Bulletin of the American Physical Society
5th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Volume 63, Number 12
Tuesday–Saturday, October 23–27, 2018; Waikoloa, Hawaii
Session MM: Nuclear Structure A=30-60
2:00 PM–4:45 PM,
Saturday, October 27, 2018
Hilton
Room: Queen's 6
Chair: Adam Fritsch, Gonzaga University
Abstract ID: BAPS.2018.HAW.MM.4
Abstract: MM.00004 : Electroweak transitions in intermediate mass nuclei*
2:45 PM–3:00 PM
Presenter:
Grigor H Sargsyan
(Louisiana State Univ - Baton Rouge)
Authors:
Grigor H Sargsyan
(Louisiana State Univ - Baton Rouge)
Kristina D Launey
(Louisiana State Univ - Baton Rouge)
Tomas Dytrych
(Louisiana State Univ - Baton Rouge)
Jerry P Draayer
(Louisiana State Univ - Baton Rouge)
We calculate beta decays and B(E2) values using the ab initio symmetry-adapted no-core shell model (SA-NCSM). The SA-NCSM employs emergent symmetries in nuclei in order to decrease the dimensionality of the model space, this allows us to reproduce the low-energy nuclear dynamics using only a small fraction of the model space, thus expanding the reach of ab initio theory to heavier nuclei, such as sd-shell nuclei and 48Ca. This work aims to contribute to the study of the long standing gA quenching problem and ultimately to study 48Ca and 48Ti, of interest to neutrinoless double beta decays.
*Supported by the U.S. NSF (ACI -1713690, OIA-1738287) and the Czech Science Foundation (16-16772S). This work benefitted from computing resources provided by Blue Waters, LONI and HPC resources provided by LSU.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.MM.4
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