Big Bang Nucleosynthesis Constraints on Brane Cosmologies

Details Big Bang Nucleosynthesis Constraints on Brane Cosmologies Big Bang Nucleosynthesis Constraints on Brane Cosmologies

2002-08-06

arxiv.org/abs/astro-ph/0208133v2

Phys.Lett. B546 (2002) 19-22

Astronomy and Astrophysics

Astrophysics

3 pages, 1 figure, references added, to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(02)02637-0

We examine constraints from Big Bang nucleosynthesis on type II Randall-Sundrum brane cosmologies with both a dark radiation component and a quadratic term that depends on the 5-dimensional Planck mass, M_5. Using limits on the abundances of deuterium and helium-4, we calculate the allowed region in the M_5-dark radiation plane and derive the precise BBN bound on M_5 alone with no dark radiation: M_5 > 13 TeV.

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