Excited states in Sm139 described with the interacting boson model plus broken pairs

Rossi Alvarez, C. and Vretenar, Dario and Podolyak, Zs. and Bazzacco, D. and Bonsignori, G. and Brandolini, F. and Brant, Slobodan and de Angelis, G. and De Poli, M. and Ionescu-Bujor, M. and Li, Y. and Lunardi, S. and Medina, N. H. and Petrache, C. M. (1996) Excited states in Sm139 described with the interacting boson model plus broken pairs. Physical Review C, 54 (1). pp. 57-71. ISSN 0556-2813

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Abstract

The high-spin structure of Sm139 has been studied through the Pd110(34S,5n) reaction at beam energies of 150 and 165 MeV. The level scheme has been extended up to an excitation energy of 11.1 MeV and spin 61/2+. A band built on the νi13/2 [660]1/2+ intruder orbital has been established and firmly linked to the known lower-spin levels in the nucleus. The low-lying states of both parities as well as a relatively strong ΔI=1 regular structure observed above spin 27/2- are nicely reproduced by the interacting boson-fermion model with broken pairs.

Item Type: Article
Keywords: nuclear structure, 139Sm, high spin states, IBFM, broken pairs
Date: July 1996
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (1996) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 119211
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 14 May 2014 17:53
Last Modified: 14 May 2014 17:53
URI: http://digre.pmf.unizg.hr/id/eprint/1334

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