Orateur
Oleg Antipin
(INFN & Firenze U.)
Description
Assuming that mass scales arise in nature only via dimensional transmutation, we extend the dimension-less Standard Model by adding vector-like fermions charged under a new strong gauge interaction. Their non-perturbative dynamics generates a mass scale that is transmitted to the elementary Higgs boson by electro-weak and possibly Yukawa interactions. In its minimal version the model has the same number of parameters as the Standard Model and predicts that the electro-weak symmetry gets broken and predicts new-physics in the multi-TeV region which is compatible with all existing bounds. It also provides two Dark Matter candidates stable thanks to accidental symmetries: a composite scalar in the adjoint of SU(2)_L and a composite singlet fermion. Their thermal relic abundance is predicted to be comparable to the measured cosmological DM abundance.
Based on: O.Antipin, M.Redi, and A.Strumia [arXiv:1410.1817]
