Speaker
Maximilian Volker Berbig
Description
We construct a ``theory of many things'' based on gauging the approximate $SU(3)_H$ lepton flavor symmetry of the Standard Model. The lepton sector parallels the quark sector as its own Higgsed QCD with $N_c = 3, N_f = 2$. From the quark sector, the DFSZ axion solves strong CP and gives rise to QCD axion DM. Meanwhile the parallel lepto-axion can bias the early-universe $\text{SU}(3)_H$ sphaleron transition to generate chiral lepton asymmetries, which are reprocessed into a baryon asymmetry via electroweak sphalerons. We analyze contributions to the mass of the lepto-axion from UV instantons of $\text{SU}(3)_H$, as well as a dynamical contribution from the presence of lepton-flavor monopoles.
Authors
Maximilian Volker Berbig
Seth Koren
(University of Notre Dame)