Particle-particle random phase approximation applied to Beryllium isotopes
Abstract
This work is dedicated to the study of even-even 8-14 Be isotopes using the particle-particle Random Phase Approximation that accounts for two-body correlations in the core nucleus. A better description of energies and two-particle amplitudes is obtained in comparison with models assuming a neutron closed-shell (or subshell) core. A Wood-Saxon potential corrected by a phenomenological particle-vibration coupling term has been used for the neutron-core interaction and the D1S Gogny force for the neutron-neutron interaction. Calculated ground state properties as well as excited state ones are discussed and compared to experimental data. In particular, results suggest the same 2s_1/2-1p_1/2 shell inversion in 13Be as in 11Be.
Cite
@article{arxiv.1007.2719,
title = {Particle-particle random phase approximation applied to Beryllium isotopes},
author = {Guillaume Blanchon and Nicole Vinh Mau and Angela Bonaccorso and Marc Dupuis and Nathalie Pillet},
journal= {arXiv preprint arXiv:1007.2719},
year = {2014}
}
Comments
to appear in Phys. Rev. C