THE USE OF A TISSUE-EQUIVALENT PROPORTIONAL COUNTER FOR DOSE MEASUREMENT AND MICRODOSIMETRIC QUANTIFICATION OF MIXED RADIATION FIELDS

Authors
  1. Cousins, T.
  2. Rushton, L.P.
Corporate Authors
Defence Research Establishment Ottawa, Ottawa ONT (CAN)
Abstract
The response of a tissue-equivalent proportional counter to a variety of neutron, gamma ray and mixed radiation fields was measured. The detection system encompasses unique electronic circuitry for data acquisition, followed by a dedicated microcomputer for analysis. The detector response to monoenergetic neutrons and gamma rays served to quantify such radiation fields in terms of the microdosimetric parameters y sub F and y sub D, enabling comparison with the work of other experimenters and existing computer codes. Excellent agreement was observed here. These experiments also resulted in a method of separating neutron and gamma ray dose components in mixed radiation fields. Finally the detector was used to measure both neutron and gamma ray doses at two distances from the fast neutron critical facility of the U.S. Army Pulse Radiation Division.
Report Number
903 —
Date of publication
15 Jun 1984
Number of Pages
41
DSTKIM No
85-01057
CANDIS No
45879
Format(s):
Hardcopy;Originator's fiche received by DSIS

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