Testing a dynamical origin of Standard Model fermion masses

Abstract

We discuss a test of the Standard Model fermion mass origin in models of dynamical electroweak symmetry breaking. The couplings of composite pseudoscalar resonances to top quarks allow to distinguish high-scale Extended-Technicolor-type fermion mass generation from fermion partial compositeness and low-scale mass generation via an induced vacuum expectation value of a doublet coupled to the composite sector. These different possible origins of fermion masses are thus accessible via weak-scale physics searched for at the LHC.

arXiv comment6 pages, 3 figures. Discussion of fermion partial compositeness added, typos improved

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• Loop-Generated Neutrino Masses in Composite Higgs Models
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• Dark-technicolour at colliders