Some modifications to Sima's model for total efficiency calculation of well-type detectors

Stefaan Pommé; Johan Camps; Goedele Sibbens; Tim Vidmar; Yana Spasova; Klaas van der Meer

doi:10.1007/s10967-009-0066-y

Some modifications to Sima's model for total efficiency calculation of well-type detectors

Stefaan Pommé, Johan Camps, Goedele Sibbens, Tim Vidmar, Yana Spasova, Klaas van der Meer

Research output › peer-review

Abstract

Some modifications are presented to Sima's simple analytical model for the calculation of the total detection efficiency of a well-type gamma-ray detector, aiming at improving its accuracy and broadening its applicability. The modifications pertain to some general improvements in the photon transmission probabilities through absorbing materials and implementation of specific equations for solid angle and mean path length through materials that describe the case of eccentrically positioned sources as well as volume sources. In particular, some improvement is achieved by implementing a contribution by elastic scattering effects.

Original language	English
Pages (from-to)	143-147
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	281
Issue number	1
DOIs	https://doi.org/10.1007/s10967-009-0066-y
State	Published - 27 Jun 2009

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Cite this

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title = "Some modifications to Sima's model for total efficiency calculation of well-type detectors",

abstract = "Some modifications are presented to Sima's simple analytical model for the calculation of the total detection efficiency of a well-type gamma-ray detector, aiming at improving its accuracy and broadening its applicability. The modifications pertain to some general improvements in the photon transmission probabilities through absorbing materials and implementation of specific equations for solid angle and mean path length through materials that describe the case of eccentrically positioned sources as well as volume sources. In particular, some improvement is achieved by implementing a contribution by elastic scattering effects.",

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AU - Pommé, Stefaan

AU - Camps, Johan

AU - Sibbens, Goedele

AU - Vidmar, Tim

AU - Spasova, Yana

A2 - van der Meer, Klaas

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KW - Detection efficiency

KW - Well detector

KW - Simulation

KW - Analytical model

KW - Standardisation

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