Speaker
Michael Fedderke
(University of Chicago)
Description
The recently-proposed relaxion framework aims to provide a novel dynamical solution to the Standard Model hierarchy problem. We examine the phenomenology of a new TeV-scale QCD-like sector associated with particular relaxion models in which non-perturbative effects in the new sector provide the stopping-potential for the relaxion. Among the host of potential new-physics signals, whose impact we consider in exploring the parameter space available to these models, it is particularly interesting that decays of the new-sector mesons may provide an explanation for the recent evidence from ATLAS and CMS indicating the presence of an excess of diphoton events with an invariant mass near 750GeV.
Author
Michael Fedderke
(University of Chicago)
Co-authors
Andrea Tesi
LianTao Wang
(University of Chicago)