A not so Elementary Higgs

Monday February 21st, 14:30hs - Seminar room

Speaker: Christophe Grojean  (CERN, Geneva & IPhT, Saclay)

Abstract:

Electroweak interactions need three Nambu--Goldstone bosons to provide a mass to the $W^\pm$ and the $Z$ gauge bosons but they also need an ultra-violet (UV) moderator or new physics to unitarize the gauge boson scattering amplitudes.

I shall elaborate on the idea that the Higgs boson could be a composite bound state emerging from a strongly interacting sector, and I shall argue that such composite Higgs scenarios offer a continuous deformation away from the Standard Model. I shall discuss phenomenological signatures of such models both at the LHC and at a Linear Collider.

 

 

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