Could the excess seen at 124-126 GeV be due to the Randall-Sundrum Radion?

Details Could the excess seen at 124-126 GeV be due to the Randall-Sundrum Radion? Could the excess seen at 124-126 GeV be due to the Randall-Sundrum Radion?

2011-12-18

arxiv.org/abs/1112.4146v3

Phys. Rev. Lett. 108, 141602 (2012)

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure. References added; this version matches the published version in PRL

Scientific paper

10.1103/PhysRevLett.108.141602

Current Higgs boson searches in various channels at the LHC point to an excess at around 124-126 GeV due to a possibly standard-model-like Higgs boson. If one examines more closely the channels (\gamma\gamma, WW*, and ZZ*) that have excess, this "Higgs boson" may be the Randall-Sundrum radion \phi. Because of the trace anomaly the radion has stronger couplings to the photon and gluon pairs. Thus, it will enhance the production rates into gg and \gamma\gamma while those for WW*, ZZ* and b\bar b are reduced relative to their standard-model values. We show that it can match well with the data from CMS for m_\phi = 124 GeV and the required scale \Lambda_\phi ~ <\phi > is about 0.68 TeV.

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