Tevatron Signal for an Unmixed Radion

Details Tevatron Signal for an Unmixed Radion Tevatron Signal for an Unmixed Radion

2011-04-25

arxiv.org/abs/1104.4749v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

This paper has been temporarily withdrawn by the authors due to some errors in the cross-section computation

Scientific paper

The recent observation by the CDF Collaboration of an excess in $W$ plus dijet events, where the dijet invariant mass shows a 3.2$\sigma$ peak around $144 \pm 5$ GeV, is shown to be consistent with the production of a radion $\Phi$ of mass in this range, in association with a $W$ boson. It is shown that the $\Phi$, which is known to be similar to the Higgs boson in many aspects, differs from it in having a much larger cross-section for $q\bar q \to W\Phi$ and in decaying principally to gluons, rather than $b\bar b$ pairs. These appear to be the precise features demanded by the new particle interpretation of the CDF events. No modifications of the underlying model are required.

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