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Thermal Neutron Detector Based on LaOBr:Ce/LiF

  • L. FiserovaEmail author
  • J. Janda
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 227)

Abstract

The work follows up the previous studies which proved the group of lanthanide oxybromides (LnOBr) to be very sensitive to the detection of heavy particles and therefore suitable for the detection of neutrons when mixed with appropriate conversion material. From the group of LnOBr, lanthanum oxybromide activated by cerium (LaOBr:Ce) showed to be the most sensitive for detection of a charged particle, e.g. alpha particles. This led to the construction on novel small thermal neutron probe based on the mixture of LaOBr:Ce and lithium-6 fluoride fixed on the thin optical carrier and optically coupled on 1″ PMT. The detection efficiency and effective n/γ separation were partially successful using pulse shape discrimination. The results were compared to the reference detection system based on standard ZnS:Ag/LiF mixture.

Notes

Acknowledgements

This project TE01020445 was provided with the financial support of the Technology Agency of the Czech Republic.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.NUVIA a.s.TrebicCzech Republic
  2. 2.UOPZHN, University of DefenceVyskovCzech Republic

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