A mathematical method to calculate efficiency of BF3 detectors

ADVANCED NUCLEAR INSTRUMENTATION AND DETECTION

A mathematical method to calculate efficiency of BF₃ detectors

SI Fenni，

HU Qingyuan，

PENG Taiping

Nuclear Science and Techniques

Vol.20, No.3

pp.181-183

Published in print 20 Jun 2009

DOI：10.13538/j.1001-8042/nst.20.181-183

37401

In order to calculate absolute efficiency of the BF₃ detector, MCNP/4C code is applied to calculate relative efficiency of the BF₃ detector first, and then absolute efficiency is figured out through mathematical techniques. Finally an energy response curve of the BF₃ detector for 1~20 MeV neutrons is derived. It turns out that efficiency of BF₃ detector are relatively uniform for 2~16 MeV neutrons.

BF3 detectorAbsolute efficiencyRelative efficiencyEnergy response curve

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