Autores: Thayná Ramos Coutinho; Walsan Wagner Pereira.
Tema: Metrologia de nêutrons
Resumo:
The Neutron Metrology Laboratory (LN) is reference in neutron metrology, being responsible for custody and maintenance of the Brazilian Neutron Fluence Standart. The purpose of this study was to determine the values of fluence, ambient and individual dose equivalents produced by a source of 252Cf positioned in the center of a steel spherical cavity filled with light water. Fluence values were determined using the Bonner multisphere spectrometer for 84 neutron energy ranges from 10-9MeV untill 20MeV. The values of total fluence, personal dose equivalent and ambient dose equivalent were determined and their uncertainties were estimated.
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