Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session Y12: Nuclear Astrophysics III
1:30 PM–2:42 PM,
Tuesday, April 16, 2019
Sheraton
Room: Plaza Court 1
Sponsoring
Unit:
DNP
Chair: Andrew Steiner, University of Tennessee
Abstract: Y12.00001 : Calculation of Stellar NucleosynthesisAbundances using ENDF/B-VIII.0 andTENDL-2015 Evaluated Nuclear Data Libraries*
1:30 PM–1:42 PM
View Presentation Abstract
Presenter:
Boris Pritychenko
(Brookhaven National Laboratory)
Author:
Boris Pritychenko
(Brookhaven National Laboratory)
collections of reaction cross sections, fission
yields and decay data. These data collections have been used worldwide
in the nuclear industry and national security applications. The recently released
evaluated libraries were explored for nuclear astrophysics purposes
and findings analyzed.
Maxwellian-averaged cross sections (MACS) and astrophysical reaction
rates were calculated using the ENDF/B-VIII.0 and Talys Evaluated
Nuclear Data Library (TENDL) data sets. The calculated cross sections
were combined with the solar system abundances and fitted using the
classical model of stellar nucleosynthesis. Astrophysical abundances for
rapid- and slow-neutron capture, r- and s-processes, respectively, were
extracted from the present data and compared with available values. The
current results demonstrate the large potential of evaluated libraries and
mutually-beneficial relations between the nuclear industry and research
efforts.
*Work at Brookhaven National Laboratory was funded by the Office of Nuclear Physics, Office of Science of the U.S. Department of Energy, under Contract No. DE-AC02-98CH10886 with Brookhaven Science Associates, LLC.
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