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Nucleosynthesis in white-dwarf atmospheresConsideration of events by which both s- and r-process nucleosynthesis may occur on the surfaces of white-dwarf stars. The main requirement is that the accreted hydrogen be mixed with comparable numbers of C-12 (or other alpha nuclei) before a runaway capture of protons takes place. Subsequent events offer many possibilities for nucleosynthesis and stars of peculiar composition. A new mechanism for a surface s-process due to few-MeV protons is also described. Concluding comments concern cosmic gamma-ray bursts and the origin of anomalous low-energy galactic cosmic rays.
Document ID
19740057008
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Hoyle, F.
Clayton, D. D.
(Rice University Houston, Tex., United States)
Date Acquired
August 7, 2013
Publication Date
August 1, 1974
Publication Information
Publication: Astrophysical Journal
Volume: 191
Subject Category
Space Sciences
Accession Number
74A39758
Funding Number(s)
CONTRACT_GRANT: NSF GP-18335
CONTRACT_GRANT: NSG-7015
Distribution Limits
Public
Copyright
Other

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