The Fricke Dosimeter as a 1-Hit Detector

Authors

Robert Katz, University of Nebraska-LincolnFollow
G. L. Sinclair, University of Nebraska-Lincoln
M. P. R. Waligorski, Institute of Nuclear Physics, Krakow, Poland

Date of this Version

November 1986

Comments

Published in Nuclear Tracks and Radiation Measurements 11:6 (1986), pp. 301–307; now known as Radiation Measurements; formerly International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements. Published by Pergamon Journals Ltd. Used by permission. http://www.sciencedirect.com/science/journal/13504487

Abstract

A fit to the experimental data for the response of the Fricke dosimeter to energetic heavy ions is obtained using a calculation of the relative effectiveness of a 1-hit detector, from track theory. We use 2 fitted parameters, the target size, a₀, which may be thought to represent a “diffusion length,” and E₀, the dose of gamma-rays at which there is an average of one hit per target (the D-37 dose), and a new algorithm for the average radial distribution of dose in liquid water from the passing ion. The G value for ions is then given as the product of the calculated relative effectiveness and the experimental G value for gamma rays.