用于CBM-TOF超级模块探测器质量控制的分布式数据读出方法

高压缩重子物质(Compressed Baryonic Matter,CBM)实验装置飞行时间谱仪利用由多气隙电阻板室(Multi-gap Resistive Plate Chamber,MRPC)探测器构建的超级模块实现高密度、高精度的粒子飞行时间测量,该超级模块可支持高达320通道的高精度时间测量能力,数据率高达6 Gbit·s~(-1)。为实现超级模块探测器的性能评估,提出一种基于千兆以太网的分布式数据读出方法,利用片上系统技术实现读出节点的千兆网络传输能力。测试结果表明,针对单条数据传输路径,原型读出模块在全链路情况下,能实现约467 Mbit·s-1的综合数据传输速率。读出方案中事例...

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Bibliographic Details
Published in核技术 Vol. 40; no. 6; pp. 49 - 55
Main Author 张雅希 曹平 黄锡汝 郑佳俊 蒋荻 安琪
Format Journal Article
LanguageChinese
Published 中国科学技术大学核探测与核电子学国家重点实验室 合肥 230026 2017
中国科学技术大学核科学技术学院 合肥 230026
中国科学技术大学近代物理系 合肥 230026%中国科学技术大学核探测与核电子学国家重点实验室 合肥 230026
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ISSN0253-3219
DOI10.11889/j.0253-3219.2017.hjs.40.060404

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Summary:高压缩重子物质(Compressed Baryonic Matter,CBM)实验装置飞行时间谱仪利用由多气隙电阻板室(Multi-gap Resistive Plate Chamber,MRPC)探测器构建的超级模块实现高密度、高精度的粒子飞行时间测量,该超级模块可支持高达320通道的高精度时间测量能力,数据率高达6 Gbit·s~(-1)。为实现超级模块探测器的性能评估,提出一种基于千兆以太网的分布式数据读出方法,利用片上系统技术实现读出节点的千兆网络传输能力。测试结果表明,针对单条数据传输路径,原型读出模块在全链路情况下,能实现约467 Mbit·s-1的综合数据传输速率。读出方案中事例组装、命令发送、状态显示等功能均运行正常。
Bibliography:ZHANG Yaxi1,2 CAO Ping1,3 HUANG xiru1,2 ZHENG Jiajun1,2 JIANG Di1,2 AN Qi1,2(State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China) 2(Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China) 3(School of Nuclear Science and Technology, University of Science and Technology of China, Hefet 230026, China)
31-1342/TL
CBM-TOF super module, Distributed data transmission, Gigabit Ethernet
Background: The time-of-flight (TOF) detector is a key component in the compressed baryonic matter (CBM) experiment at the facility for antiproton and ion research (FAIR). It utilizes super module detectors to achieve high-denseness, high-precision particle flight time measurement. Each super module supports up to 320 channels of high-precision time measurement capabilities, and the data transfer will reach up to 6-Gbit.s-1 peak rate. Purpose: This study aims at the quality control of data readout system for CBM-TOF super m
ISSN:0253-3219
DOI:10.11889/j.0253-3219.2017.hjs.40.060404