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CATEGORIES:Cosmology Lunch
SUMMARY:Is Our Universe the Remnant of Chiral Anomaly in I
 nflation? - Azadeh Maleknejad (CERN)
DTSTART;TZID=Europe/London:20210510T130000
DTEND;TZID=Europe/London:20210510T140000
UID:TALK158917AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/158917
DESCRIPTION:Modern cosmology has been remarkably successful in
  describing the universe from a second after the B
 ig Bang until today. However\, its physics before 
 that time is still much less certain. It profoundl
 y involves particle theory beyond the Standard Mod
 el to explain long-standing puzzles: the origin of
  the observed matter asymmetry\, and massive neutr
 inos\, as well as the particle physics of dark mat
 ter and cosmic inflation. In this talk\, I will ex
 plain that a new framework based on embedding axio
 n-inflation in left-right symmetric gauge extensio
 ns of the SM can possibly solve and relate these s
 eemingly unrelated mysteries of modern cosmology. 
 The baryon asymmetry and dark matter today may be 
 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 ro
 bust observable signatures for the GW background t
 o be probed by future CMB missions and laser inter
 ferometer detectors.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Roo
 m]
CONTACT:James Bonifacio
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