Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-07-08
Phys.Lett.B574:89-92,2003
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages (Latex)
Scientific paper
10.1016/j.physletb.2003.08.063
In this paper we reconsider the supersymmetric hybrid inflation in the context of the braneworld scenario . The observational bounds are satisfied with an inflationary energy scale $\mu\simeq 4\times 10^{-4}M_p$, without any fine-tuning of the coupling parameter, provided that the five-dimensional Planck scale is $M_5\stackrel{<}{\sim} 2\times 10^{-3}M_p$ . We have also obtained an upper bound on the the brane tension .
Boutaleb-J H.
Chafik A.
Marrakchi A. L.
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