Abstract
The dynamics of isovector modes in nuclei reveal the role of isospin‐ as well as spin‐isospin degrees of feeedom in nuclear structure. Implications of the giant dipole‐ and isovector monopole oscillations for the equation of state of asymmetric nuclear matter will be discussed. Spin‐isospin vibrations are preferentially excited in nucleon‐nucleus collisions at intermediate energy. A recent theoretical analysis including two particle‐two hole as well as isobar‐hole excitations in an extended RPA‐framework will be presented. The relevance of low energy β+‐strength experimentally accessible for instance in (n,p)‐reactions will be mentioned in connection with neutrino cooling during collapse of type II supernovae.
Published Version
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