Experimental and computational determination of the dose characteristics of a standard source of [gamma]-radiation

Experimental and computational determination of the dose characteristics of a standard source of [gamma]-radiation

The absorbed dose in a calorimeter is compared with Monte Carlo calculations for a standard source of exposure dose of γ-radiation from ^sup 60^Co. It is shown that if the initial γ-radiation spectrum is known to a high degree of accuracy, then a mathematical model of the interaction of particles an...

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Veröffentlicht in:Atomic energy (New York, N.Y.) N.Y.), 2009-11, Vol.107 (5), p.348
Hauptverfasser: Grunin, A V, Donskoi, E N, Zalyalov, A N, Ivanov, G A, Kovshov, K N, Lazarev, S A, Petrushin, O N, Tarasov, M D
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Energy
Gamma rays
Geometry
Heat
Mathematical models
Monte Carlo simulation
Radiation
Resistance thermometers
Sensors
Studies
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Zusammenfassung:The absorbed dose in a calorimeter is compared with Monte Carlo calculations for a standard source of exposure dose of γ-radiation from ^sup 60^Co. It is shown that if the initial γ-radiation spectrum is known to a high degree of accuracy, then a mathematical model of the interaction of particles and γ-rays with matter can be used to calculate the absorbed dose in a detector and the exposure dose in air to within several percent. This makes it possible to develop an experimental-computational method of transferring the dimensional units for the exposure dose and dose rate from a static standard to working means of measurement and pulsed bremsstrahlung sources.[PUBLICATION ABSTRACT]
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-010-9234-y