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Pycnonuclear reaction rates for binary ionic mixturesThrough a combination of compositional scaling arguments and examinations of Monte Carlo simulation results for the interparticle separations in binary-ionic mixture (BIM) solids, we have derived parameterized expressions for the BIM pycnonuclear rates as generalizations of those in one-component solids obtained previously by Salpeter and Van Horn and by Ogata et al. We have thereby discovered a catalyzing effect of the heavier elements, which enhances the rates of reactions among the lighter elements when the charge ratio exceeds a critical value of approximately 2.3.
Document ID
19930035760
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Ichimaru, S.
(NASA Headquarters Washington, DC United States)
Ogata, S.
(Tokyo Univ. Japan)
Van Horn, H. M.
(Rochester Univ.; C.E. Kenneth Mees Observatory, NY, United States)
Date Acquired
August 15, 2013
Publication Date
December 10, 1992
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters
Volume: 401
Issue: 1
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
93A19757
Funding Number(s)
CONTRACT_GRANT: NSF AST-91-15132
CONTRACT_GRANT: MOESC-04455010
CONTRACT_GRANT: NAGW-2444
CONTRACT_GRANT: NSF INT-90-16293
Distribution Limits
Public
Copyright
Other

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