Identification and Quadrupole-Moment Measurement of a Superdeformed Band in {sup 84}Zr
Journal Article
·
· Physical Review Letters
High-spin states in {sup 84}Zr were studied using the early implementation phase of the Gammasphere array and the ``Microball`` charged-particle detector system. A cascade of nine {gamma} rays with a dynamic moment of inertia which is characteristic of superdeformed rotational bands in the {ital A}=80 region has been identified and assigned to {sup 84}Zr. The measured transition quadrupole moment of the band corresponds to a prolate quadrupole deformation of {beta}{sub 2}=0.53 and confirms the superdeformed nature of this band. This is the first direct experimental confirmation of the existence of the predicted superdeformed shell gap at {ital N}{congruent}44 particle number.
- Research Organization:
- Oak Ridge National Laboratory
- DOE Contract Number:
- AC05-84OR21400; AC05-76OR00033; AC03-76SF00098; FG02-88ER40406
- OSTI ID:
- 124194
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 8 Vol. 75; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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