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

被引：10

作者：

Hasan, Md Moudud ^{[1
,2
]}

Vidmar, Tim ^{[1
]}

Rutten, Jos ^{[1
]}

Verheyen, Leen ^{[1
]}

Camps, Johan ^{[1
]}

Huysmans, Marijke ^{[2
]}

机构：

[1] Belgian Nucl Res Ctr, SCK CEN, Boeretang 200, B-2400 Mol, Belgium

[2] Vrije Univ Brussel VUB, Dept Hydrol & Hydraul Engn, Pl Laan 2, BE-1050 Brussels, Belgium

来源：

APPLIED RADIATION AND ISOTOPES | 2021年 / 174卷

关键词：

Monte Carlo; Lanthanum bromide; Gamma spectrometry; MCNP; PENELOPE; GAMMA-RAY SPECTROMETRY; ENERGY PEAK EFFICIENCY; IN-SITU; EMITTING RADIONUCLIDES; CALIBRATION; NAI(TL); PENETRATION; PENELOPE; CODE;

D O I：

10.1016/j.apradiso.2021.109790

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

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).

引用

页数：14

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