Phys. Rev. C 71, 064321 (2005) [9 pages]Level structure of odd-odd 134Sb populated in the β- decays of 134,135SnReceived 21 December 2004; published 28 June 2005 The level structure of odd-odd 134Sb has been studied at CERN/ISOLDE following the β- decay of 134Sn and the β-delayed neutron decay of 135Sn. Elemental and isobaric separation were accomplished by use of a resonance ionization laser ion source and an on-line mass separator, respectively. Both γ-ray singles and γ-γ coincidence data were taken as a function of time. New levels at 279, 441, 555, 617, and 1385 keV have been identified and given proposed spin and parity assignments of 7-, 5-, 6-, 4-, and 5-, respectively, following β-delayed neutron decay of 7/2- 135Sn. New 1- levels have been identified at 1900, 2170, and 2430 keV following the β- decay of 0+ 134Sn. The resulting level structures are compared to shell-model calculations using the CD Bonn interaction and scaled and unscaled Kuo-Herling interactions developed for the 208Pb region. Remarkably enough, the unscaled Kuo-Herling interaction provides the best fit for the levels below 1 MeV. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.71.064321
DOI:
10.1103/PhysRevC.71.064321
PACS:
21.10.-k, 21.60.-n, 23.40.-s, 27.60.-j
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