Shape coexistence in the odd-odd neutron-rich nucleus 98Y studied in the interacting boson model

Brant, Slobodan and Lhersonneau, G. and Sistemich, K. (2004) Shape coexistence in the odd-odd neutron-rich nucleus 98Y studied in the interacting boson model. Physical Review C, 69 (3). pp. 34327-10. ISSN 0556-2813

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Abstract

Data on levels in 98Y have been investigated and interpreted using recently published information on band structure in this region. Calculation in the IBM framework suggests that the 1182 keV isomer is spherical 10- state with pi g9/2 nu h11/2 configuration. This assignment implies that the 8.0 microsecond bandhead at 496 keV is a 4- state with highly probable pi(422)5/2 nu(541)3/2 configuration. The level structure of 98Y is well reproduced by coupling the levels of its both spherical and deformed odd-A neighbors and the origin of the isomeric states is understood.

Item Type: Article
Keywords: interacting boson model, nuclear structure, shape coexistence
Date: March 2004
Subjects: NATURAL SCIENCES > Physics > Nuclear Physics
Additional Information: Copyright (2004) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 0119250
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 23 May 2014 13:52
Last Modified: 23 May 2014 13:52
URI: http://digre.pmf.unizg.hr/id/eprint/1661

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