NEUTRON DOSIMETRY USING A TISSUE-EQUIVALENT IONIZATION CHAMBER

Authors
  1. Hirning, C.R.
  2. Rushton, L.P.
Corporate Authors
Defence Research Establishment Ottawa, Ottawa ONT (CAN)
Abstract
A system for the measurement of neutron tissue dose or kerma has been assembled, and tested. The dosimeter is a tissue-equivalent ionization chamber, of modified commercial design. It is enclosed in an airtight aluminum shell, which can be filled with tissue-equivalent gas and sealed, thereby eliminating the need for continuous gas flow. Ionization current can be measured using either a commercial electrometer or a DREO-constructed electrometer. The latter instrument enables the readout device to be located far from the dosimeter without an increase in the leakage current. Calibration theory and procedures are described, and correction factors discussed.
Report Number
TN-80-20 —
Date of publication
15 May 1980
Number of Pages
20
DSTKIM No
80-03349
CANDIS No
91028
Format(s):
Hardcopy;Originator's fiche received by DSIS

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