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JHM ~ 1977 STATUS OF GPIIMA HEATING MEASUREMENTS AT ANL

By G. G. Simons

Abstract

An introductory treatment of solid state dosimetry theory and the specific application of thermoluminescent dosimeters (TLDs) is presented with regard to gamma-ray heating in zero power reactors (ZPRs). Heating measurements are made in the Argonne National Laboratory ZPRs using encapsulated 7 ~ and i CaF2 ~ TLDs. Absolute gamma-ray heating in the medium surrounding the TLDs is attained from the TLD light output. This requires a prior knowledge of the dosimeter capsule calibration, energy response, and neutron sensitivity. Theoretical predictions of gamma-ray heating are made using 2D transport calculations and, where possible, ENDF/B data. A description of selected procedures is given and example data are compared to theoretical results for a plutonium-fueled assembly. I. DOSIMETER ENERGY RESPONSE For TLD measurements to be useful, one must be able to relate the absorbed dose observed in the dosimeter at a particular location to the expected ab

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.180.6624
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