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Proceedings Paper

Dependence of spatial resolution and dose sensitivity of gas discharge converter on bremsstrahlung boundary energy range of 10-100 MeV
Author(s): S. N. Averyaskin; G. Ya. Anischenko; M. Yu. Kononov; A. K. Zaitzev; Valery Konstantin Kuleshov; S. V. Samylov
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Paper Abstract

The formation of latent radiation image was investigated using the method of statistic simulation of process of gamma radiation interaction with a gas discharge converter. The process of gamma quanta interaction with an input electrode was simulated, then we observed the paths of electrons coming out into gas and radial distribution of energy losses in gas. This permitted us to determine the dependence of registration efficiency, intrinsic unsharpness, and dose sensitivity on Bremsstrahlung boundary energy 10 - 100 MeV. Experiments gave dose and frequency-contrast characteristics of the gas discharge converter which have good agreement with calculation results. Intrinsic unsharpness of the gas discharge converter in the said energy range equals 6.4 to 3.4 mm, and dose sensitivity was from 2.7 X 10-8 up to 2.0 X 10-8 C/Kg.

Paper Details

Date Published: 1 January 1993
PDF: 10 pages
Proc. SPIE 1801, 20th International Congress on High Speed Photography and Photonics, (1 January 1993); doi: 10.1117/12.145723
Show Author Affiliations
S. N. Averyaskin, Institute of Technical Physics (Russia)
G. Ya. Anischenko, Institute of Technical Physics (Russia)
M. Yu. Kononov, Institute of Technical Physics (Russia)
A. K. Zaitzev, Institute of Technical Physics (Russia)
Valery Konstantin Kuleshov, Institute of Technical Physics (Russia)
S. V. Samylov, Institute of Technical Physics (Russia)

Published in SPIE Proceedings Vol. 1801:
20th International Congress on High Speed Photography and Photonics
John Marks Dewey; Roberto G. Racca, Editor(s)

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