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Lithium-6 Nucleosynthesis in the ISM

Published online by Cambridge University Press:  30 March 2016

Robert A. Malaney
Robert A. Malaney*
Affiliation:
Canadian Institute for Theoretical AstrophysicsUniversity of Toronto, Toronto, ON, CANADA M5S 1A7.

Extract

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The nucleosynthesis of 6Li in the galaxy has become of considerable interest in the past year. This is largely because of the exciting developments relating to the first detection of this isotope outside of our own solar system. Not only has 6Li been recently detected in the atmospheres of halo dwarfs [1-2], but also in the local interstellar medium (ISM) [3-4].

It is well known that knowledge of the primordial abundance of the lithium isotopes has important ramifications for cosmology, through the constraints they impose on standard big bang nucleosynthesis (SBBN) [5], and those imposed on non-standard primordial nucleosynthesis models. Since a complete understanding of the galactic evolution of the lithium isotopes is a prerequisite to unambiguously determining their primordial abundance, a thorough interpretation of the new 6Li data in the context of chemical evolution models cannot be overstated.

Type
II. Joint Discussions
Information
Highlights of Astronomy , Volume 10: Highlights of Astronomy. As presented at the XXIInd General Assembly of the IAU, 1994 , 1995 , pp. 465 - 466
Copyright
Copyright © Kluwer 1995

References

[1] Smith, V.V., Lambert., D.L., and Nissen, P.E., 1993, ApJ., 408, 262. Google Scholar
[2] Hobbs, L.M. and Thorburn, J.A., 1994, ApJL, 428, L25.Google Scholar
[3] Lemoine, M., Ferlet, R., Vidal-Madjar, A., Emerich, C. and Bertin, P., 1993, Astron. Astrophys. 269, 469. Google Scholar
[4] Meyer, D., Hawkins, I. and Wright, E.L., 1993, ApJL, 409, L61. Google Scholar
[5] A complete list of references for this paper can be foundin the full length version:- Malaney, R.A., 1994, Memorie Soc. Astr. It., Ed. Pallavicini, R. (CITA/94/29).Google Scholar