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Phys. Rev. C 78, 024309 (2008) [16 pages]

Configuration mixing of angular-momentum and particle-number projected triaxial Hartree-Fock-Bogoliubov states using the Skyrme energy density functional

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Michael Bender1,2,3,4,5,6,7 and Paul-Henri Heenen1
1Service de Physique Nucléaire Théorique, Université Libre de Bruxelles, C.P. 229, B-1050 Bruxelles, Belgium
2Institute for Nuclear Theory, University of Washington, Box 351550, Seattle, Washington 98195, USA
3Physics Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, Illinois 60439, USA
4National Superconducting Cyclotron Laboratory, Michigan State University, 1 Cyclotron, East Lansing, Michigan 48824, USA
5DAPNIA/SPhN, CEA Saclay, F-91191 Gif sur Yvette Cedex, France
6Université Bordeaux, Centre d'Etudes Nucléaires de Bordeaux Gradignan, UMR5797, F-33175 Gradignan, France
7CNRS/IN2P3, Centre d'Etudes Nucléaires de Bordeaux Gradignan, UMR5797, F-33175 Gradignan, France

Received 28 May 2008; published 15 August 2008

We present a method based on mean-field states generated by triaxial quadrupole constraints that are projected on particle number and angular momentum and mixed by the generator coordinate method on the quadrupole moment. This method is equivalent to a seven-dimensional GCM calculation, mixing all five degrees of freedom of the quadrupole operator and the gauge angles for protons and neutrons. A first application to 24Mg permits a detailed analysis of the effects of triaxial deformations and of K mixing.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.78.024309
DOI:
10.1103/PhysRevC.78.024309
PACS:
21.60.Jz, 21.10.Ky, 21.10.Re, 27.30.+t
 
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