Speaker
Dr
Jing Ren
(University of Toronto)
Description
We consider possible extensions of the standard model that are not only completely
asymptotically free, but are such that the UV fixed point is completely UV attractive. All
couplings flow towards a set of fixed ratios in the UV. Motivated by low scale unification,
semi-simple gauge groups with elementary scalars in various representations are
explored. The simplest model is a version of the Pati-Salam model. The Higgs boson
is truly elementary but dynamical symmetry breaking from strong interactions may be
needed at the unification scale. A hierarchy problem, much reduced from grand unified
theories, is still in need of a solution.
Authors
Bob Holdom
(University of Toronto)
Mr
Chen Zhang
(University of Toronto)
Dr
Jing Ren
(University of Toronto)