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. 2000 Mar;52(3):387-91.
doi: 10.1016/s0969-8043(99)00183-9.

Improved methods of measurement and analysis of conversion electron and beta-particle spectra

O Dragoun  1 , A Spalek, M Rysavy, A Kovalik, EA Yakushev, V Brabec V, J Frana, D Venos
Affiliations

Improved methods of measurement and analysis of conversion electron and beta-particle spectra

O Dragoun et al. Appl Radiat Isot. 2000 Mar.

Abstract

A general statistical test of the stability of measurement conditions was demonstrated on the beta-spectra of 241Pu cumulated during four years. The alpha- and gamma-ray spectroscopy indicated stability of the 241Pu source. Monte Carlo modelling of individual collision events clarified the role of electron scattering and energy losses within a radioactive source down to energies of several hundreds of eV. The impact ionization by beta-particles of carbon and oxygen atoms in a surface contamination layer on the 241Pu and 63Ni sources was observed.

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