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Gamma-ray strength at low energies using relativistic QRPA with exact coupling to the continuum

par Goriely, Stéphane ;Daoutidis, Ioannis
Référence Journal of physics. Conference series (Online), 337, page (012023)
Publication Publié, 2012-02-13

Article révisé par les pairs

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Résumé :

Continuum-quasiparticle random-phase Approximation (CQRPA) within the relativistic point-coupling model with density-dependent coupling constants is applied to investigate collective excitations in spherical nuclei. In particular we study the impact of the exact continuum on the giant-dipole and pygmy resonance of several Sn isotopes as well as the radiative neutron capture rates of importance for astrophysical calculations.