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Allowed-unhindered [beta] decay of [sup 180]Yb and the nuclear structure of [sup 180]Lu

Journal Article · · Physical Review, C (Nuclear Physics); (United States)
; ; ; ;  [1];  [2]; ;  [3];  [4]
  1. 2. Physikalisches Institut, Goettingen University, D-37073 Goettingen (Germany)
  2. Department of Physics, Banaras Hindu University, Varanasi 221005 (India)
  3. Gesellschaft fuer Schwerionenforschung Darmstadt, D-64220 Darmstadt (Germany)
  4. Instytut Fizyki Doswiadczalnej, PL-00681 Warszawa (Poland)
The [beta] decay of mass-separated [sup 180]Yb was investigated by measuring [beta]-delayed [gamma] rays and conversion electrons. Evidence was found for an allowed-unhindered [beta] transition involving the transformation of a 7/2[sup [minus]][514] neutron into a 9/2[sup [minus]][514] proton. The experimental results include a new decay scheme of [sup 180]Yb which gives evidence for a 5[sup +] ground state of [sup 180]Lu and leads to the first identification of further low-spin configurations. These data are compared with predictions obtained from two-quasiparticle band-head energy calculations based on a zero-range residual interaction with appropriate Nilsson model wave functions.
OSTI ID:
6546189
Journal Information:
Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 51:3; ISSN 0556-2813; ISSN PRVCAN
Country of Publication:
United States
Language:
English