EXPERIMENTAL AND COMPUTATIONAL EVALUATION OF EFFECTIVE CENTRE FROM A LONG COUNTER AT NEUTRON METROLOGY LABORATORY IN BRAZIL

A long counter detector was manufactured by the Institute of Advanced Studies (IEAV) and was characterised in the neutron low scattering room at Brazilian National Ionising Radiation Metrology Laboratory (LNMRI/IRD) to deploy a secondary Standard for neutron fluence. The effective centre was measure...

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Veröffentlicht in:Radiation protection dosimetry 2018-08, Vol.180 (1-4), p.37-41
Hauptverfasser: Fernandes, S S, Astuto, A, Patrão, K C S, Fonseca, E S, Pereira, W W, Lopes, R T
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container_end_page 41
container_issue 1-4
container_start_page 37
container_title Radiation protection dosimetry
container_volume 180
creator Fernandes, S S
Astuto, A
Patrão, K C S
Fonseca, E S
Pereira, W W
Lopes, R T
description A long counter detector was manufactured by the Institute of Advanced Studies (IEAV) and was characterised in the neutron low scattering room at Brazilian National Ionising Radiation Metrology Laboratory (LNMRI/IRD) to deploy a secondary Standard for neutron fluence. The effective centre was measured experimentally with 252Cf+D2O, 252Cf, 241AmBe and 238PuBe neutron sources, having average energies from 0.55 to 4.16 MeV. The experimental arrangement and detector construction were carefully reproduced in Monte Carlo simulations, and the computational results were found to be in good agreement with those from experiment.
doi_str_mv 10.1093/rpd/ncy080
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subjects Americium - analysis
Americium - standards
Beryllium - analysis
Beryllium - standards
Calibration
Californium - analysis
Californium - standards
Laboratories - standards
Monte Carlo Method
Neutrons
Plutonium - analysis
Plutonium - standards
Radiation Dosage
Radiation Monitoring - standards
Radiation Protection - standards
title EXPERIMENTAL AND COMPUTATIONAL EVALUATION OF EFFECTIVE CENTRE FROM A LONG COUNTER AT NEUTRON METROLOGY LABORATORY IN BRAZIL
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