Title: alpha-decay spectroscopy of the new isotope At-192
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, DR #
Issue Date: Feb-2006
Publisher: Published for the American Physical Society by the American Institute of Physics
Series Title: Physical Review C, Nuclear physics vol:73 issue:2 pages:1-11
Article number: 024317
Abstract: Decay properties of the new neutron-deficient nuclide At-192 have been studied in the complete fusion reaction Sm-144(V-51,3n)At-192 at the velocity filter SHIP. Two isomeric states with half-lives of 88(6) ms and 11.5(6) ms, respectively, and with complex alpha-decay schemes were identified in At-192. The decay pattern of one of the isomers suggests that it is based on the oblate-deformed pi 2f(7/2)circle times nu 1i(13/2) configuration, which confirms the expected onset of deformation in the At isotopes by approaching the neutron midshell at N=104.
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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