A 128-CHANNEL HIGH PRECISION TIME MEASUREMENT MODULE

被引:19
|
作者
Kang, Longfei [1 ,2 ]
Zhao, Lei [1 ,2 ]
Zhou, Jiawen [1 ,2 ]
Liu, Shubin [1 ,2 ]
An, Qi [1 ,2 ]
机构
[1] Univ Sci & Technol China, State Key Lab Particle Detect & Elect, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Dept Modern Phys, Anhua 230026, Peoples R China
基金
中国国家自然科学基金;
关键词
high precision; time measurement; PXI; data transfer; commissioning test;
D O I
10.2478/mms-2013-0024
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
In the external target experiment for heavy ion collisions in the HIRFL-CSR, Multi-Wire Drift Chambers are used to measure the drift time of charged particles to obtain the track information. This 128-channel high precision time measurement module is designed to perform the time digitization. The data transfer is based on a PXI interface to guarantee a high data rate. Test results show that a 100 ps resolution with a data transfer rate up to 40 MBps has been achieved; this module has also been proven to function well with the detector through a commissioning test.
引用
收藏
页码:275 / 286
页数:12
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