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Appl Radiat Isot. 2015 Mar;97:78-83. doi: 10.1016/j.apradiso.2014.12.014. Epub 2014 Dec 18.

Filtered epithermal quasi-monoenergetic neutron beams at research reactor facilities.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

M S Mansy, I I Bashter, M S El-Mesiry, N Habib, M Adib

Affiliations

  1. Physics Department, Faculty of Science, Zagazig University, Egypt. Electronic address: [email protected].
  2. Physics Department, Faculty of Science, Zagazig University, Egypt.
  3. Reactor Physics Department, NRC, Atomic Energy Authority, Cairo, Egypt.

PMID: 25544666 DOI: 10.1016/j.apradiso.2014.12.014

Abstract

Filtered neutron techniques were applied to produce quasi-monoenergetic neutron beams in the energy range of 1.5-133keV at research reactors. A simulation study was performed to characterize the filter components and transmitted beam lines. The filtered beams were characterized in terms of the optimal thickness of the main and additive components. The filtered neutron beams had high purity and intensity, with low contamination from the accompanying thermal emission, fast neutrons and γ-rays. A computer code named "QMNB" was developed in the "MATLAB" programming language to perform the required calculations.

Copyright © 2014 Elsevier Ltd. All rights reserved.

Keywords: BNCT; Cross-section; Epithermal neutrons; Neutron filters; Quasi mono-energetic beams; Reactor beams

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