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Evidence for the decays of Λ_c~+→∑~+η and ∑~+η'

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成果类型:
期刊论文
作者:
Ablikim, M.*;Achasov, M. N.;Ahmed, S.;Albrecht, M.;Alekseev, M.;...
通讯作者:
Ablikim, M.
作者机构:
[Yu, B. X.; Wang, X. F.; Hu, T.; Sun, Z. J.; Guo, R. P.; Ning, Z.; Lavezzi, L.; Wen, S. P.; Shi, X.; Sun, G. X.; Ma, M. M.; Min, J.; Zhao, Ling; Zhu, Z. A.; Xu, G. F.; Wang, K.; Heng, Y. K.; Ji, Q.; Zhang, J. W.; Rong, G.; Zhou, Q.; Li, H. J.; Wang, Y. F.; Wang, L. L.; Jin, D. P.; Xiu, Q. L.; Lu, Y.; Ouyang, Q.; Kurth, M.; Ji, X. B.; Qian, S.; Wang, P.; Dong, M. Y.; Fang, S. S.; Chang, J. F.; Wang, Zongyuan; Liu, Z. A.; Ke, B. C.; Sun, S. S.; Fu, C. D.; Lou, X. C.; Wang, Z. G.; Zhang, B. X.; Fu, Y.; Sun, X. H.; Cao, G. F.; Xiao, Y. J.; Xu, J. J.; Wu, L. H.; Zhao, Y. B.; Gao, Q.; 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.; Wu, Z.; Fang, Y.; Luo, X. L.; Ji, X. L.; Zhu, A. N.; Li, H. B.; Zhuang, J.; Li, J. C.; Guo, A. Q.; Zhang, Yang; Liao, L. Z.; Zhang, J. Y.; Wang, L. S.; Yin, J. H.; Liu, Huanhuan; Zhang, J. Z.; He, K. L.; Nisar, S.; Chen, G.; Xiong, X. A.; Chen, J. C.; Ablikim, M.; Liu, C. X.; Chang, W. L.; Zhu, K.; Zhao, J. Z.; Mao, Z. P.; Zhao, Q.; Lu, J. G.; Chen, Y. B.; Niu, S. L.; Wang, Z.; Liu, Fang; Zhao, J. Y.; Dong, J.; Zhang, C. C.; 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; Liu, H. M.; Ma, H. L.; Ye, M.; Xie, Y. G.; Lu, J. D.; Sheng, H. Y.; Song, X. Y.; Zou, B. S.; Chen, H. S.; Deng, Z. Y.; Ma, Q. M.; Wang, Z. Y.; Zhao, T. C.; Cai, X.; Xu, L.; Zhang, Y. H.; Zhu, S.; An, F. F.; Zou, J. H.; Zhang, Yao; Liu, J. Y.; Li, W. G.; Mo, X. H.; Zhou, L.; Fang, J.; Ma, X. X.; Shen, X. Y.; Zhu, Y. S.; Li, X. N.; Sun, Z. T.; Ma, X. Y.; Hu, H. M.; Gong, W. X.; Wang, P. L.; Zhang, J.; Duan, P. F.; Hu, Y.; Wang, B.; Wang, Meng; Li, F.; Zhang, K.; Zhou, X. Y.; Tang, X.; Yang, H. X.; Qin, Z. H.; Xiao, D.; 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.
[Yan, W. C.; Qi, H. R.; Shen, C. P.; Qi, T. Y.] Beihang Univ, Beijing 100191, Peoples R China.
[Li, Lei] Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China.
[Fritsch, M.; Heinsius, F. H.; Zhang, J. Q.; Weber, T.; Mustafa, A.; Kuessner, M.; Pitka, A.; Leiber, S.; Richter, M.; Pelizaeus, M.; Kopf, B.; Keshk, I. K.; Qin, X. S.; Albrecht, M.; Sowa, 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
关键词:
charmed baryon;Lambda(+)(C) decays;branching fractions
期刊:
中国物理C
ISSN:
1674-1137
年:
2019
卷:
43
期:
8
页码:
083002
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) [11235011, 11275266, 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); NSFCNational Natural Science Foundation of China (NSFC) [U1332201, U1532257, U1532258]; CASChinese Academy of Sciences [U1332201, U1532257, U1532258, KJCX2-YW-N29, KJCX2-YW-N45, QYZDJ-SSW-SLH003]; 100 Talents Program of CASChinese Academy of Sciences; National 1000 Talents Program of China; INPAC; Shanghai Key Laboratory for Particle Physics and Cosmology; German Research Foundation DFG (Collaborative Research Center CRC 1044)German Research Foundation (DFG) [FOR 2359]; Istituto Nazionale di Fisica Nucleare, ItalyIstituto Nazionale di Fisica Nucleare (INFN); Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) [530-4CDP03]; 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 National Research Foundation of Korea [R32-2008-000-10155-0]
机构署名:
本校为其他机构
摘要:
We study the hadronic decays of to the final states and, using an annihilation data sample of 567 pb-1 taken at a center-of-mass energy of 4.6 GeV with the BESIII detector at the BEPCII collider. We find evidence for the decays and with statistical significance of and, respectively. Normalizing to the reference decays and, we obtain the ratios of the branching fractions and to be and, respectively. The upper limits at the 90% confidence level are set to be and. Using BESIII measurements of the branching fractions of the reference decays, we det...

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