University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Calendar

Friday, November 11th 2016
Speaker: Bogdan A Dobrescu (FNAL)
Subject: Vectorlike fermions and new gauge bosons

A fourth generation of chiral quarks and leptons is tightly constrained by LHC data. However, new fermions may exist if their mass is not generated by the Higgs field. Such "vectorlike quarks” are searched at the LHC under the assumption that they decay into a quark and a boson. I will show that other, more exotic decays of the vectorlike quarks may be the dominant ones. Furthermore, new gauge bosons may undergo cascade decays via vectorlike fermions, leading to novel collider signatures.

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