Precocious Diphoton Signals of the Little Radion at Hadron Colliders
arXiv:1009.0764 · doi:10.1103/PhysRevD.82.115028
Abstract
In Little Randall-Sundrum models, the bulk couplings of the radion to massless gauge fields can yield a greatly enhanced diphoton signal at hadron colliders. We examine the implications of the Tevatron data for the Little radion and also show that the 7 TeV run at the Large Hadron Collider will have an impressive reach in this channel. The diphoton signal is crucial in the search for a light radion, or the dual dilaton, and can potentially probe the ultraviolet scale of the theory.
5 pages, 2 figures. Errors in the WW and ZZ branching fraction curves in Fig.1 and the related numerical results in Fig.2 have been corrected. New references have been added. Our main conclusions regarding the enhanced diphoton signal of the Little radion remain qualitatively the same and quantitatively similar to the previous results
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