Upgrade of End-cap TOF Trigger System on BESIII
Zhao JZ(赵京周); Liu ZA(刘振安); Gong WX(龚文煊); Deng F(邓芳); Cheng LB(程立波); Wu Z(吴智); Wang K(王珂); Huang J(黄杰); Zhao, J; Liu, Z; Gong, W; Deng, F; Cheng, L; Wu, Z; Wang, K; Huang, J
刊名2016 IEEE-NPSS REAL TIME CONFERENCE (RT)
2016
关键词BESIII ETOF MRPC trigger
DOI10.1109/RTC.2016.7543173
通讯作者赵京周
文章类型Proceedings Paper
英文摘要In the ETOF(End-cap TOF) upgrade of BESIII, MRPC(Multi-gap Resistive Plate Chamber) detectors are used. ETOF is designed with 72 MRPCs. 24 channels signal are read out from each MRPC, in which 6 neighbouring channels OR together in Front-End Electronic(FEE) side. So 288 channel hit signals are sent to ETOF trigger system for trigger logic. The MPRC hit signal is about 30 ns width after FEE. Hit signals are stretched and trigger data are stored by TDPP (Trigger Data Pre-Processor) and then sent to ETOFT (End-cap TOF Trigger) through 10 high speed optical fiber links. Trigger data are aligned and stored in FIFO in ETOFT. Trigger logic in the center FPGA counts hit signals and finds Back to Back (BtB) events and give out three ETOF trigger conditions: NETOF.GE.1, NETOF.GE.2 and ETOF. BB. ETOF trigger conditions are integrated with other detector trigger signals by SIF2(Signal Integrate and Fan-out Version2) to Global Trigger to generate L1. ETOF trigger system was installed on BESIII in Sept. 2015 and has run stable for half year.
语种英语
WOS记录号WOS:000389775600103
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260882
专题中国科学院高能物理研究所_实验物理中心_期刊论文
中国科学院高能物理研究所_实验物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhao JZ,Liu ZA,Gong WX,et al. Upgrade of End-cap TOF Trigger System on BESIII[J]. 2016 IEEE-NPSS REAL TIME CONFERENCE (RT),2016.
APA 赵京周.,刘振安.,龚文煊.,邓芳.,程立波.,...&Huang, J.(2016).Upgrade of End-cap TOF Trigger System on BESIII.2016 IEEE-NPSS REAL TIME CONFERENCE (RT).
MLA 赵京周,et al."Upgrade of End-cap TOF Trigger System on BESIII".2016 IEEE-NPSS REAL TIME CONFERENCE (RT) (2016).
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