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

M. G. Zhao, M. N. Achasov, P. Adlarson, O. Afedulidis, X. C. 小聪 Ai 艾, R. Aliberti, A. Amoroso, H. H. He, Y. 羽 Bai 白, O. Bakina, I. Balossino, Y. 勇 Ban 班, H.-R. 浩然 Bao 包, V. Batozskaya, K. Begzsuren, N. Berger, M. Berlowski, M. Bertani, D. Bettoni, F. Bianchi, E. Bianco, A. Bortone, I. Boyko, R. A. Briere, A. Brueggemann, H. 浩 Cai 蔡, X. 啸 Cai 蔡, A. Calcaterra, G. F. 国富 Cao 曹, N. 宁 Cao 曹, S. A. Cetin, J. F. 劲帆 Chang 常, G. R. 国荣 Che 车, G. Chelkov, C. 琛 Chen 陈, C. H. 春卉 Chen 陈, Chao 超 Chen 陈, G. 刚 Chen 陈, H. S. 和生 Chen 陈, H. Y. 弘扬 Chen 陈, M. L. 玛丽 Chen 陈, S. J. 申见 Chen 陈, S. L. 思璐 Chen 陈, S. M. 少敏 Chen 陈, T. 通 Chen 陈, X. R. 旭荣 Chen 陈, X. T. 肖婷 Chen 陈, Y. B. 元柏 Chen 陈, Y. Q. Chen, Z. J. 卓俊 Chen 陈, Z. Y. 正元 Chen 陈, S. K. Choi, G. Cibinetto, F. Cossio, J. J. 佳佳 Cui 崔, H. L. 洪亮 Dai 代, J. P. 建平 Dai 代, A. Dbeyssi, R. E. de Boer, D. Dedovich, C. Q. Deng, Z. Y. 子艳 Deng 邓, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, B. 彪 Ding 丁, X. X. 晓萱 Ding 丁, Y. 勇 Ding 丁, Y. 逸 Ding 丁, J. 静 Dong 董, L. Y. 燎原 Dong 董, M. Y. 明义 Dong 董, X. 翔 Dong 董, M. C. 蒙川 Du 杜, S. X. 书先 Du 杜, Y. Y. 尧予 Duan 段, Z. H. 宗欢 Duan 段, P. Egorov, Y. H. 宇晗 Fan 范, J. 建 Fang 方, J. 进 Fang 方, S. S. 双世 Fang 房, W. X. 文兴 Fang 方, Y. 易 Fang 方, Y. Q. 亚泉 Fang 方, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C. Q. 常青 Feng 封, J. H. 俊华 Feng 冯, Y. T. 玙潼 Feng 冯, M. Fritsch, C. D. 成栋 Fu 傅, J. L. 金林 Fu 傅, Y. W. 亦威 Fu 傅, H. 涵 Gao 高, X. B. 鑫博 Gao 高, Y. N. 原宁 Gao 高

2024Chinese Physics C50 citationsDOIOpen Access PDF

Abstract

Abstract 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 events. The uncertainty is systematic and the statistical uncertainty is negligible. Meanwhile, the numbers of ψ (3686) events collected during the 2009 and 2012 run periods are updated to be (107.7±0.6)×10 6 and (345.4±2.6)×10 6 , respectively. Both numbers are consistent with the previous measurements within one standard deviation. The total number of ψ (3686) events in the three data samples is (2712.4±14.3)×10 6 .

Topics & Concepts

PhysicsNuclear physicsParticle physicsParticle physics theoretical and experimental studiesQuantum Chromodynamics and Particle InteractionsHigh-Energy Particle Collisions Research
Determination of the number of ψ(3686) events taken at BESIII* | Litcius