Influence of relative position gamma source–scintillator on response a large NE102 rectangular detector

Document Type : Full length research Paper

Authors

1 1School of Physics, Damghan University, Damghan, Iran

2 nuclear physics, physics, damghan university ,damghan, Iran

3 Department of Physics, Shahrood University of Technology, Shahrood, Iran

Abstract

In this paper, the effects of a relative position gamma source-scintillator on the efficiency of a large NE102 rectangular plastic scintillator (50 cm ×50 cm × 5 cm) have been simulated and measured. The response functions of the plastic scintillator at different 137Cs gamma source relative scintillator positions using MCNPX-PHOTRACK code have been simulated. The solid angle subtended by the detector at the location of the source for different situations has been analytically calculated, and the effects on the efficiency of changes in the solid angle as a function of distance between the source and detector have been identified. The comparison confirms that the simulated response function represents a promising agreement with experiments.

Keywords

References

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Journal of Research on Many-body Systems
Volume 8, Issue 18
October 2018
Pages 61-68

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History

  • Receive Date: 02 September 2017
  • Revise Date: 28 January 2018
  • Accept Date: 05 February 2018

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