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基于CLYC的宽剂量速率范围便携式中子马探测器的开发

Yuliang Huang¹, Keqing Zhao¹, Chenyu Shan²

¹State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei, 230026, China; Department of Modern Physics, University of Science and Technology of China, Hefei, 230026, China.

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概括

使用CLYC晶体的新型便携式中子马探测器提供环境辐射监测. 该设备作为玛光谱仪,剂量计和中子计数器,达到6mSv/h的上限.

科学领域:

核仪器仪表核仪器仪表核仪器仪表核仪器仪表
辐射检测和测量辐射检测和测量
环境监测环境监测环境监测

背景情况:

准确的环境辐射监测对于安全和研究至关重要.
现有的探测器可能缺乏可移植性或对混合辐射场的全面功能.
对于能够同时进行马和中子测量的多功能探测器的需求正在增长.

研究的目的:

开发和描述一个便携式中子马探测器,用于环境辐射监测.
为了评估基于-6化硫化 (CLYC) 晶体的探测器的性能.
评估探测器作为玛光谱仪,玛剂量计和热中子计的功能.

主要方法:

使用CLYC晶体和光倍增管 (PMT) 的便携式探测器系统的开发.
实施一种当前模式,以延长玛剂量速率测量的上限.
脉冲形状歧视 (PSD) 技术用于玛和中子差异化.
绩效评估,包括PSD的能源分辨率和功效图 (FOM).

主要成果:

开发的探测器在662 keV时具有4.86%的玛能量分辨率.
使用当前模式实现了大约6mSv/h的高测量极限,用于玛剂量速率.
对于玛和中子脉冲形状歧视,获得了3.32 ± 0.04的优点图 (FOM).
在中国分离中子源 (CSNS) 测量玛和中子辐射水平的首次成功应用.

结论:

基于CLYC的便携式中子马探测器是环境辐射监测的可行工具.
该探测器表现出有效的马和中子探测,具有良好的能量分辨率和PSD功能.
开发的探测器显示出在复杂的辐射环境中应用的前景,如粒子加速器设施.

关键词:

这就是CLYC. CLYC.马射线是指马射线的射线.混合场检测检测混合场检测检测中子子中子子中子中子便携式探测器便携式探测器

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