astrophysical models of r-process nucleosynthesis an update



(Submitted on 24 Jan 2012). Abstract: An update on astrophysical models for nucleosynthesis via rapid neutron capture, the r process, is given. A neutrino-induced r process in supernova helium shells may have operated up to metallicities of ~10^-3 times the solar value. Another r-process source, possibly neutron star
An update on astrophysical models for nucleosynthesis via rapid neutron capture, the r process, is given. A neutrino-induced r process in supernova helium shells may have operated up to metallicities of ∼ 10−3 times the solar value. Another r-process source, possibly neutron star mergers, is required for higher
Nucleosynthesis: An Update. Yong-Zhong Qian. School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455, USA. Abstract. An update on astrophysical models for nucleosynthesis via rapid neutron capture, the r process, is given. A neutrino-induced r process in supernova helium shells may have
20.12.2017 -
Astrophysical models of r-process nucleosynthesis: An update. Authors: Qian, Yong-Zhong. Affiliation: AA(School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455, USA). Publication: ORIGIN OF MATTER AND EVOLUTION OF GALAXIES 2011. AIP Conference Proceedings, Volume 1484, pp.
25.01.2012 -
An update on astrophysical models for nucleosynthesis via rapid neutron capture, the r process, is given. A neutrino-induced r process in supernova helium shells may have operated up to metallicities of ~10^-3 times the solar value. Another r-process source, possibly neutron star mergers, is required for higher metallicities.
Special attention is given to the nature of r-process-enhanced metal-poor stars, and what they reveal about the operation and possible astrophysical site(s) of ... as the “scribes” of the nucleosynthesis that took place in the early Galaxy and Universe, as their atmospheres have recorded the results of the processes involved in
AN UPDATE ON THE HOT STUPERNOVA BUBBLE R-PROCESS G. J. MATHEWS AND K. OTSUKI Center for Astrophys. ... dalhed 101lml.gov The neutrino-energized high-entropy bubble above the proto neutron star in a core-collapse supernova remains as one of the most promising sites for r-process nucleosynthesis.
4.4 The r-Process Although the r-process has been studied for many years, the actual site for this nucleosynthesis has not been identified. Further complicating this search is the possibility of more than one such site. Nevertheless, there has been much progress in our understanding of the astrophysical models and the

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