Department of Energy (DOE) [DE-FG02-04ER41291, DE-FG02-05ER41374, DE-FG02-94ER40823, DESC0010118]; U.S. National Science FoundationNational Science Foundation (NSF); University of Groningen (RuG); Helmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt; WCU Program of National Research Foundation of Korea [R32-2008-000-10155-0]
机构署名:
本校为其他机构
摘要:
Using a sample of 1.3×109J/ψ events collected with the BESIII detector, we report the first observation of η′→π+π- π+π- and η′→π+π-π0π0. The measured branching fractions are B(η′→π+π-π+π-)=[8.53±0.69(stat.) ±0.64(syst.)]×10-5 and B(η′→π+π-π0π0)= [1.82±0.35(stat.)±0.18(syst.)]×10-4, which are consistent with theoretical predictions based on a combination of chiral perturbation theory and vector-meson do...

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