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SUMMARY:Azadeh Maleknejad (CERN)
DTSTART:20210421T160000Z
DTEND:20210421T170000Z
DTSTAMP:20260423T024617Z
UID:CMU-TP/33
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CMU-TP/33/">
 Is Our Universe the Remnant of Chiral Anomaly in Inflation?</a>\nby Azadeh
  Maleknejad (CERN) as part of Carnegie Mellon theoretical physics\n\n\nAbs
 tract\nModern cosmology has been remarkably successful in describing the U
 niverse from a second after the Big Bang until today. However\, its physic
 s before that time is still much less certain. It profoundly involves part
 icle theory beyond the Standard Model to explain long-standing puzzles: th
 e origin of the observed matter asymmetry\, nature of dark matter\, massiv
 e neutrinos\, and cosmic inflation. In this talk\, I will explain that a n
 ew framework based on embedding axion-inflation in left-right symmetric ga
 uge extensions of the SM can possibly solve and relate these seemingly unr
 elated mysteries of modern particle physics and cosmology. The baryon asym
 metry and dark matter today are remnants of a pure quantum effect (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 ba
 ckground to be probed by future CMB missions and laser interferometer dete
 ctors.\n
LOCATION:https://researchseminars.org/talk/CMU-TP/33/
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