Journal of Radioanalytical and Nuclear Chemistry

, Volume 303, Issue 1, pp 115–121 | Cite as

Prompt gamma-ray neutron activation analysis of boron using Deuterium–Deuterium (D–D) neutron generator

  • K. Bergaoui
  • N. Reguigui
  • C. K. Gary
  • C. Brown
  • J. T. Cremer
  • J. H. Vainionpaa
  • M. A. Piestrup
Article

Abstract

Prompt gamma-ray neutron activation analysis (PGNAA) is a nuclear analytical technique for the determination of trace and other elements in solid, liquid or gaseous samples. The method consists in observing gamma rays emitted by a sample during neutron irradiation. The PGNAA system was built using a moderated and shielded deuterium–deuterium (D–D) neutron generator. This facility has been developed to determine the chemical composition of materials. The neutron generator is composed of three major components: An RF-Induction Ion Source, the Secondary Electron Shroud, and the Diode Accelerator Structure and Target. The generator produces monoenergetic neutrons (2.5 MeV) with a yield of 1010 n/s using 25–50 mA of beam current and 125 kV of acceleration voltage. Prompt γ-ray neutron activation analysis of 10B concentrations in Si and SiO2 matrices was carried out using a germanium detector (HPGe) and the results obtained are compared with a PGNAA system using a NaI detector. Neutron flux and energy distribution from D–D neutron generator at the sample position was calculated using Monte Carlo simulation. The interaction properties of neutrons in a Germanium detector have been studied.

Keywords

PGNAA D–D neutron generator HPGe detector NaI detector Boron MCNP6 

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • K. Bergaoui
    • 1
  • N. Reguigui
    • 1
  • C. K. Gary
    • 2
  • C. Brown
    • 2
  • J. T. Cremer
    • 2
  • J. H. Vainionpaa
    • 2
  • M. A. Piestrup
    • 2
  1. 1.Unité de recherche “Maîtrise et Développement des Techniques Nucléaires à Caractère Pacifique”National Center of Nuclear Sciences and TechnologiesSidi ThabetTunisia
  2. 2.Adelphi Technology Inc.Redwood CityUSA

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