Limits on the integration constant of the dark radiation term in Brane Cosmology

Details Limits on the integration constant of the dark radiation term in Brane Cosmology Limits on the integration constant of the dark radiation term in Brane Cosmology

2005-05-25

arxiv.org/abs/hep-th/0505225v1

Mod.Phys.Lett. A21 (2006) 1377-1382

Physics

High Energy Physics

High Energy Physics - Theory

8 pages

Scientific paper

10.1142/S021773230601961X

We consider the constraints from primordial Helium abundances on the constant of integration of the dark radiation term of the brane-world generalized Friedmann equation derived from the Randall-Sundrum Single brane model. We found that -- using simple, approximate and semianalytical Method -- that the constant of integration is limited to be between -8.9 and 2.2 which limits the possible contribution from dark radiation term to be approximately between -27% to 7% of the background photon energy density.

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