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Several techniques for improving energy dependence of a commercial personal neutron dosemeter package based on PADC track detector

Authors
Journal
Radiation Measurements
1350-4487
Publisher
Elsevier
Publication Date
Volume
44
Identifiers
DOI: 10.1016/j.radmeas.2009.10.024
Keywords
  • Neutron Personal Dosemeter
  • Energy Dependence
  • Etch-Pit Distribution
  • Two-Window Method
  • Radiator–Degrader
Disciplines
  • Chemistry
  • Design

Abstract

Abstract The practical applicability of several techniques has been investigated for improving the energy dependence of PADC-based personal neutron dosemeter for a commercial dose-assessment service. Under a constraint of no modification in detector material and the fixed chemical processes, two technical attempts have been investigated: an analysis of etch-pit data obtained by microscopic observation and a design of radiator structure. In addition to the number of etch-pits, information of their distribution in terms of various parameters was analyzed. It was found that the two-window method was possibly applicable to the distribution in the etch-pit size and the gray-level. In the latter, a performance of radiator–degrader structure has been confirmed experimentally, and it was found to be one of most promising techniques.

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