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Towards a paradigm change in the main heavy r-process nucleosynthesis sites

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arxiv 1909.06328 v2 pith:P337N3VV submitted 2019-09-13 astro-ph.SR astro-ph.GAastro-ph.HE

Aldana Grichener , Noam Soker (Technion , Israel) This is my paper · ORCID
classification astro-ph.SRastro-ph.GAastro-ph.HE
keywords r-processscenariocejsnnucleosynthesisobservationssitesaccountbasic
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We study the basic properties of three possible r-process scenarios (sites) and compare them to recent observations and theoretical simulations. We find that the common envelope jets supernova (CEJSN) r-process scenario can account for the different observations of r-process nucleosynthesis, including the presence of r-process-rich low-metalicity stars in ultra-faint dwarf (UFD) galaxies. The neutron star (NS)-NS merger scenario and the collapsar scenario encounter some difficulties. Despite that, we conclude that it is very likely that more than one r-process scenario exists, with a significant contribution by the CEJSN r-process scenario. We give a prescription to include this scenario in population synthesis studies of the r-process.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 6 citations worldwide. Full citation record

  1. Mixing neutron star material into the jets in the common envelope jets supernova r-process scenario

    astro-ph.HE 2025-02 conditional novelty 6.0 of 10

    In the CEJSN scenario, the accretion disk can entrain up to ~0.01-0.03 M_sun of neutron star crust material via Kelvin-Helmholtz mixing, enhancing the r-process yield.

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