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Title: vh[sub 11/2] bands in [sup 113]Pd and [sup 115]Pd

Journal Article · · Physical Review, C
;  [1]; ; ; ; ; ; ; ; ; ; ;  [2];  [3]
  1. A. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520 (United States)
  2. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720 (United States)
  3. University of Tennessee, Knoxville, Tennessee 37996 (United States)

Two cascades of [gamma] rays were discovered in [sup 113]Pd and [sup 115]Pd in prompt [gamma]-ray spectroscopy with Gammasphere following heavy-ion induced fission in the reaction [sup 18]O+[sup 208]Pb at 91 MeV. Comparison with recently observed band structures in [sup 109]Pd and [sup 111]Pd as well as blocking arguments lead to an interpretation of these bands as [nu]h[sub 11/2] bands. This discovery, together with cranked Woods-Saxon and total Routhian surface calculations, indicates that increased rotational frequency stabilizes a prolate but still [gamma]-soft shape in the neutron-rich, even-even Pd isotopes up to [sup 116]Pd, which exhibit very [gamma]-soft nuclear potentials in their respective ground states. [copyright] [ital 1999] [ital The American Physical Society]

OSTI ID:
6295633
Journal Information:
Physical Review, C, Vol. 60:3; ISSN 0556-2813
Country of Publication:
United States
Language:
English