Self-attenuation corrections for Pb-210 in gamma-ray spectrometry using well and coaxial HPGe detectors

被引：6

作者：

Iurian, A. R. ^{[1
]}

Millward, G. E. ^{[2
]}

Sima, O. ^{[3
]}

Taylor, A. ^{[1
,2
]}

Blake, W. ^{[1
,2
]}

机构：

[1] Univ Plymouth, Sch Geog Earth & Environm Sci, Plymouth PL4 8AA, Devon, England

[2] Univ Plymouth, Consolidated Radioisotope Facil, Plymouth PL4 8AA, Devon, England

[3] Univ Bucharest, Phys Dept, Bucharest, Romania

来源：

APPLIED RADIATION AND ISOTOPES | 2018年 / 134卷

关键词：

Pb-210; Self-attenuation correction; Efficiency transfer factors; Well type detector; GESPECOR; ABSORPTION CORRECTIONS; GERMANIUM DETECTORS; EFFICIENCY; UNCERTAINTY; GESPECOR; SAMPLES;

D O I：

10.1016/j.apradiso.2017.06.048

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Semi-empirical methods for Pb-210 self-attenuation corrections were applied to sediment samples in vial and cylindrical geometries, and were validated against Monte Carlo modelling. Full Monte Carlo modelling (GESPECOR code) of the Cutshall transmission method was successfully applied for the determination of mass attenuation coefficients and efficiency transfer factors for coaxial detectors, and compared with the values derived from the matrix chemical composition. Simplified approaches were recommended when dealing with large numbers of samples.

引用

页码：151 / 156

页数：6

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