6533b851fe1ef96bd12a8eeb
RESEARCH PRODUCT
Study of high spins in $^{173}$Os
C.g. LindénTh. LindbladC. A. KalfasRamon WyssR. VlastouS. JuutinenS. KossionidesD. ClarkeC. T. PapadopoulosJ.c. LisleJ. GizonR. ChapmanF. KhazaieJn MoL. HildingssonW.k. Lamrasubject
Nuclear reactionPhysicsNuclear and High Energy PhysicsProtonSpins010308 nuclear & particles physicsSHELL modelLow frequency[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]01 natural sciencesTwo band0103 physical sciencesAtomic physics010306 general physicsSignature (topology)description
High-spin states in 173Os have been studied by γγ-coincidence measurements following the 146Nd(32S, 5n)173Os reaction. Additional information has also been extracted from the reaction 144Sm(32S, 2pn)173Os. Four main sequencies have been identified as the two signature branches of the bands built on the [642]52+ and [523]52− Nilsson states. The band features have been analysed within the framework of the cranked shell model. The positive-parity band provides evidence for a v(i132)2 crossing at low frequency and a π(h112)2 and/or π(h92)2 cross In the negative-parity band the upbend starts at relatively low frequency indicating, presumably, an early v(i132)2 alignment. There is evidence for another two band crossings possibly due to v(i132)2 alignment of a different configuration and a high frequency proton alignment as in the positive-parity band. B(M1)/B(E2) ratios have also been extracted in both bands to deduce further information on the detailed structure of the bands.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1991-04-01 |