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Title: Shape isomerism at N = 40: Discovery of a proton intruder state in 67Co
Authors: Pauwels, Dieter ×
Ivanov, Oleg
Bree, Nick
Büscher, Jeroen
Cocolios, Thomas Elias
Gentens, Johnny
Huyse, Marc
Korgul, A
Kudryavtsev, Yuri
Raabe, Riccardo
Sawicka, Maria
Stefanescu, Irina
Van de Walle, Jarno
Van den Bergh, Paul
Van Duppen, Piet
Walters, W B #
Issue Date: 29-Oct-2008
Publisher: Published for the American Physical Society by the American Institute of Physics
Series Title: Physical Review C, Nuclear physics vol:78 pages:1-5
Article number: 041307(R)
Abstract: The nuclear structure of 67Co has been investigated through 67Fe β decay. The 67Fe isotopes were produced at the LISOL facility in proton-induced fission of 238U and selected using resonant laser ionization combined with mass separation. The application of a new correlation technique unambiguously revealed a 496(33) ms isomeric state in 67Co at an unexpected low energy of 492 keV. A 67Co level scheme was deduced. Proposed spin and parities suggest a spherical (7/2−) 67Co ground state and a deformed first excited (1/2−) state at 492 keV, interpreted as a proton 1p-2h prolate intruder state.
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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