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Core excitation in Be-12

Nunes, FM, Thompson, IJ and Tostevin, JA (2002) Core excitation in Be-12 NUCL PHYS A, 703 (3-4). 593 - 602. ISSN 0375-9474

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Motivated by much recent discussion of the N=8 neutron shell closure, we review the theoretical description of 12Be within a three-body (n+n+10Be) model with core excitation. Agreement with recently deduced 〈11Be|12Be〉 spectroscopic factors requires a smaller deformation of the 10Be core in 12Be than in 11Be, with a reduced role for core excitation. Observables for the ground state and 2+, 1− and 0+2 excited states of 12Be are presented. Limitations and improvements of the model are discussed.

Item Type: Article
Additional Information:

© 2002 Elsevier Inc. All rights reserved.

NOTICE: this is the author’s version of a work that was accepted for publication in Nuclear Physics A. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Nuclear Physics A, 703(3-4), June 2002, DOI 10.1016/S0375-9474(01)01667-0.
Uncontrolled Keywords: B-12, shell closure, 3-body model, core excitation, N=8 SHELL CLOSURE, NUCLEI, STATE, BE-11(GS), RADII
Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Symplectic Elements
Date Deposited: 13 Dec 2011 10:30
Last Modified: 23 Sep 2013 18:48

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