EPJ Web Conf.
Volume 261, 2022Applied Nuclear Physics Conference (ANPC 2021)
|Number of page(s)||5|
|Section||Ion and Neutron Beam Irradiation of Materials|
|Published online||11 April 2022|
An Optimized D-T neutron Generator Shielding for Prompt Gamma Ray Neutron Activation Analysis of Light Elements
Department of Physics, Faculty of Electrical Engineering and Computer Science, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, CZ-708 00 Ostrava, Czech Republic
Published online: 11 April 2022
We present an MCNP analysis of optimal gamma-detector shielding materials and their thicknesses for 14 MeV D-T neutron generator for detection of light elements by prompt gamma ray neutron activation analysis. Tungsten seems to be the best choice for the primary neutron-beam shielding of a minimum thickness, but copper and iron represent an economically acceptable alternative. To shield the gamma detector against gamma rays produced from neutron interactions in the laboratory walls another shielding made from lead is necessary.
© The Authors, published by EDP Sciences, 2022
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