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Measurement of the branching fractions of the decays Λc+→ ΛKS0K+, Λc+ → ΛKS0π+, and Λc+ → ΛK*+

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成果类型:
期刊论文
作者:
Ablikim, M.;Achasov, M. N.;Adlarson, P.;Afedulidis, O.;Ai, X. C.;...
通讯作者:
Ablikim, M
作者机构:
[Yu, B. X.; Yu, G.; Hu, T.; Ning, Z.; Zhang, P.; Wen, S. P.; Shi, X.; Sun, G. X.; Ma, M. M.; Chen, T.; Hou, X. T.; Zhu, Z. A.; Xu, G. F.; Wang, K.; Zhou, L. P.; Heng, Y. K.; Ji, Q.; Zhang, J. W.; Chen, Z. Y.; Rong, G.; Guan, C. Y.; Qi, F. Z.; Wang, Y. F.; Wang, L. L.; Ouyang, Q.; Jiang, D.; Liao, Y. P.; Zhang, A. Q.; Ji, X. B.; Qian, S.; Dong, M. Y.; Fang, S. S.; Chang, J. F.; Liu, Z. A.; Yang, T.; Yan, X. Q.; Sun, Z. Q.; Han, T. T.; Wu, J. F.; Sun, S. S.; Ding, B.; Fu, C. D.; Zhang, Y.; Lou, X. C.; Lin, T.; Zhang, B. X.; Xing, T. Y.; Cao, G. F.; Ji, W.; Wu, L. H.; Zhao, Y. B.; Fu, Y. W.; Zheng, J. P.; Jiang, X. S.; Kiuchi, R.; Fang, Y. Q.; Gu, M. H.; Lu, Y. P.; Dong, L. Y.; Zhang, H. Q.; Zhao, G.; Wu, L. J.; Li, L. J.; Yuan, Y.; Lu, X. L.; Wu, Z.; Fang, Y.; Luo, X. L.; Ji, X. L.; Zhang, X. M.; Li, X. Y.; Li, L. K.; Li, H. B.; Liu, F.; Liang, H.; Huang, Y. P.; Zhang, J. Y.; Zhao, L.; Yin, J. H.; Yang, Y. F.; Batozskaya, V.; Song, W. M.; Chen, X. T.; Zhang, J. Z.; He, K. L.; Chen, G.; Ablikim, M.; Liu, C. X.; Li, X.; Zhu, K.; Liu, H. H.; Zhao, J. Z.; Mao, Z. P.; Xiao, S. Y.; Lu, J. G.; Liu, P. L.; Jing, M. Q.; Sun, H. K.; Chen, Y. B.; Du, M. C.; Wang, Z.; Ablikim, M; Zhao, J. Y.; Dong, J.; Shi, J. Y.; Yuan, C. Z.; Tang, G. Y.; Yuan, S. C.; Zhang, H. Y.; Chen, M. L.; Zhang, Z. H.; Hou, G. Y.; Shen, H. F.; Shao, L. G.; Hou, Z. L.; Sun, Y. Z.; Liu, B. J.; Xiang, B. H.; Zhu, K. J.; Liu, H. M.; Xu, C. F.; Ma, H. L.; Ye, M.; Xie, Y. G.; Chen, H. S.; Cao, N.; Ma, X. T.; Deng, Z. Y.; Ma, Q. M.; Wang, Z. Y.; Cai, X.; Zhang, Y. H.; Ma, R. Q.; Zheng, W. J.; Zou, J. H.; Liu, J. Y.; Wang, X. N.; Kui, X.; Li, W. G.; Wang, Y. Q.; Mo, X. H.; Fang, J.; Li, Q. M.; Shen, X. Y.; Ma, X. Y.; Hu, H. M.; Li, K.; Gong, W. X.; Xu, W.; Hu, Y.; Wang, B.; Zhang, B. L.; Ma, J. L.; Yang, Y. X.; Miao, H.; Zhang, S. H.; Li, F.; Lu, Z. H.; Yang, H. X.; Qin, Z. H.; Li, G.; Ping, R. G.; Qiu, J. F.; Zhang, Z. D.; Zhang, H. C.; Dai, H. L.; Li, W. D.; Fang, W. X.; Zeng, Y. J.] Inst High Energy Phys, Beijing 100049, Peoples R China.
[Xu, H. Y.; Yuan, L.] Beihang Univ, Beijing 100191, Peoples R China.
[Afedulidis, O.; Fritsch, M.; Heinsius, F. H.; Kuessner, M.; Hanisch, F.; Pelizaeus, M.; Kopf, B.; Wollenberg, L.; Holtmann, T.; de Boer, R. E.; Feldbauer, F.; Wiedner, U.; Hoelzken, F.] Bochum Ruhr Univ, D-44780 Bochum, Germany.
[Achasov, M. N.; Nikolaev, I. B.; Muchnoi, N. Yu.] Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia.
[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:
2025
卷:
111
期:
1
页码:
012014
基金类别:
IHEP computing center; National Key R&D Program of China [2020YFA0406400, 2020YFA0406300, 2023YFA1606000, 2023YFA1609400]; National Natural Science Foundation of China (NSFC) [11635010, 12105127, 11735014, 11835012, 11935015, 11935016, 11935018, 11961141012, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12221005, 12225509, 12235017, 12422504]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; CAS Center for Excellence in Particle Physics (CCEPP); NSFC; CAS [U1832207]; CAS Key Research Program of Frontier Sciences [QYZDJ-SSWSLH003, QYZDJ-SSW-SLH040]; 100 Talents Program of CAS; Fundamental Research Funds for Central Universities, Lanzhou University, University of Chinese Academy of Sciences; Institute of Nuclear and Particle Physics (INPAC); Shanghai Key Laboratory for Particle Physics and Cosmology; European Union [894790]; German Research Foundation DFG [455635585, CRC 1044, FOR5327, GRK 2149]; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey [DPT2006K-120470]; National Research Foundation of Korea [NRF2022R1A2C1092335]; National Science and Technology fund of Mongolia; National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation of Thailand [B16F640076]; Polish National Science Centre [2019/35/O/ST2/02907]; Swedish Research Council; U.S. Department of Energy [DE-FG02-05ER41374, AFB230003]
机构署名:
本校为其他机构
摘要:
Studies are performed of the Cabibbo-favored decay Lambda(+)(c) -> Lambda(KSK+)-K-0 and the singly Cabibbosuppressed decay Lambda(+)(c) -> Lambda K-S(0)pi(+), based on a sample of e(+)e(-) collision data, corresponding to an integrated luminosity of 4.5 fb(-1), accumulated at center-of-mass energies between 4599.53 MeV and 4698.82 MeV with the BESIII detector. The decay Lambda(+)(c) -> Lambda K-S(0)pi(+) is observed for the first time. The branching fractions of Lambda(+)(c) -> Lambda(KSK+)-K-0 and Lambda(+)(c) -> Lambda K-S(0)pi(+) are measured to be (3.04 +/- 0.30 +/- 0.16) x 10(-3) and o1.7...

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