The offline data quality monitoring of the BESIII end-cap TOF system  

作　　者：Ming-Ming Ma Jing-Yi Liu Shuo-Pin Wen Sheng-Sen Sun Chun-Xiu Liu Yong-Zhao Sun Zi-Yan Deng Ye Yuan Hong-Liang Dai Zhi Wu Yue-Kun Heng Huai-Min Liu 

机构地区：[1]Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,People’s Republic of China [2]University of Chinese Academy of Sciences,Beijing 100049,People’s Republic of China [3]State Key Laboratory of Particle Detection and Electronics,Beijing 100049,People’s Republic of China

出　　处：《Radiation Detection Technology and Methods》2021年第2期207-212,共6页辐射探测技术与方法（英文）

基　　金：National Natural Science Foundation of China(11575225,11875277,U1232201,11605220,U1832204);National Key Basic Research Program of China(2015CB856700);Chinese Academy of Sciences(1G201331231172010).

摘　　要：Background The end-cap time-of-flight(TOF)at Beijing Spectrometer was upgraded with multi-gap resistive plate chamber technology in order to improve the particle identification capability in 2015.The offline data quality monitoring(ODQM)is a critical aspect of the data processing chain aiming at providing data with good quality for physics analyses.Method An ODQM tool for upgraded end-cap TOF has been developed to provide feedback about the functioning and performance of detector hardware and data processing chain.Detector information and reconstructed time-of-flight characteristics of charged tracks are filled into plots using full Bhabha events’reconstruction results,and then,these plots are used to assess the operational conditions of the detector and the quality of the data by the experts.Result This paper describes the design and the content of performance of the ODQM of end-cap TOF and the data quality performance achieved during the last 2-year physical data taking.

关 键 词：Offline data quality monitoring TIME-OF-FLIGHT MRPC BESIII 

分 类 号：O57[理学—粒子物理与原子核物理]