A study of aging effects of barrel Time-Of-Flight system in the BESIII experiment

A study of aging effects of barrel Time-Of-Flight system in the BESIII experiment
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BESIII机筒飞行时间系统老化效应研究

DOI:
10.1016/j.nima.2017.11.024
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发表时间:
2017-04
期刊:
Nuclear Inst. and Methods in Physics Research, A
影响因子:
--
通讯作者:
S. S. Fang et al.
S. S. Fang et al.
中科院分区:
其他
文献类型:
--
作者:
H. H. Liu;S. S. Sun;S. S. Fang et al.

文献摘要

参考文献

相似文献

摘要在北京正负电子对撞机(BEPCII)双环e+ e−对撞机的BESIII实验中,由塑料闪烁计数器组成的飞行时间系统在粒子识别中起着重要的作用。桶TOF系统的检测效率的退化已经被观察到,因为开始的物理数据,这种影响引发了密集和系统的研究有关的老化影响的检测器。根据近几年的数据,得到了衰减长度和相对增益的老化率。这项研究是必不可少的,以确保延长操作的桶TOF系统在最佳条件下。
Abstract The Time-Of-Flight system consisting of plastic scintillation counters plays an important role for particle identification in the BESIII experiment at the BEPCII double ring e+ e− collider. Degradation of the detection efficiency of the barrel TOF system has been observed since the start of physical data taking and this effect has triggered intensive and systematic studies about aging effects of the detector. The aging rates of the attenuation lengths and relative gains are obtained based on the data acquired in past several years. This study is essential for ensuring an extended operation of the barrel TOF system in optimal conditions.
DOI: 10.1088/1674-1137/41/1/016103
发表时间: 2017-01
期刊: Chinese Physics C
影响因子: 3.6
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