Collider constraints on Gauss-Bonnet coupling in warped geometry model

Abstract

In this paper the requirement of a warp solution in an Einstein-Gauss-Bonnet 5D warped geometry is shown to fix the signature of Gauss-Bonnet coupling (${\alpha }_5$). Further, imposing the phenomenological constraints, obtained from the recently observed Higgs like scalar mass as well as $\mu$ parameter of the decay channels $H_0\to \gamma \gamma ,\tau \bar{\tau }$ explored in ATLAS and CMS detectors, we obtain a stringent bound on ${\alpha }_5$ within $(4.8-5.1)\times 10^{-7}$.

Comments: 6 pages, 3 figures, Revised version