T-band phenomena in 183Re
1 Department of Physics and Tandem Accelerator Center, University of
Tsukuba, Ibaraki 305-8577, Japan
2 The Niels Bohr Institute, University of Copenhagen, Roskilde, Denmark
Received: 20 April 1998 Communicated by B. Herskind
High-spin states in 183Re have been studied using the 176Yb(11B,4n) reaction at 52 and 57 MeV. Two high-K bands have been observed directly by a time-correlated - coincidence measurement. One of the bands is built on an isomeric state at Ex = 1908 keV with a half-life of 0.82(2) ms. The other band, assigned as at Ex = 2739 keV, decays to the band. These bands are interpreted as three-quasiparticle structures, for the band and for the band. The band becomes strongly Coriolis mixed with increasing spin and is gradually changing into a low-K s-band structure.
21.10.Tg Lifetimes - 23.20.Lv Gamma transitions and level energies
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