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 HA: Conference Experience for Undergraduates Poster Session (2:00pm - 3:45pm)
2:00 PM,
Friday, October 26, 2018
Hilton
Room: Grand Promenade
Abstract ID: BAPS.2018.HAW.HA.43
Abstract: HA.00043 : Interpolation of odd beta-decay rates from even-even theoretical rates for nucleosynthesis applications*
Presenter:
Andrew M Toivonen
(Univ of Notre Dame)
Authors:
Andrew M Toivonen
(Univ of Notre Dame)
Rebecca A Surman
(Univ of Notre Dame)
Trevor M Sprouse
(Univ of Notre Dame)
Beta decay rates, particularly those furthest from stability, are an essential part of nucleosynthesis calculations for extreme, super-massive stellar events. For such nuclei, however, experimental data is sparse and theoretical models are inconsistent with one another. In this theoretical and computational project, we started with the even-even beta decay rates of Mustonen and Engel and generated eight different sets of predicted odd-even, even-odd, and odd-odd beta decay rates. Some of the data sets we generated relied on theoretical data, some on experimental data, and others a combination of the two. When possible, the predictions were optimized to be the most accurate away from stability: in the region of sparse experimental data. We then investigated the impact of the different interpolations on abundance patterns from nucleosynthesis calculations run under four different initial conditions.
*This work was partly supported by the U.S. Department of Energy contract No. DE-SC0013039.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.HAW.HA.43
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