Simulation study of BESⅢwith stitched CMOS pixel detector using AcTs

查看全文 作　　者：Yi [1]Liu;Xiao‑Cong [1]Ai;Guang‑Yan [2]Xiao;Ya‑Xuan [3]Li;Ling‑Hui [4]Wu;Liang‑Liang [4]Wang;Jia‑Ning [5]Dong;Ming‑Yi [4,6]Dong;Qing‑Lin [5]Geng;Min [7]Luo;Yan [5]Niu;An‑Qing [5]Wang;Chen‑Xu [7]Wang;Meng [5]Wang;Lei [2]Zhang;Liang [5]Zhang;Rui‑Kai [7]Zhang;Yao [4]Zhang;Ming‑Gang [3]Zhao;Yang [4]Zhou

机构地区：[1]School of Physics and Microelectronics,Zhengzhou University,Zhengzhou 450001,China;[2]School of Physics,Nanjing University,Nanjing 210093,China;[3]School of Physics,Nankai University,Tianjin 300071,China;[4]Institute of High Energy Physics,Chinese Academy of Sciences,19B Yuquan Road,Shijingshan District,Beijing 100049,China;[5]Research Center for Particle Science and Technology,Institute of Frontier and Interdisciplinary Science,Shandong University,Qingdao 266237,China;[6]University of Chinese Academy of Sciences,19A Yuquan Road,Shijingshan District,Beijing 100049,China;[7]School of Information Science and Engineering,Harbin Institute of Technology,Weihai 264209,China

出　　处：《Nuclear Science and Techniques》索引2023年第34卷第12期,共7页

基　　金：supported by the National Natural Science Foundation of China(Nos.U2032203,12275296,12275297,12075142,12175256,12035009);National Key R&D Program of China(No.2020YFA0406302)。 摘　　要：The reconstruction of the tracks of charged particles with high precision is crucial for HEP experiments to achieve their physics goals.The BESⅢdrift chamber,which is used as the tracking detector of the BESⅢexperiment,has suffered from aging effects resulting in degraded tracking performance after operation for approximately 15 years.To preserve and enhance the tracking performance of BESⅢ,one of the proposals is to add one layer of a thin cylindrical CMOS pixel sensor based on state-of-the-art stitching technology between the beam pipe and the drift chamber.The improvement in the tracking performance of BESⅢwith such an additional pixel detector compared to that with only the existing drift chamber was studied using the modern common tracking software Acts,which provides a set of detector-agnostic and highly performant tracking algorithms that have demonstrated promising performance for a few high-energy physics and nuclear physics experiments. 关键词：BESⅢtracking detector CMOS pixel sensor Track reconstruction Common tracking software

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Simulation study of BESⅢwith stitched CMOS pixel detector using AcTs

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