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Article overview
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Continuum discretized BCS approach for weakly bound nuclei | | J. A. Lay
; C. E. Alonso
; L. Fortunato
; A. Vitturi
; | | Date: |
12 Oct 2015 | | Abstract: | The Bardeen-Cooper-Schrieffer (BCS) formalism is extended by including the
single-particle continuum, thus enabling the analysis of an isotopic chain from
stability up to the drip line. We propose a continuum discretized generalized
BCS based on single-particle pseudostates (PS). These PS are generated from the
diagonalization of the single-particle Hamiltonian within a Transformed
Harmonic Oscillator (THO) basis. The consistency of the results versus the size
of the basis is studied. The method is applied to neutron rich Oxygen and
Carbon isotopes and compared with similar previous works and available
experimental data. We make use of the flexibility of the proposed model in
order to study the evolution of the occupation of the low-energy continuum when
the system becomes weakly bound. We find a larger influence of the non-resonant
continuum as long as the Fermi level approaches zero. | | Source: | arXiv, 1510.3185 | | Services: | Forum | Review | PDF | Favorites | |
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