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闪烁体探测器中光的衰减通式(英文)

蓝江山 赵凤仪 丁萌 韩成栋 张亚鹏 陈旭荣

蓝江山, 赵凤仪, 丁萌, 韩成栋, 张亚鹏, 陈旭荣. 闪烁体探测器中光的衰减通式(英文)[J]. 原子核物理评论, 2019, 36(1): 78-84. doi: 10.11804/NuclPhysRev.36.01.078
引用本文: 蓝江山, 赵凤仪, 丁萌, 韩成栋, 张亚鹏, 陈旭荣. 闪烁体探测器中光的衰减通式(英文)[J]. 原子核物理评论, 2019, 36(1): 78-84. doi: 10.11804/NuclPhysRev.36.01.078
LAN Jiangshan, ZHAO Fengyi, DING Meng, HAN Chengdong, ZHANG Yapeng, CHEN Xurong. A Universal Formula for Light Attenuation of Scintillator Detector[J]. Nuclear Physics Review, 2019, 36(1): 78-84. doi: 10.11804/NuclPhysRev.36.01.078
Citation: LAN Jiangshan, ZHAO Fengyi, DING Meng, HAN Chengdong, ZHANG Yapeng, CHEN Xurong. A Universal Formula for Light Attenuation of Scintillator Detector[J]. Nuclear Physics Review, 2019, 36(1): 78-84. doi: 10.11804/NuclPhysRev.36.01.078

闪烁体探测器中光的衰减通式(英文)

doi: 10.11804/NuclPhysRev.36.01.078
基金项目: 国家重点研发计划项目(2016YFA0400201);国家自然科学基金资助项目(11673047,U1738127);中国科学院西部之光人才培养计划项目(Y532050XB0)
详细信息
    作者简介:

    蓝江山(1991-),male,Quanzhou,Fujian,Graduate student,working on particle and nuclear physics;E-mail:jiangshanlan@impcas.ac.cn

    通讯作者: 陈旭荣,E-mail:xchen@impcas.ac.cn
  • 中图分类号: O572.21+2

A Universal Formula for Light Attenuation of Scintillator Detector

Funds: National Key Research and Development Program of China (2016YFA0400201); National Natural Science Foundation of China (11673047, U1738127); CAS "Light of West China" Program (Y532050XB0)
  • 摘要: 闪烁体探测器被广泛应用于当今粒子物理与原子核物理实验中。研究闪烁探测器的光衰减规律(LASD)对时间和能量的准确测量都十分重要,这一点对条形闪烁探测器尤为如此。本文以圆柱闪烁探测器为例,对各向同性的闪烁光进行立体角积分,进而研究不同立体角下光程差异对结果的影响。在数值计算的基础上,导出了描述LASD的通用公式。在一定条件下,公式可以约化为双指数衰减形式。对于DAMPE上PSD的实验数据,该公式能使闪烁体远端的拟合偏差从大约10%降低至2%以下。同时,模型也能够很好地描述Kaiser实验、Gierlik实验和Platino实验的实验数据。


    Scintillator detectors are widely used in modern nuclear and particle physics experiments. Studying the light attenuation of scintillator detector (LASD) is vitally important for extracting proper measurements of energy and time. In this paper, we integrate the isotropic fluorescence over solid angle to study the influence on overall light-intensity from varying optical path at different angle. Based on numerical results, a universal formula for describing LASD is derived. Under certain condition, our formula can be written as a form of widely-used double-exponential function. The universal formula describes the experimental data of PSD at DAMPE, reducing the maximum deviation at far-side of the scintillator from~10% to less than 2%. Moreover, our model also deciphers Kaiser's experiment, Gierlik's experiment and Platino's experiment successfully.
  • [1] BAYATIAN G L, CHATRCHYAN S, HMAYAKYAN G, et al.[CMS Collaboration], CERN-LHCC-2006-001, CMSTDR-8-1. http://inspirehep.net/record/1614070.
    [2] ABLIKIM M, AN Z H, BAI J Z, et al. BESⅢ Collaboration, Nucl Instr and Meth A, 2010, 614:345.
    [3] CHANG J, AMBROSI G, AN Q, et al. DAMPE Collaboration, Astropart Phys, 2017, 95:6.
    [4] YU Y H, SUN Z Y, SU H, et al. Astropart Phys, 2017, 94:1.
    [5] ZHANG Y P, ZHANG Y J, DONG T K, et al. DAMPE Collaboration, PoS 2018, ICRC2017:168.
    [6] MENG D, ZHANG Y P, ZHANG Y J, et al. Res Astron Astrophys, 2019, 19(3):047.
    [7] KAISER W C, VILLIERS DE J A M. IEEE Transactions on Nuclear Science, 1964, 11(3):29.
    [8] TAIUTI M, ROSSI P, MORANDOTTI R, et al. Nucl Instr and Meth A, 1996, 370:429.
    [9] GIERLIK M, BATSCH, MARCINKOWSKI R, et al. Nucl Instr and Meth A, 2008, 593:426.
    [10] PLATINO M, HAMPEL M R,ALMELA A, et al. JINST 2011, 6:P06006.
    [11] CHIPAUX R, GELEOC M. Nucl Instr and Meth A, 2000, 451:610.
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出版历程
  • 收稿日期:  2018-12-29
  • 修回日期:  2019-02-21
  • 刊出日期:  2019-03-20

闪烁体探测器中光的衰减通式(英文)

doi: 10.11804/NuclPhysRev.36.01.078
    基金项目:  国家重点研发计划项目(2016YFA0400201);国家自然科学基金资助项目(11673047,U1738127);中国科学院西部之光人才培养计划项目(Y532050XB0)
    作者简介:

    蓝江山(1991-),male,Quanzhou,Fujian,Graduate student,working on particle and nuclear physics;E-mail:jiangshanlan@impcas.ac.cn

    通讯作者: 陈旭荣,E-mail:xchen@impcas.ac.cn
  • 中图分类号: O572.21+2

摘要: 闪烁体探测器被广泛应用于当今粒子物理与原子核物理实验中。研究闪烁探测器的光衰减规律(LASD)对时间和能量的准确测量都十分重要,这一点对条形闪烁探测器尤为如此。本文以圆柱闪烁探测器为例,对各向同性的闪烁光进行立体角积分,进而研究不同立体角下光程差异对结果的影响。在数值计算的基础上,导出了描述LASD的通用公式。在一定条件下,公式可以约化为双指数衰减形式。对于DAMPE上PSD的实验数据,该公式能使闪烁体远端的拟合偏差从大约10%降低至2%以下。同时,模型也能够很好地描述Kaiser实验、Gierlik实验和Platino实验的实验数据。


Scintillator detectors are widely used in modern nuclear and particle physics experiments. Studying the light attenuation of scintillator detector (LASD) is vitally important for extracting proper measurements of energy and time. In this paper, we integrate the isotropic fluorescence over solid angle to study the influence on overall light-intensity from varying optical path at different angle. Based on numerical results, a universal formula for describing LASD is derived. Under certain condition, our formula can be written as a form of widely-used double-exponential function. The universal formula describes the experimental data of PSD at DAMPE, reducing the maximum deviation at far-side of the scintillator from~10% to less than 2%. Moreover, our model also deciphers Kaiser's experiment, Gierlik's experiment and Platino's experiment successfully.

English Abstract

蓝江山, 赵凤仪, 丁萌, 韩成栋, 张亚鹏, 陈旭荣. 闪烁体探测器中光的衰减通式(英文)[J]. 原子核物理评论, 2019, 36(1): 78-84. doi: 10.11804/NuclPhysRev.36.01.078
引用本文: 蓝江山, 赵凤仪, 丁萌, 韩成栋, 张亚鹏, 陈旭荣. 闪烁体探测器中光的衰减通式(英文)[J]. 原子核物理评论, 2019, 36(1): 78-84. doi: 10.11804/NuclPhysRev.36.01.078
LAN Jiangshan, ZHAO Fengyi, DING Meng, HAN Chengdong, ZHANG Yapeng, CHEN Xurong. A Universal Formula for Light Attenuation of Scintillator Detector[J]. Nuclear Physics Review, 2019, 36(1): 78-84. doi: 10.11804/NuclPhysRev.36.01.078
Citation: LAN Jiangshan, ZHAO Fengyi, DING Meng, HAN Chengdong, ZHANG Yapeng, CHEN Xurong. A Universal Formula for Light Attenuation of Scintillator Detector[J]. Nuclear Physics Review, 2019, 36(1): 78-84. doi: 10.11804/NuclPhysRev.36.01.078
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