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Study of alpha-particle emission probabilities and energies in the decay of 240Pu.

作者信息

Sibbens G, Pommé S

机构信息

European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg, B-2440 Geel, Belgium.

出版信息

Appl Radiat Isot. 2004 Feb-Apr;60(2-4):155-8. doi: 10.1016/j.apradiso.2003.11.009.

DOI:10.1016/j.apradiso.2003.11.009
PMID:14987635
Abstract

In the frame of EUROMET Project No 325 "Analysis of Plutonium Alpha-Particle Spectra", the isotopic composition of a 238, 239, 240Pu mixture was measured by mass spectrometry and by high-resolution alpha-particle spectrometry. The latter revealed a discrepancy with published data of the alpha-particle emission probabilities (Palpha) and the energies (Ealpha) of the two major peaks of 240Pu. New values have been derived: Palpha1 = 0.7256 (6), Palpha2 = 0.2735 (7) and Ealpha1 = 5168.54 (14)keV, Ealpha2 = 5124.10 (15)keV, relative to reference peaks of 238Pu and 239Pu.

摘要

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