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  • Title: Study of alpha-particle emission probabilities and energies in the decay of 240Pu.
    Author: Sibbens G, Pommé S.
    Journal: Appl Radiat Isot; 2004; 60(2-4):155-8. PubMed ID: 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.
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