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Title: alpha-decay of the new isotope Po-187: Probing prolate structures beyond the neutron mid-shell at N=104
Authors: Andreyev, Andrei ×
Antalic, S
Ackermann, D
Franchoo, S
Hessberger, FP
Hofmann, S
Huyse, Marc
Kojouharov, I
Kindler, B
Kuusiniemi, P
Lesher, SR
Lommel, B
Mann, R
Munzenberg, G
Nishio, K
Page, RD
Ressler, JJ
Streicher, B
Saro, S
Sulignano, B
Van Duppen, Piet
Wiseman, D
Wyss, R #
Issue Date: Apr-2006
Publisher: American physical soc
Series Title: Physical Review C vol:73 issue:4
Article number: 044324
Abstract: The new neutron-deficient isotope Po-187 has been identified in the complete fusion reaction Ti-46+Sm-144 -> Po-187+3n at the velocity filter SHIP. Striking features of the Po-187 alpha decay are the strongly-hindered decay to the spherical ground state and unhindered decay to a surprisingly low-lying deformed excited state at 286 keV in the daughter nucleus Pb-183. Based on the potential energy surface calculations, the Po-187 ground state and the 286 keV excited state in Pb-183 were interpreted as being of prolate origin. The systematic deviation of the alpha-decay properties in the lightest odd-A Po isotopes relative to the smooth behavior in the even-A neighbors is discussed. Improved data for the decay of Bi-187(m,g) were also obtained.
URI: 
ISSN: 0556-2813
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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