Calibration of Neutron-Multiplicity Detectors


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Resumo

A method of calibrating neutron-multiplicity detectors using standard samples, certified in terms of the effective mass of240Pu, is described. The proposed method has an advantage over calibration using252Cf samples certified in terms of the neutron flux – the systematic shift of the measurements that is associated with the approximate nature of the method is eliminated. The serviceability of the proposed method of calibration is confirmed experimentally. The accuracy of the measurements of the effective mass of240Pu by the neutron-multiplicity method is evaluated: the standard deviation is several tenths of a percent.

Sobre autores

A. Gorbunova

Bochvar All-Russia Research Institute for Inorganic Materials (VNIINM)

Email: j-atomicenergy@yandex.ru
Rússia, Moscow

V. Rogozhkin

Bochvar All-Russia Research Institute for Inorganic Materials (VNIINM)

Email: j-atomicenergy@yandex.ru
Rússia, Moscow

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