INPP Seminar: Ab-initio Calculations of Medium Mass Nuclei with In-medium Similarity RRenormalization Group, Sept. 2

The Institute of Nuclear and Particle Physics (INPP) presents Scott Bogner, of Michigan State University, presenting “Ab-initio calculations of medium mass nuclei with the in-medium similarity renormalization group” on Tuesday, Sept. 2, at 4 p.m. in the Roger W. Finlay Conference Room located in the Edwards Acclerator Laboratory.

Abstract: The In-Medium Similarity Renormalization Group (IM-SRG) has recently been used with great success in describing ground-state energies of medium-mass nuclei based on state-of-the-art two- and three-nucleon interactions from chiral effective field theory. Ongoing developments include extending the method to treat ground and excited states in open-shell systems. One promising strategy is to use the IM-SRG to derive effective valence-shell interactions for use in shell model applications. The combined IM-SRG + Shell-Model calculations offer instant access to the ab initio spectroscopy of medium-mass nuclei, regardless of deformation. Recent successes in the description of nuclear spectra indicate that our approach maintains a transparent connection to the underlying chiral interactions while being competitive with (or surpassing) calculations with phenomenological Shell Model interactions.