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An arsenic-activation detector for bursts of 2.5 and 14 MeV neutron

Authors
Journal
Nuclear Instruments and Methods in Physics Research
0167-5087
Publisher
Elsevier
Publication Date
Volume
213
Identifiers
DOI: 10.1016/0167-5087(83)90434-9

Abstract

Abstract An activation detector has been developed for measuring the output of pulsed neutron generators. This detector utilizes the 75As(n, n′) 75mAs reaction and detection of the 0.3 MeV gamma rays from 75 m As(τ 1 2 =17 ms) by a plastic scintillator. The efficiency in counts per incident neutron is about 0.25% at 2.5 MeV and 0.35% at 14 MeV.

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