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SUMMARY:Is Our Universe the Remnant of Chiral Anomaly in Inflation? - Azad
 eh Maleknejad (CERN)
DTSTART:20210510T120000Z
DTEND:20210510T130000Z
UID:TALK158917@talks.cam.ac.uk
CONTACT:James Bonifacio
DESCRIPTION:Modern cosmology has been remarkably successful in describing 
 the universe from a second after the Big Bang until today. However\, its p
 hysics before that time is still much less certain. It profoundly involves
  particle theory beyond the Standard Model to explain long-standing puzzle
 s: the origin of the observed matter asymmetry\, and massive neutrinos\, a
 s well as the particle physics of dark matter and cosmic inflation. In thi
 s talk\, I will explain that a new framework based on embedding axion-infl
 ation in left-right symmetric gauge extensions of the SM can possibly solv
 e and relate these seemingly unrelated mysteries of modern cosmology. The 
 baryon asymmetry and dark matter today may be remnants of a pure quantum e
 ffect (chiral anomaly) in inflation which is the source of CP violation in
  inflation. As a smoking gun\, this setup has robust observable signatures
  for the GW background to be probed by future CMB missions and laser inter
 ferometer detectors.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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