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Composite fermions in Electroweak Symmetry Breaking
Riccardo Barbieri, Gino Isidori, Duccio Pappadopulo
If the electroweak symmetry is broken by some unspecified strong dynamics, composite fermions may exist with definite transformation properties under SU(2)_L x SU(2)_R/SU(2)_{L+R}…
Heavy Vectors in Higgs-less models
Riccardo Barbieri, Gino Isidori, Vyacheslav S. Rychkov +1
One or more heavy spin-1 fields may replace the Higgs boson in keeping perturbative unitarity up to a few TeV. By means of two prototype chiral models for the heavy spin-1 bosons,…
Signatures of new physics at 14 TeV
Riccardo Barbieri
I give an overview of the ideas and of the problems that orient the expectations for new physics at the Large Hadron Collider and, whenever I can, I describe the corresponding sign…