Optimization and validation of a LaBr3(Ce) detector model for use in Monte Carlo simulations

Hasan Md Moudud; Vidmar Tim; Rutten Jos; Verheyen Leen; Camps Johan; Huysmans Marijke

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Optimization and validation of a LaBr3(Ce) detector model for use in Monte Carlo simulations

机译：Monte Carlo模拟中使用LABR3（CE）探测器模型的优化与验证

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A reliable detector model is needed for Monte Carlo efficiency calibration. A LaBr3(Ce) detector model was optimized and verified using different radioactive sources (Am-241, Ba-133, Cs-137, Co-60 and Eu-152) and geometries (point, extended and surface). PENELOPE and MCNP were used for Monte Carlo simulations. A good agreement was observed between simulated and experimental full energy peak efficiencies (FEPE) as their mean relative difference was 2.84% +/- 1.93% and 2.79% +/- 1.99% for PENELOPE and MCNP simulation, respectively. The differences between simulated FEPEs of two Monte Carlo codes were negligible except for low energies (< 100 keV).

机译：蒙特卡罗效率校准需要一个可靠的探测器模型。使用不同的放射源（Am-241、Ba-133、Cs-137、Co-60和Eu-152）和几何形状（点、延伸和表面），对LaBr3（Ce）探测器模型进行了优化和验证。PENELOPE和MCNP被用于蒙特卡罗模拟。PENELOPE和MCNP模拟的模拟和实验全能量峰值效率（FEPE）之间的平均相对差异分别为2.84%+/-1.93%和2.79%+/-1.99%，因此观察到了良好的一致性。除了低能量（<100kev）外，两个蒙特卡罗程序模拟的FEPE之间的差异可以忽略不计。

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来源
《Applied radiation and isotopes: including data, instrumentation and methods for use in agriculture, industry and medicine》 |2021年第1期|共14页
作者
Hasan Md Moudud; Vidmar Tim; Rutten Jos; Verheyen Leen; Camps Johan; Huysmans Marijke;
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作者单位

Belgian Nucl Res Ctr SCK CEN Boeretang 200 B-2400 Mol Belgium;

Belgian Nucl Res Ctr SCK CEN Boeretang 200 B-2400 Mol Belgium;

Belgian Nucl Res Ctr SCK CEN Boeretang 200 B-2400 Mol Belgium;

Belgian Nucl Res Ctr SCK CEN Boeretang 200 B-2400 Mol Belgium;

Belgian Nucl Res Ctr SCK CEN Boeretang 200 B-2400 Mol Belgium;

Vrije Univ Brussel VUB Dept Hydrol &

Hydraul Engn Pl Laan 2 BE-1050 Brussels Belgium;

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原文格式 PDF
正文语种 eng
中图分类原子核物理学、高能物理学;
关键词
Monte Carlo; Lanthanum bromide; Gamma spectrometry; MCNP; PENELOPE;

机译：蒙特卡洛;溴化镧;伽马能谱;MCNP;佩内洛普;

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Optimization and validation of a LaBr3(Ce) detector model for use in Monte Carlo simulations

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