Physics
Scientific paper
Oct 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jkps...28..662k&link_type=abstract
Journal of the Korean Physical Society, Vol. 28, No. 5, p. 662 - 664
Physics
1
Cosmology: Neutrinos, Cosmology: Gravitational Constant, Cosmology: Nucleosynthesis
Scientific paper
The primordial abundances of 9Be and 11B are calculated to investigate the effects of the gravitational constant and a non-zero neutrino degeneracy. The possible variation of G from the present value G0 is considered within the permitted ranges of parameters obtained from the analyses of primordial abundances of light elements. For G < G0, the predictions of 9Be and 11B abundances are not distinguishable from those of the standard big bang nucleosynthesis. While the abundance of 9Be is found to be indistinguishable from that of the standard BBN, the primordial 11B abundance is found to be sensitive to the variation in gravitational constant and the neutrino degeneracy.
Kim Beom Jun
Lee Han-Koo
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