顶点拟合法抑制江门中微子实验PMT暗噪声  

Suppression of PMT Dark Noise In Jiangmen Neutrino Experiment by Vertex Fitting

作　　者：方肖 林韬 曹国富[3] 龚光华[4] 杨朝文[2] 李卫东[3] FANG Xiao;LIN Tao;CAO Guo-fu;GONG Guang-hua;YANG Chao-wen;LI Wei-dong(Chengdu Documentation and Information Center,Chinese Academy of Sciences,Chengdu 610065,China;School of Physics,Sichuan University,Chengdu 610065,China;Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China;Tsinghua University,Beijing 100084,China)

机构地区：[1]中国科学院成都文献情报中心,成都610065 [2]四川大学物理学院,成都610065 [3]中国科学院高能物理研究所,北京100049 [4]清华大学,北京100084

出　　处：《核电子学与探测技术》2021年第4期615-619,共5页Nuclear Electronics & Detection Technology

基　　金：中国科学院先导专项(XDA10010900)。

摘　　要：介绍了一种用于降低PMT暗噪声影响的新型顶点拟合法,并通过软件模拟论证了其降低触发阈值的可行性。该技术方案已通过实验合作组内部多次评审并作为实验中心探测器设计的一项基准方案。In this study,a new vertex fitting method is introduced to reduce the influence of PMT dark noise,and the feasibility of reducing the trigger threshold is demonstrated by software simulation.The technical scheme has passed several internal reviews of the experimental group and has been adopted as a benchmark scheme for the experiment.

关 键 词：中微子实验 JUNO 触发方案 顶点拟合法 

分 类 号：O572.2[理学—粒子物理与原子核物理]