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20 April 2024

» arxiv » astro-ph/0608490

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Nucleosynthesis in neutrino heated matter: The vp-process and the r-process
G. Martínez-Pinedo ; A. Kelic ; K. Langanke ; K.-H. Schmidt ; D. Mocelj ; C. Fröhlich ; F.-K. Thielemann ; I. Panov ; T. Rauscher ; M. Liebendörfer ; N. T. Zinner ; B. Pfeiffer ; R. Buras ; H.-Th. Janka ;
Date:	23 Aug 2006
Abstract:	This manuscript reviews recent progress in our understanding of the nucleosynthesis of medium and heavy elements in supernovae. Recent hydrodynamical models of core-collapse supernovae show that a large amount of proton rich matter is ejected under strong neutrino fluxes. This matter constitutes the site of the vp-process where antineutrino absorption reactions catalyze the nucleosynthesis of nuclei with A > 64. Supernovae are also associated with the r-process responsible for the synthesis of the heaviest elements in nature. Fission during the r-process can play a major role in determining the final abundance patter and in explaining the almost universal features seen in metal-poor r-process-rich stars.
Source:	arXiv, astro-ph/0608490
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