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Cooling rate effects in thermoluminescence dosimetry grade lithium flouride. Implications for practical dosimetry.

Authors
  • Mason, E W
  • McKinlay, A F
  • Clark, I
Type
Published Article
Journal
Physics in medicine and biology
Publication Date
Jan 01, 1976
Volume
21
Issue
1
Pages
60–66
Identifiers
PMID: 1267932
Source
Medline
License
Unknown

Abstract

A systematic investigation of the effects of cooling rates in the range of 10(-1) to 2 X 10(5) degrees C min-1 applied to TLD-700, LiF thermoluminescence dosemeters has shown that the 'transfer sensitivity' effect observed by Booth, Johnson and Attix (1972) is only of importance for cooling rates greater than 10(3) degrees C min-1. Although it is concluded that for practical dosimetry purposes the effect may be ignored it is not clear why Booth et al. observed such large changes and until this discrepancy is explained it is recommended that a low temperature pre-irradiation anneal should be used.

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