Starting From Scratch: Recent Progress Towards Constructing The Nuclear Shell Model From First Principles

Prof. Ragnar Stroberg (host Dickhoff), Reed College, Portland OR
February 8, 2018 at 11:00 am
241 Compton
Event Description 

The nuclear shell model has provided an impressively successful framework in which to describe atomic nuclei, especially the modern version involving large-scale diagonalizations of phenomenological interactions. The shortcoming of this approach lies in the phenomenological aspect---it is unclear how to connect nuclear properties to the underlying interaction between nuclei, and the reliability of predictions degrade for regions of the nuclear chart where data is limited. To address this issue, there have been a number of approaches developed to derive shell model interactions beginning with a nucleon-nucleon interaction. In this talk, I will describe some popular approaches, with an emphasis on the in-medium similarity renormalization group (IMSRG) approach. I will present some recent results on a range of nuclei and observables. Finally, I will discuss the prospects for the future, including thoughts on obtaining reliable estimates of theoretical uncertainty.

Coffee: 10:45 am, 241 Compton