Determination of the number of ψ(3686) events taken at BESⅢ

作     者：BESⅢ Collaboration 

出 版 物：《Chinese Physics C》 (中国物理C)

年 卷 期：2024年第9期

页      面：12-24页

核心收录：

学科分类：07[理学] 070202[理学-粒子物理与原子核物理] 0702[理学-物理学] 

基　　金：supported in part by National Key R&D Program of China under Contracts Nos. 2020YFA0406300, 2020YFA0406400 National Natural Science Foundation of China (NSFC) under Contracts Nos. 12150004,11635010, 11735014, 11835012, 11935015, 11935016, 11935018, 11961141012, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262,12192263, 12192264, 12192265, 12221005, 12225509, 12235017 the Program of Science and Technology Development Plan of Jilin Province of China under Contract Nos. 20210508047RQ and 20230101021JC the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program the CAS Center for Excellence in Particle Physics (CCEPP) Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract No. U1832207 CAS Key Research Program of Frontier Sciences under Contracts Nos. QYZDJ-SSW-SLH003, QYZDJ-SSW-SLH040 100 Talents Program of CAS The Institute of Nuclear and Particle Physics (INPAC) Shanghai Key Laboratory for Particle Physics and Cosmology European Union's Horizon 2020 research and innovation programme under Marie Sklodowska-Curie grant agreement under Contract No. 894790 German Research Foundation DFG under Contracts Nos. 455635585, Collaborative Research Center CRC 1044,FOR5327, GRK 2149 Istituto Nazionale di Fisica Nucleare,Italy Ministry of Development of Turkey under Contract No. DPT2006K-120470 National Research Foundation of Korea under Contract No. NRF-2022R1A2C1092335 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 under Contract No.B16F640076 Polish National Science Centre under Contract No. 2019/35/O/ST2/02907 The Swedish Research Council U. S. Department of Energy under Contract No. DE-FG02-05ER41374 

摘      要：The number of ψ(3686) events collected by the BESⅢ detector during the 2021 run period is determined to be(2259.3±11.1)×10～6 by counting inclusive ψ(3686) hadronic *** uncertainty is systematic and the statistical uncertainty is ***,the numbers of ψ(3686) events collected during the 2009 and 2012run periods are updated to be(107.7±0.6)×10～6 and(345.4±2.6)×10～6,*** numbers are consistent with the previous measurements within one standard *** total number of ψ(3686) events in the three data samples is(2712.4±14.3)×10～6.