Excitation of Pygmy Dipole Resonance in neutron-rich nuclei via Coulomb and nuclear fields

Details Excitation of Pygmy Dipole Resonance in neutron-rich nuclei via Coulomb and nuclear fields Excitation of Pygmy Dipole Resonance in neutron-rich nuclei via Coulomb and nuclear fields

2010-01-27

arxiv.org/abs/1001.4881v1

Physics

Nuclear Physics

Nuclear Theory

9 Pages, 8 figures, contribution to International Symposium On Nuclear Physics, December 8-12, 2009,Bhabha Atomic Research Cen

Scientific paper

We study the nature of the low-lying dipole strength in neutron-rich nuclei, often associated to the Pygmy Dipole Resonance. The states are described within the Hartree-Fock plus RPA formalism, using different parametrizations of the Skyrme interaction. We show how the information from combined reactions processes involving the Coulomb and different mixtures of isoscalar and isovector nuclear interactions can provide a clue to reveal the characteristic features of these states.

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