Online gamma dose-rate measurements by means of a self-powered gamma detector

Rudi Van Nieuwenhove; Ludo Vermeeren

doi:10.1109/TNS.2002.801486

Online gamma dose-rate measurements by means of a self-powered gamma detector

Research output › peer-review

Abstract

Gamma dose-rate profiles have been measured by means of a self-powered gamma detector (SPGD) in a gamma irradiation facility using ⁶⁰Co sources, situated in the side pool of the BR2 materials testing reactor. Because of its small size (diameter of only 4 mm), the SPGD is ideally Suited to perform very localized gamma dose-rate measurements. It has been shown that the SPGD can provide precise relative measurements of the local gamma dose rate in the range 0.5-20 kGy/h. A very detailed Monte Carlo code has been developed to relate the gamma dose rate (for a given gamma spectrum) to the current induced by the SPGD. The obtained conversion factor could thus be used to determine the absolute gamma dose rate.

Original language	English
Pages (from-to)	1914-1918
Number of pages	5
Journal	IEEE transactions on nuclear Science
Volume	49 I
Issue number	4
DOIs	https://doi.org/10.1109/TNS.2002.801486
State	Published - Aug 2002

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Electrical and Electronic Engineering

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10.1109/TNS.2002.801486License: Unspecified

Cite this

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title = "Online gamma dose-rate measurements by means of a self-powered gamma detector",

abstract = "Gamma dose-rate profiles have been measured by means of a self-powered gamma detector (SPGD) in a gamma irradiation facility using 60Co sources, situated in the side pool of the BR2 materials testing reactor. Because of its small size (diameter of only 4 mm), the SPGD is ideally Suited to perform very localized gamma dose-rate measurements. It has been shown that the SPGD can provide precise relative measurements of the local gamma dose rate in the range 0.5-20 kGy/h. A very detailed Monte Carlo code has been developed to relate the gamma dose rate (for a given gamma spectrum) to the current induced by the SPGD. The obtained conversion factor could thus be used to determine the absolute gamma dose rate.",

keywords = "Dosimetry, Gamma ray detectors, Nuclear measurements, Self-powered detectors",

author = "{Van Nieuwenhove}, Rudi and Ludo Vermeeren",

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AB - Gamma dose-rate profiles have been measured by means of a self-powered gamma detector (SPGD) in a gamma irradiation facility using 60Co sources, situated in the side pool of the BR2 materials testing reactor. Because of its small size (diameter of only 4 mm), the SPGD is ideally Suited to perform very localized gamma dose-rate measurements. It has been shown that the SPGD can provide precise relative measurements of the local gamma dose rate in the range 0.5-20 kGy/h. A very detailed Monte Carlo code has been developed to relate the gamma dose rate (for a given gamma spectrum) to the current induced by the SPGD. The obtained conversion factor could thus be used to determine the absolute gamma dose rate.

KW - Dosimetry

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KW - Self-powered detectors

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