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SUMMARY:Clay Cordova (Chicago)
DTSTART:20230214T150000Z
DTEND:20230214T160000Z
DTSTAMP:20260423T021131Z
UID:SymSem/27
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SymSem/27/">
 Neutrino Masses from Generalized Symmetry Breaking</a>\nby Clay Cordova (C
 hicago) as part of Symmetry Seminar\n\n\nAbstract\nWe explore generalized 
 global symmetries in theories of physics Beyond the Standard Model. Models
  with Z' bosons generically contain `non-invertible' chiral symmetries\, w
 hose presence indicates a natural paradigm to break this symmetry by an ex
 ponentially small amount in an ultraviolet completion. For example\, in mo
 dels of gauged lepton family difference\, there is a non-invertible lepton
  number symmetry which protects neutrinomasses. We embed these theories in
  gauged non-Abelian horizontal lepton symmetries\, e.g  SU(3)_H\, where th
 e generalized symmetries are broken non-perturbatively by the existence of
  lepton family magnetic monopoles. In such theories\, either Majorana or D
 irac neutrino masses may be generated through quantum gauge theory effects
  from the charged lepton Yukawas. These theories require no bevy of new fi
 elds nor ad hoc additional global symmetries\, but are instead simple\, na
 tural\, and predictive: the discovery of a lepton family Z' at low energie
 s will reveal the scale at which it emerges from a larger gauge symmetry.\
 n
LOCATION:https://researchseminars.org/talk/SymSem/27/
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