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AIP Conference ProceedingsVolume 2174, 6 December 2019, Article number 0202486th International Young Researchers'' Conference on Physics, Technologies and Innovation, PTI 2019; Ekaterinburg; Russian Federation; 20 May 2019 through 23 May 2019; Code 155607

Estimate the absolute efficiency by MATLAB for the NaI (Tl) detector using IAEA-314(Conference Paper)(Open Access)

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  • aPhysics Department, Faculty of Science, Al-Azhar University, Assuit Branch, Egypt
  • bInstitute of Physics and Technology, Ural Federal University, Yekaterinburg, Russian Federation
  • cPhysics Department, College of Science, Al Jouf University, Saudi Arabia
  • dPhysics Department, College of Science, Tabuk University, Saudi Arabia

Abstract

This works amid to calculating the absolute efficiency at any interesting γ-energy in the energy range between 10 and 1764 keV. by using fit function which has been developed to calculate theoretically the absolute γ-ray detection efficiencies of a cylindrical NaI(Tl) crystal. Efficiency of the NaI(Tl) calculator is a program built in MATLAB by the author of this paper to make it easier to calculate the efficiency of standard source. The absolute γ-ray detection efficiencies have been calculated for detectors 3? x 3? inches NaI(Tl) crystal. The absolute efficiency of the NaI (Tl) detector was calculated using standard sources (IAEA-314) which have known activity of 226Ra (732 Bqkg-1) and 232Th (17.8 ppm). In this calculation, experimental and theoretical efficiencies have been calculated. The uncertainties of efficiency calibration have been calculated also for quality control. Measurements were performed with calibrated point source. Gamma-ray energies under consideration were 0.356, 0.662, 1.17 and 1.33 MeV. Efficiency function was obtained by applying Weibull Model equation to the experimental efficiency data which give Best agreement between experimental and theoretical absolute detection efficiencies of 3×3-inch detector for gamma energy. © 2019 Author(s).

  • ISSN: 0094243X
  • ISBN: 978-073541921-6
  • Source Type: Conference Proceeding
  • Original language: English
  • DOI: 10.1063/1.5134399
  • Document Type: Conference Paper
  • Volume Editors: Volkovich V.A.,Zvonarev S.V.,Kashin I.V.,Smirnov A.A.,Narkhov E.D.
  • Publisher: American Institute of Physics Inc.

  Saif, M.; Institute of Physics and Technology, Ural Federal University, Yekaterinburg, Russian Federation;
© Copyright 2019 Elsevier B.V., All rights reserved.

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