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刘拓琦, 唐述文, 孙宇, 余玉洪, 方芳, 王世陶, 章学恒, 孙志宇, 卢奋华, 傅圣威, 李治垚, 魏啸宝, 徐颖锋. HIRFL-CSR外靶实验终端Veto探测器的刻度[J]. 原子核物理评论, 2024, 41(1): 453-459. DOI: 10.11804/NuclPhysRev.41.2023CNPC61
引用本文: 刘拓琦, 唐述文, 孙宇, 余玉洪, 方芳, 王世陶, 章学恒, 孙志宇, 卢奋华, 傅圣威, 李治垚, 魏啸宝, 徐颖锋. HIRFL-CSR外靶实验终端Veto探测器的刻度[J]. 原子核物理评论, 2024, 41(1): 453-459. DOI: 10.11804/NuclPhysRev.41.2023CNPC61
Tuoqi LIU, Shuwen TANG, Yu SUN, Yuhong YU, Fang FANG, Shitao WANG, Xueheng ZHANG, Zhiyu SUN, Fenhua LU, Shengwei FU, Zhiyao LI, Xiaobao WEI, Yingfeng XU. Calibration of the Veto Detector at ETF in HIRFL-CSR[J]. Nuclear Physics Review, 2024, 41(1): 453-459. DOI: 10.11804/NuclPhysRev.41.2023CNPC61
Citation: Tuoqi LIU, Shuwen TANG, Yu SUN, Yuhong YU, Fang FANG, Shitao WANG, Xueheng ZHANG, Zhiyu SUN, Fenhua LU, Shengwei FU, Zhiyao LI, Xiaobao WEI, Yingfeng XU. Calibration of the Veto Detector at ETF in HIRFL-CSR[J]. Nuclear Physics Review, 2024, 41(1): 453-459. DOI: 10.11804/NuclPhysRev.41.2023CNPC61

HIRFL-CSR外靶实验终端Veto探测器的刻度

Calibration of the Veto Detector at ETF in HIRFL-CSR

  • 摘要: 使用宇宙射线对兰州重离子加速器冷却储存环(HIRFL-CSR)外靶实验终端(ETF)的Veto探测器开展了刻度工作,工作主要分为位置刻度与时间刻度两部分。位置刻度可给出粒子在探测器上的击中位置,时间刻度则能为粒子在探测器上击中时刻的探测建立统一标准。这些信息是剔除入射到中子墙探测器的带电粒子事件的依据,可为中子墙探测器物理目标的实现提供重要支持。在刻度过程中,得到了Veto探测器的位置分辨半高全宽(FWHM)为2.53 cm,所有单元条时间归一后的时间分辨FWHM为1.09 ns。

     

    Abstract: Cosmic rays are used for the calibration of the Veto detector at ETF (External Target Facility) in HIRFL-CSR (Cooling Storage Ring of Heavy Ion Research Facility in Lanzhou). The work primarily involves two parts: position calibration and time calibration. Position calibration can provide the precise location of particle hits on the Veto detector, while time calibration can establish a uniform standard for the detection of the moment when a particle hits the detector. The information of hit position and hit time is crucial for identifying and excluding events of charged particles incident on the neutron wall detector, providing important support for the achievement of the physical objectives of the neutron wall detector. During the calibration process, the Veto detector's position resolution FWHM (Full Width at Half Maximum), was determined to be 2.53 cm, and the time resolution FWHM, after the normalization of the times of all unit bars, was found to be 1.09 ns.

     

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