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CALCULATION OF LET DISTRIBUTIONS IN THE ACTIVE VOLUME OF A RECOMBINATION CHAMBER

Research paper by Maciak M.

Indexed on: 04 Aug '18Published on: 04 May '18Published in: Radiation protection dosimetry



Abstract

Recombination chambers are linear energy transfer (LET)-dependent detectors and their applications are closely related to the problem of estimating radiation quality. The operational principle is based on the phenomenon of the initial recombination of ions in gases. Practical usefulness of the chambers is well confirmed by experimental results, however, the correlation of the response with LET is based on an approximated theoretical description of initial recombination of ions in gases. In this work, a precise numerical model of the REM-2 recombination chamber has been prepared, in order to calculate the dose distributions versus LET inside the chamber. The results form a set of data for further validation of recombination methods.