On the Contribution of Gamma Ray Bursts to the Galactic Inventory of Some Intermediate Mass Nuclei

Details On the Contribution of Gamma Ray Bursts to the Galactic Inventory of Some Intermediate Mass Nuclei On the Contribution of Gamma Ray Bursts to the Galactic Inventory of Some Intermediate Mass Nuclei

2003-09-24

arxiv.org/abs/astro-ph/0309673v1

Astrophys.J.602:L101-L104,2004

Astronomy and Astrophysics

Astrophysics

11 pages, 1 figure

Scientific paper

10.1086/382730

Light curves from a growing number of Gamma Ray Bursts (GRBs) indicate that GRBs copiously produce radioactive Ni moving outward at fractions of the speed of light. We calculate nuclear abundances of elements accompanying the outflowing Ni under the assumption that this Ni originates from a wind blown off of a viscous accretion disk. We also show that GRB's likely contribute appreciably to the galactic inventory of 42Ca, 45Sc, 46Ti, 49Ti, 63Cu, and may be a principal site for the production of 64Zn.

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