Offline data processing system of the BESIII experiment

作者：J. H. Zou, Weidong Li, Qiumei Ma, Z. You, Shengsen Sun, Z. Y. Deng, X. B. Ji, Alexy Zhemchugov, Wenxing Fang, C. D. Fu, Kang-Lin He, Xingtao Huang, T. Lin, Chunxiu Liu, Huaimin Liu, Zepu Mao, Jinfa Qiu, Y. Z. Sun, Shuopin Wen, L. H. Wu, Liangliang Wang, Ye Yuan, Yao Zhang, X. M. Zhang, Guang Zhao · 发表于：The European Physical Journal C · 年份：2024 · DOI：10.1140/epjc/s10052-024-13241-3 · 被引用次数：9 · 研究领域：Particle Detector Development and Performance、Particle physics theoretical and experimental studies、Radiation Detection and Scintillator Technologies

Abstract The BESIII experiment has been operating since 2009 and has received several upgrades, to study the $$\tau $$ τ -charm physics utilizing the BEPCII accelerator. The BEPCII is a double-ring multi-bunch collider with a luminosity of $$1 \times 10^{33} \, {\text {cm}}^{-2} \, {\text {s}}^{-1}$$ 1 × 10 33 cm - 2 s - 1 optimized at a center-of-mass (cms) energy of $$2 \times 1.89$$ 2 × 1.89 GeV. The rich physics topics, long lifetime and the large volume of data present challenges to offline data processing. This paper describes the design and implementation of the offline software system to meet the requirements and challenges of BESIII, including offline software architecture, geometry management, database management, event data model and tag-based analysis.