Artículo
Estimate of the location of the neutron drip line for calcium isotopes from an exact Hamiltonian with continuum pair correlations
Fecha de publicación:
12/2020
Editorial:
American Physical Society
Revista:
Physical Review C
ISSN:
2469-9985
e-ISSN:
2469-9993
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Background: The eastern region of the calcium isotope chain of the nuclei chart is, nowadays, of great activity. The experimental assessment of the limit of stability is of interest to confirm or improve microscopic theoretical models.<br />Purpose: The goal of this work is to provide the drip line of the calcium isotopes from the exact solution of the pairing Hamiltonian which incorporate explicitly the correlations with the continuum spectrum of energy.<br />Method: The modified Richardson equations, which include correlations with the continuum spectrum of energy modeled by the continuum single particle level density, is used to solve the many-body system. Three models are used, two isospin independent models with core 40Ca and 48Ca, and one isospin dependent model.<br />Results: One and two-neutron separation energies and occupation probabilities for bound and continuum states are calculated from the solution of the Richardson equations.<br />Conclusions: The one particle drip line is found at the nucleus 57 Ca, while the two neutron drip line is found at the nucleus 60Ca from the isospin independent model and at 66 Ca from the isospin dependent one.<br />
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Articulos(IFIR)
Articulos de INST.DE FISICA DE ROSARIO (I)
Articulos de INST.DE FISICA DE ROSARIO (I)
Citación
Dassie, Alan Cruz; Id Betan, Rodolfo Mohamed; Estimate of the location of the neutron drip line for calcium isotopes from an exact Hamiltonian with continuum pair correlations; American Physical Society; Physical Review C; 102; 6; 12-2020; 1-9
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