Title: beta decay of the proton-rich T-z=-1/2 nucleus, Kr-71
Authors: Oinonen, M ×
Jokinen, A
Aysto, J
Baumann, P
Didierjean, F
Honkanen, A
Huck, A
Huyse, Marc
Knipper, A
Marguier, G
Novikov, Y
Popov, A
Ramdhane, M
Seliverstov, DM
Van Duppen, Piet
Walter, G #
Issue Date: Aug-1997
Publisher: American physical soc
Series Title: Physical Review C vol:56 issue:2 pages:745-752
Abstract: beta decay of the T-z=-1/2 nuclide Kr-71 has been studied at the ISOLDE PSB Facility at CERN. Kr-71 ions were produced in spallation reactions in a Nb foil using the 1 GeV proton beam and studied by means of beta-delayed proton, beta- and gamma-ray spectroscopy. The half-life and the beta-decay energy of Kr-71 were determined using the decay of protons and positrons. These results: T-1/2=100+/-3 ms and Q(EC)=10.14+/-0.32 MeV and the first observation of the beta branch to the 207 keV level in Br-71 makes the extension of the systematics of Gamow-Teller matrix elements of mirror nuclei up to A=71 possible. The Gamow-Teller strength of the same magnitude as that of the fp-shell mirror nuclei is observed for the ground-state transition.
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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