Affiliation:
1. Physics Department, School of Sciences, Ferdowski University of Mashhad, Iran
Abstract
The multi-sphere method, a neutron detection technique, has been improved
with a BF3 long cylindrical counter as a thermal detector located in the
center of seven spheres with a diameter range of 3.5 to 12 inches. Energy
response functions of the system have been determined by applying the MCNP4C
Monte Carlo code of 10-8 MeV to 18 MeV. A new shadow cone has been designed
to account for scattered neutrons. Although the newly designed shadow cone
is smaller in length, its attenuation coefficient has been improved. To
evaluate the system, the neutron spectrum of a 241AM-Be source has been
measured.
Publisher
National Library of Serbia
Subject
Safety, Risk, Reliability and Quality,Nuclear Energy and Engineering
Cited by
10 articles.
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