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The new particle X recently discovered by the ATLAS and CMS Collaborations iswidely expected to have spin zero, but this remains to be determined. Theleading alternative is that X has spin two, presumably with graviton-likecouplings. We show that measurements of the X particle to pairs of vectorbosons constrain such scenarios. In particular, a graviton-like Higgs impostorin scenarios with a warped extra dimension of AdS type is prima facie excluded,principally because they predict too small a ratio between the X couplings toWW and ZZ, compared with that to photons. The data also disfavour universalcouplings to pairs of photons and gluons, which would be predicted in a largeclass of graviton-like models.

Prima Facie Evidence against Spin-Two Higgs Impostors