Selfconsistent mean field calculations of the nuclear response using a realistic nucleon-nucleon interaction with a density dependent corrective term

Tamm-Dancoff and random-phase approximations are formulated in the canonical Hartree-Fock-Bogoliubov quasi-particle basis and adopted to compute the E1 response in Ca isotopes using an intrinsic Hamiltonian composed of a Vlowk potential, deduced from the CD-Bonn nucleon-nucleon interaction, correcte...

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Bibliographic Details
Published in:Journal of physics. Conference series 2014-01, Vol.533 (1), p.12014-4
Main Authors: Veselý, P, De Gregorio, G, Knapp, F, Iudice, N Lo, Bianco, D, Andreozzi, F, Porrino, A
Format: Article
Language:English
Subjects:
Approximation
Cadmium
Calcium isotopes
Density
Dipoles
Elementary excitations
Evolution
Isotopes
Mathematical analysis
Nucleon-nucleon interactions
Physics
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Summary:Tamm-Dancoff and random-phase approximations are formulated in the canonical Hartree-Fock-Bogoliubov quasi-particle basis and adopted to compute the E1 response in Ca isotopes using an intrinsic Hamiltonian composed of a Vlowk potential, deduced from the CD-Bonn nucleon-nucleon interaction, corrected with phenomenological density dependent and spin-orbit terms. Attention is focused on the evolution of the dipole strength distribution, including the low-lying transitions associated to the pygmy resonance, in going from the N Z 40Ca to Ca isotopes with neutron excess.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/533/1/012014