New description of the doublet bands in doubly odd nuclei

Ganev, H. G. and Georgieva, A. I. and Brant, Slobodan and Ventura, A. (2009) New description of the doublet bands in doubly odd nuclei. Physical Review C, 79 (4). pp. 44322-13. ISSN 0556-2813

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The experimentally observed delta I = 1 doublet bands in some odd-odd nuclei are analyzed within the orthosymplectic extension of the interacting vector boson model (IVBM). A new, purely collective interpretation of these bands is given on the basis of the obtained boson-fermion dynamical symmetry of the model. It is illustrated by its application to three odd-odd nuclei from the A ~ 130 region, namely 126Pr, 134Pr, and 132La. The theoretical predictions for the energy levels of the doublet bands as well as E2 and M1 transition probabilities between the states of the yrast band in the last two nuclei are compared with experiment and the results of other theoretical approaches. The obtained results reveal the applicability of the orthosymplectic extension of the IVBM.

Item Type: Article
Date: April 2009
Subjects: NATURAL SCIENCES > Physics > Nuclear Physics
Additional Information: Copyright (2009) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 119-1191005-1010
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 29 May 2014 20:23
Last Modified: 29 May 2014 20:23

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