分类： 核科学技术 >> 粒子加速器 提交时间： 2023-06-18 合作期刊: 《Nuclear Science and Techniques》
QIAN Sen
NING Zhe
FU Zai-Wei
CHEN Xiao-Hui
SUN Yong-Jie
YANG Shuai
JIA Ru
ZHANG Jia-Wen
HENG Yue-Kun
LI Cheng
LI Jia-Cai
QI Ming
ZHENG Yang-Heng
摘要： A test system is developed for the BESIII ETOF/MRPC beam tests of data acquisition, environment monitoring and automatic control. The software framework is based on the CAMAC bus, VME bus and Serial Port, which are responsible for communications with the detectors. The monitor system works well in the beam test.
分类： 核科学技术 >> 核探测技术与核电子学 提交时间： 2023-06-18 合作期刊: 《Nuclear Science and Techniques》
XI Jian-Bo
LIANG Hao
XIANG Shi-Tao
GUO Di
ZHOU Jin-Jin
LI Yu-Ying
LI Yang
LIU Han-Chao
ZHOU Yong-Zhao
LI Chun-Hua
ZHANG Jia-Wen
CHEN Jin
HE Kang-Lin
ZHU Ke-Jun
摘要： Resistive Plate Chambers (RPCs) built from a new type of Bakelite developed at Institute of High Energy Physics (IHEP), Chinese Academy of Sciences have been used in the BESIII Muon identification system for several years without linseed oil coating, but characteristic aging performances were observed. To adapt to the RPCs in the aging state, the front-end electronics have been upgraded by enhancing the front-end protection, improving the threshold setting circuit, and separating power supplies of the comparator and the field programmable gate array (FPGA). Improvements in system stability, front-end protection and threshold consistency have been achieved. In this paper, the system upgrade and the test results are described in detail.
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