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Title:
Destruction of He-3 in stars
Authors:
Dearborn, D. S. P.; Schramm, D. N.; Steigman, G.
Affiliation:
AA(California, University, Livermore), AB(Chicago, University, IL), AC(Bartol Research Foundation, Newark, DE)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 302, March 1, 1986, p. 35-38. Research supported by the University of Chicago. (ApJ Homepage)
Publication Date:
03/1986
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
ABUNDANCE, BIG BANG COSMOLOGY, HELIUM ISOTOPES, NUCLEAR FUSION, STELLAR COMPOSITION, STELLAR EVOLUTION, UNIVERSE, COMPUTATIONAL ASTROPHYSICS, INTERSTELLAR GAS, MASS FLOW RATE, NUCLEONS, STELLAR MASS
DOI:
10.1086/163969
Bibliographic Code:
1986ApJ...302...35D

Abstract

The observed abundance of 3He can be used, in conjunction with big bang nucleosynthesis, to set a lower bound to the density of nucleons in the universe. Critical to this approach is an estimate of the destruction of 3He in stars. Detailed stellar evolution calculations which explicitly examine 3He destruction are presented. The effect of stellar mass, composition, and mass-loss rate on 3He destruction is studied. Limits on 3He destruction appropriate for big bang nucleosynthesis and for understanding present interstellar 3He abundances are discussed.

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