Allowance for self-absorption in the gamma-ray spectrometry of volume sources

Allowance for self-absorption in the gamma-ray spectrometry of volume sources

A computational method is developed for taking into account the self-absorption of gamma rays in bulk samples in the ranges of energies 0.1-3 MeV and densities 0.2-2 g/cm^sup 3^, which are typically encountered in radioecology. Experimental confirmation is obtained for calculations in standard measu...

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Veröffentlicht in:Measurement techniques 1999-10, Vol.42 (10), p.982-986
Hauptverfasser: Bokun, R. Ch, Grigor'ev, E. I., Troshin, V. S.
Format: Artikel
Sprache:eng
Schlagworte:
Allowances
Bulk density
Computation
Density
Gamma rays
Mathematical analysis
Spectrometry
Spectroscopy
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Zusammenfassung:A computational method is developed for taking into account the self-absorption of gamma rays in bulk samples in the ranges of energies 0.1-3 MeV and densities 0.2-2 g/cm^sup 3^, which are typically encountered in radioecology. Experimental confirmation is obtained for calculations in standard measurement geometries: Marinelli 0.5-liter and 1-liter, and Denta 0.1-liter: The advantages in accuracy of the relative self-absorption coefficients used in the article are demonstrated.[PUBLICATION ABSTRACT]
ISSN:0543-1972
1573-8906
DOI:10.1007/BF02504235