Thermoluminescence in CaF2:Dy and CaF2:Mn induced by monoenergetic, parallel beam, 81.0 MeV diffracted neutrons

Y. S. Horowitz, B. Ben Shahar, A. Dubi, H. Pinto

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The thermal neutron thermoluminescence response of CaF2:Dy (TLD-200, 0.35% wt Dy) and CaF2:Mn (TLD-400, 2% wt mn) have been measured by exposure to a monoenergetic, parallel beam of 81.0 MeV neutrons from a Kandi-II diffractometer. The TL dosemeters were rectangular and of 0.165*0.165*0-83 cm dimensions. The thermoluminescent response of both materials is both theoretically and experimentally shown to be composed of a thermal neutron induced prompt gamma component (approximately 20%) as well as the major component due to the thermal neutron induced beta decay of 165Dy and 56Mn. It is pointed out that the thermal neutron thermoluminescent response of both materials is size and geometry dependent.

Original languageEnglish
Article number011
Pages (from-to)500-510
Number of pages11
JournalPhysics in Medicine and Biology
Volume22
Issue number3
DOIs
StatePublished - 1 Dec 1977

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

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