Seminar Details

Effects of Coulomb and Isospin-Nonconserving Interactions in Nuclei

Erich Ormand, Lawrence Livermore National Laboratory (LLNL)
Tuesday, November 12, 11:00 AM - Theory Seminar
NSCL Seminar Room

The Coulomb and isospin-nonconserving components in the strong interaction are responsible for mass splitting between nuclei with the same number of nucleons (in particular, isospin multiplets), and are important for precision tests of the weak interaction. The role played by each of these components is not fully understood, although ab initio methods can provide substantial insight. We are looking at accurate treatments for both light nuclei with fully ab initio treatments as well as heavy fp-shell nuclei with effective interactions based on fundamental nucleon-nucleon interactions as well as traditional empirical treatments. A key issue in ab initio studies is convergence and extrapolation to full, or exact result. Techniques will be discussed. In addition, isoscalar and isovector monopole excitations will be probed.