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A thermal neutron mini-detector with SiPM and scintillating fibers

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
0168-9002
Publisher
Elsevier
Publication Date
Volume
652
Issue
1
Identifiers
DOI: 10.1016/j.nima.2010.09.012
Keywords
  • Thermal Neutrons
  • Neutron Converter
  • Silicon Photomultiplier
  • Scintillators
Disciplines
  • Mathematics

Abstract

Abstract We developed and tested a simple prototype of thermal neutron detector suitable for inexpensive deployment in the decommissioning and storage of radioactive waste, as well as for mapping the flux in the out-of-core regions of fission reactors. Though the prototype version we tested provides the neutron rate by subtracting the gamma background measured with a twin detector insensitive to neutrons, a simple geometrical improvement can strongly reduce the gamma contribution.

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