Radioactive beam studies of cosmological interest

Details Radioactive beam studies of cosmological interest Radioactive beam studies of cosmological interest

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989nimpb..40..501s&link_type=abstract

Nuclear Instruments and Methods in Physics Research Section B, Volume 40, p. 501-502.

Physics

2

Scientific paper

Experimental efforts by the LLNL/Ohio State radioactive ion beam collaboration are described. We are presently focusing on some reactions which are of great importance in the newly proposed inhomogeneous big bang cosmological models [G.M. Fuller, G.J. Mathews and C.R. Alcock, in: Origin and Distribution of the Elements, ed. G.J. Mathews (World Scientific, Singapore, 1987)]. Specifically we are using our system to make beams of 8Li for measurements of the 8Li(d, n)9Be and 8Li(a, n)11B cross sections. These are the key reactions which determine the production of heavy (A > 12) elements during the era of big bang nucleosynthesis, and thus the initial composition of stars and subsequent stellar isotope production. Plans for future experiments, including the measurement of the 7Be(p, γ)8B cross section will be discussed.

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