The effect of a light radion on the triviality bound on higgs mass

Details The effect of a light radion on the triviality bound on higgs mass The effect of a light radion on the triviality bound on higgs mass

2003-01-05

arxiv.org/abs/hep-ph/0301022v1

Int.J.Mod.Phys.A20:1089-1093,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, latex, 2 eps figures

Scientific paper

10.1142/S0217751X05020719

In this paper we study how the triviality bound on higgs mass in the context of the SM is modified by a light stabilized radion of the Goldberger-Wise variety. Our approach is inherently perturbative. Including the radion contribution to $\bt(\l)$ and $\bt(g_t)$ to one loop we evolve the higgs self coupling $\l$ from the cut off $\L(=\vphi)$ down to the EW scale $\mu_0 = v$. The triviality bound is obtained by requiring that $\l(\L) = \sqrt{4 \pi}$ which is the perturbative limit. We also study the effect of small changes in the UVBC on the triviality bound both in the presence and absence of a light radion.

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