Comment on "Could the Excess Seen at 124-126 GeV Be due to the Randall-Sundrum Radion?"

TL;DR

This paper critically examines the hypothesis that the 125 GeV excess at the LHC could be due to a Randall-Sundrum radion, concluding it is unlikely given existing constraints on RS gravitons.

Contribution

The paper provides a detailed analysis showing that a 125 GeV RS radion with b1b6_=680 GeV is incompatible with current experimental and theoretical constraints.

Findings

A 125 GeV RS radion with b1b6_=680 GeV is unlikely.

Constraints on RS gravitons exclude the radion explanation.

The proposed radion scenario does not fit within existing bounds.

Abstract

In recent Letter by Cheung et al.[PRL {\bf 108},141602(2012)], one very interesting suggestion for the excess around 125 GeV seen at the LHC is a RS radion with $\Lambda_\phi=680$GeV. In this note, we show that taking constraints on the RS graviton into account, it is unlikely to have a 125 GeV RS radion with $\Lambda_\phi=680$GeV and accommodate with both experimental and theoretically constraints.