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“Medium-Mass and Heavy Open-Shell Nuclei from First Principles”

March 8, 2016 @ 3:30 pm - 5:00 pm

Triangle Nuclear Theory Colloquium
Heiko Hergert, Michigan State
“Medium-Mass and Heavy Open-Shell Nuclei from First Principles”
The reach of ab initio many-body techniques has increased tremendously in recent years, owing to new developments in many-body theory as well as advances in their numerical implementation. Coupled Cluster, Self-Consistent Green’s Function, and In-Medium Similarity Renormalization Group (IM-SRG) calculations are routinely performed for isotopes in the A ~ 100 region. Moreover, these techniques have been extended to tackle open-shell nuclei, either directly or through the auxiliary step of deriving valence-space interactions for use with existing Shell Model technology.
One of the most powerful aspects of ab initio methods is their capability to provide results for energies and other observables with systematic uncertainties. Together with new accurate nuclear forces (and operators) derived from Chiral Effective Field Theory, they provide a consistent framework — and a road map — for a predictive description of nuclei. This will have a critical impact on the search for the limits of nuclear existence, tests of fundamental symmetries (e.g., the search for neutrinoless double beta decay), our understanding of quenching and effective charges in phenomenological Shell Model calculations etc.

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Date:
March 8, 2016
Time:
3:30 pm - 5:00 pm

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