Étalonnage des détecteurs de radioprotection avec des gammas d'énergie supérieure à 1 MeV : utilisation de faisceaux de gammas de capture

Bermann, F.; Portal, G.

doi:10.1051/radiopro/1991017

Radioprotection

1991

DOI: 10.1051/radiopro/1991017

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Étalonnage des détecteurs de radioprotection avec des gammas d'énergie supérieure à 1 MeV : utilisation de faisceaux de gammas de capture

F. Bermann

G. Portal

Abstract: RÉSUMÉUne

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2017

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Metrological Support of Dosimetry Gamma-Ray With Energy to 10 Mev for Radiation Protection Devices

Komar¹,

Лукашевич²,

Guzov³

et al. 2017

Prib. metody izmer.

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The field of high-energy gamma-ray for the calibration of radiation protection devices can be obtained by capturing thermal neutrons from titanium target (to 7 MeV) and nickel target (to 10 MeV). The aim of this work was to determine the metrological characteristics of capture gamma-ray fields from titanium target and nickel target obtained at the AT140 Neutron Calibration Facility to provide dosimetry up to 10 MeV.We have chosen energy intervals in which we can calibrate dosimetry devices taking into account the accompanying generation of gamma-ray neutrons by the fast neutron source 238PuBe, the capture radiation of collimator materials and capture radiation from targets.We measured air kerma rate with the aid of the reference AT5350 dosimeter with the ionization chamber TM32002. Using the Monte-Carlo simulation, we obtained the energy distribution of the air kerma rate for targets. We determined the geometric dimensions of the uniform field and the interval of operating distances of the facility.We investigated the metrological characteristics of capture gamma-ray fields from titanium target and nickel target obtained at the AT140 Neutron Calibration Facility for dosimetric radiation protection devices. We showed that in such fields it is possible to calibrate dosimetry devices in the extended energy range up to 10 MeV.

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Metrological Support of Dosimetry Gamma-Ray With Energy to 10 Mev for Radiation Protection Devices

Komar¹,

Лукашевич²,

Guzov³

et al. 2017

Prib. metody izmer.

View full text Add to dashboard Cite

show abstract

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Étalonnage des détecteurs de radioprotection avec des gammas d'énergie supérieure à 1 MeV : utilisation de faisceaux de gammas de capture

Abstract: RÉSUMÉUne

Cited by 1 publication

References 3 publications

Metrological Support of Dosimetry Gamma-Ray With Energy to 10 Mev for Radiation Protection Devices

Metrological Support of Dosimetry Gamma-Ray With Energy to 10 Mev for Radiation Protection Devices

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