Title: Fine-structure in the alpha-decay of even-even nuclei - experimental-evidence for the stability of the z=82 magic shell
Authors: Bijnens, N ×
Correia, Jg
Huyse, Marc
Hwang, Hy
Kirchner, R
Reusen, G
Roeckl, E
Van Duppen, Piet
Vonschwarzenberg, J
Wauters, Jan #
Issue Date: 1995
Publisher: Royal Swedish Academy of Sciences
Series Title: Physica Scripta T vol:T56 pages:110-113
Abstract: The fine structure in the alpha decay of even-even Po, Pb, Hg and Pt isotopes has been studied. Feeding towards low-lying O+ states in the Po-196.198, Pb-190.192.194, Hg-182.184 and Pt-176.178.180 isotopes is observed. The energy systematics of the positive parity states in the light Po isotopes indicates the appearance of shape coexistence in these nuclei as well. The hindrance factors of the alpha decay towards the excited 0(+) states has been interpreted in a two-level mixing calculation. It offers a probe for the identification of the proton particle-hole character of the 0(+) states in this region and strongly supports the persistence of the Z = 82 shell closure in the light Pb isotopes.
ISSN: 0281-1847
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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