Nucleosynthesis inside an Accretion Disk in a Collapsar

Details Nucleosynthesis inside an Accretion Disk in a Collapsar Nucleosynthesis inside an Accretion Disk in a Collapsar

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005nupha.758...39a&link_type=abstract

Nuclear Physics A, Vol. 758, p.39-42

Physics

Nuclear Physics

1

Scientific paper

We investigate nucleosynthesis inside an accretion disk formed during a collapse of a massive star. The mass accretion rate and the mass of a central object vary with time according to a fall-back scenario. The disk is confirmed to be dominated by advection. A considerable amount of Fe-group elements is produced inside the disk through a sequence of (α, γ) reactions, and the processed material is ejected via outflows. The collapsar accretion disk is an promising site for production of heavy elements.

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