Simulation and validation of a planar HPGe detector signal database for use in pulse shape analysis

Simulation and validation of a planar HPGe detector signal database for use in pulse shape analysis
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用于脉冲形状分析的平面 HPGe 探测器信号数据库的仿真和验证

DOI:
10.1016/j.nima.2022.166641
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发表时间:
2022
期刊:
Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子:
--
通讯作者:
Rintoul E
Rintoul E
中科院分区:
--
文献类型:
--
作者:
Rintoul E

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由于其优异的光谱性能和对γ-射线相互作用位置的敏感性,节段式高纯锗探测器在γ-射线成像应用中得到了广泛的应用。产生的图像的质量在很大程度上取决于识别探测器内相互作用位置的精度,这可以通过分割和应用脉冲形状分析(PSA)技术来实现。在这项工作中,建立了用于多层康普顿相机系统的HPGe平面探测器的模拟信号数据库。利用实验测量的准直γ光束数据,通过评估选定位置的脉冲形状响应,优化和验证了模拟中与杂质浓度和温度相关的迁移率参数。提出了一种网格搜索算法,用于分析单点和双点γ射线相互作用的信号比较法,提高了探测器内部的位置分辨率。
Due to their excellent spectroscopic capabilities and sensitivity to the position of γ-ray interactions, segmented High-Purity Germanium (HPGe) detectors are frequently used in γ-ray imaging applications. The quality of produced images is heavily dependent on the precision of the identification of interaction position within the detector that can be achieved through segmentation and the application of pulse shape analysis (PSA) techniques. In this work, a simulated database of signals was produced for a HPGe planar detector used in a multi-tiered Compton camera system. The impurity concentration and temperature-dependent mobility parameters of the simulation were optimised and validated by evaluating the pulse-shape response at select positions using experimentally-measured collimated γ-beam data. A grid-search algorithm was developed for analysis of single and double-site γ-ray interactions using signal comparison PSA and is shown to improve the position resolution within the detector.
DOI: --
发表时间: 2000
期刊:
影响因子: --
作者:
K. Vetter;A. Kuhn;M. Deleplanque;I. Lee;F. Stephens;G. Schmid;D. Beckedahl;J. Blair;R. Clark;M. Cromaz;R. Diamond;P. Fallon;G. Lane;J. Kammeraad;A. Macchiavelli;C. Svensson
通讯作者: C. Svensson
DOI: 10.1016/j.nima.2020.164804
发表时间: 2021
期刊: Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子: --
作者:
Rintoul E
通讯作者: Rintoul E
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DOI: --
发表时间: 1953
期刊:
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通讯作者: R. Lawrance
30 documentclass[12pt]{minimal} usepackage{amsmath} usepackage{wasysym} usepackage{amsfonts} usepackage{amssymb} usepackage{amsbsy} usepackage{mathrsfs} usepackage{upgreek} setlength{ 的特征
DOI: --
发表时间: 2019
期刊: The European Physical Journal C
影响因子: --
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DOI: 10.1016/j.nima.2019.02.043
发表时间: 2019
期刊: Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子: --
作者:
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