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Combined mean-field and three-body model tested on the O26 nucleus

D. Hove, E. Garrido, P. Sarriguren, D. V. Fedorov, H. O. U. Fynbo, A. S. Jensen, and N. T. Zinner
Phys. Rev. C 95, 061301(R) – Published 1 June 2017

Abstract

We combine few- and many-body degrees of freedom in a new computationally efficient model applicable to both bound and continuum states and adaptable to different subfields of physics. We formulate a self-consistent three-body model for a core nucleus surrounded by two valence nucleons, where the core is treated in the mean-field approximation and the same effective Skyrme interaction is used between both core and valence nucleons. We apply the model to O26, where we reproduce the known experimental data as well as phenomenological models with more parameters. The decay of the ground state is found to proceed directly into the continuum without effect of the virtual sequential decay through the well-reproduced d3/2 resonance of O25.

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  • Received 14 December 2016

DOI:https://doi.org/10.1103/PhysRevC.95.061301

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

D. Hove1, E. Garrido2, P. Sarriguren2, D. V. Fedorov1, H. O. U. Fynbo1, A. S. Jensen1, and N. T. Zinner1

  • 1Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark
  • 2Instituto de Estructura de la Materia, IEM-CSIC, Serrano 123, E-28006 Madrid, Spain

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Vol. 95, Iss. 6 — June 2017

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