Spectroscopy near the proton drip line in the deformed A=130 mass region : the Pr-126 nucleus

Petrache, C. M. and Nespolo, M. and Brant, Slobodan and Lo Bianco, G. and Bazzacco, D. and Lunardi, S. and Spolaore, P. and Axiotis, M. and Blasi, N. and de Angelis, G. and Kroll, T. and Marginean, N. and Martinez, T. and Menegazzo, R. and Napoli, D. R. and Quintana, B. and Saltarelli, A. and Ventura, A. and Vretenar, Dario (2001) Spectroscopy near the proton drip line in the deformed A=130 mass region : the Pr-126 nucleus. Physical Review C, 64 (4). pp. 44303-11. ISSN 0556-2813

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The near proton drip line nucleus Pr-126 was studied via in-beam gamma-ray spectroscopy using the Ca-40 + Mo-92 reaction at 190 MeV. We observed for the first time excited states above the known isomer in this nucleus up to 31 h over bar. The observed band is discussed in the interacting boson-fermion-fermion model.The calculations and the experimental information suggest a spin 8(+) for the lowest observed state.With such a spin assignment the moment of inertia of Pr-126 gets larger than in the heavier Pr isotopes, suggesting a sudden change in deformation close to the proton drip line.

Item Type: Article
Keywords: proton drip line, boson-fermion-fermion model
Date: September 2001
Subjects: NATURAL SCIENCES > Physics > Nuclear Physics
Additional Information: Copyright (2001) 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: 23 May 2014 08:02
Last Modified: 29 Aug 2014 12:42
URI: http://digre.pmf.unizg.hr/id/eprint/1629

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