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A three-detector positron lifetime setup suited for measurements on irradiated steels

Authors
Publisher
Elsevier B.V.
Publication Date
Volume
371
Issue
3
Identifiers
DOI: 10.1016/0168-9002(95)01007-6
Keywords
  • Special Applications

Abstract

Abstract An advanced positron lifetime setup is described, particularly suited to perform measurements on irradiated nuclear reactor pressure vessel steel. The equipment exists of three BaF 2-detectors operated in triple coincidence mode to avoid the very disturbing 60Co-contribution in the lifetime spectra. The use of BaF 2 scintillators gives rise to an acceptable efficiency and a time resolution well below 300 ps.

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