Crossing of Shears Bands in P
Journal Article
·
· Physical Review Letters
- and others
Subpicosecond lifetimes of states in shears band 1 in {sup 197}Pb were measured by means of the recoil distance method employing Gammasphere and the New Yale Plunger Device. The extracted reduced matrix elements, B(M1) , show a clear sensitivity to the crossing of different shears configurations reflecting the closing and reopening of the shears blades. The energies and B(M1) values in the band crossing region are successfully described in the framework of the semiclassical model of the shears bands. The relevance of core rotation contributions are shown. The results point to the existence of shears states with an angular momentum coupling angle larger than 90{sup o} .
- Research Organization:
- Yale University
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- FG02-91ER40609; W-31109-ENG-38
- OSTI ID:
- 40277644
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 13 Vol. 87; ISSN 0031-9007
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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