241Am-Be(α,n) CHARACTERIZATION FOR A NEW LABORATORY FACILITY IN BRAZIL

241Am-Be(α,n) CHARACTERIZATION FOR A NEW LABORATORY FACILITY IN BRAZIL

The Laboratório de Ciências Radiológicas is developing an irradiator for neutron survey meters calibration. Part of this work is related to the characterization of the neutron source that will be used in the irradiator. Therefore, a source of 241Am-Be(α,n) was characterized according to the followin...

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Veröffentlicht in:Radiation protection dosimetry 2018-08, Vol.180 (1-4), p.29-32
Hauptverfasser: Pereira, W W, Estrada, J J S, Patrão, K C S, Alves, C F E, Magalhães, L A G, Leite, S P
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Alpha Particles
Americium - analysis
Americium - standards
Laboratories - standards
Radiation Dosage
Radiation Monitoring - standards
Radiation Protection - standards
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container_end_page 32
container_issue 1-4
container_start_page 29
container_title Radiation protection dosimetry
container_volume 180
creator Pereira, W W
Estrada, J J S
Patrão, K C S
Alves, C F E
Magalhães, L A G
Leite, S P
description The Laboratório de Ciências Radiológicas is developing an irradiator for neutron survey meters calibration. Part of this work is related to the characterization of the neutron source that will be used in the irradiator. Therefore, a source of 241Am-Be(α,n) was characterized according to the following attributes: neutron energy distribution, anisotropy and emission rate. In order to make these values into high-level metrological references traceable by the Bureau International des Poids et Mesures, these measurements were taken at the Neutron Laboratory part of the Laboratório Nacional de Metrologia das Radiações Ionizantes. Results obtained for the source spectrum have strong adherence to the reference spectrum established by ISO 8529-1. The new laboratory for neutron calibration will allow calibration in an approximate ambient dose equivalent ranging 20-4500 μSv/h.
doi_str_mv 10.1093/rpd/ncx238
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source MEDLINE; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection
subjects Alpha Particles
Americium - analysis
Americium - standards
Laboratories - standards
Radiation Dosage
Radiation Monitoring - standards
Radiation Protection - standards
title 241Am-Be(α,n) CHARACTERIZATION FOR A NEW LABORATORY FACILITY IN BRAZIL
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