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SUMMARY:Regulated chiral gauge theory and the strong CP problem
DTSTART:20260616T140000Z
DTEND:20260616T160000Z
DTSTAMP:20260624T052900Z
UID:indico-event-1683447@indico.cern.ch
DESCRIPTION:Speakers: David Kaplan\n\nExtra dimensions provide a natural w
 ay to define and regulate chiral gauge theories.  In scenarios where we l
 ive on the four-dimensional boundary of a five dimensional world\, anomali
 es are related to current flow into the extra dimension.  A consequence i
 s that our concept of universality might need to be altered.  In particul
 ar\, QCD as a stand-alone theory need not be in the same universality clas
 s as QCD embedded in the Standard Model. I discuss how lattice chiral gaug
 e theories can be regulated in five dimensions\, and show that a possible 
 consequence is that the strong CP problem can be resolved without an axion
  — due to the appearance of fermion zero modes localized far from our wo
 rld in the fifth dimension.\n\nhttps://indico.cern.ch/event/1683447/\n\nZo
 om: https://cern.zoom.us/j/68098777127?pwd=U2FQNDFZNGVyWW5YOTViQncwUmJ3UT0
 9
LOCATION:4/2-037 - TH meeting room (CERN)
URL:https://indico.cern.ch/event/1683447/
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