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Uncertainties in s-process nucleosynthesis in massive stars determined by Monte Carlo variations
(2017-08-01)
The $s$-process in massive stars produces the weak component of the $s$-process (nuclei up to $A \sim 90$), in amounts that match solar abundances. For heavier isotopes, such as barium, production through neutron capture ...
Production Uncertainties of p-Nuclei in the γ-Process in Massive Stars Using a Monte Carlo Approach
(2017-02-28)
Proton-rich nuclei, the so-called p-nuclei, are made in photodisintegration processes in outer shells of massive stars in the course of the final supernova explosion. Nuclear uncertainties in the production of these nuclei ...
Impacts of nuclear-physics uncertainty in stellar temperatures on the s-process nucleosynthesis
(The Physical Society of Japan, 2017-02-28)
We evaluated the uncertainty relevant to s-process nucleosynthesis using a Monte-Carlo centred approach. We are based on a realistic and general prescription of temperature dependent uncertainty for the reactions. We ...