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SUMMARY:Colliders in the Sky: Constraining High-Energy Physics with Cosmol
 ogical Observations
DTSTART:20261009T193000Z
DTEND:20261009T213000Z
DTSTAMP:20261014T184000Z
UID:indico-event-10774@indico.slac.stanford.edu
DESCRIPTION:Speakers: Oliver Philcox (Stanford University)\n\nWith an ener
 gy scale potentially reaching 10^15 GeV\, the physical description of infl
 ation likely lies far beyond the realm of the standard model. This leaves 
 many questions unanswered: what fields were present during inflation? how 
 did they interact with each other? In this seminar\, I will discuss how mo
 dern cosmological datasets can be used to shed light on the early Universe
  by searching for the tell-tale signs of “primordial non-Gaussianity”.
  In particular\, I will present new searches for inflationary signals in C
 osmic Microwave Background and galaxy survey data\, which allow for a deta
 iled study of the primordial effective Lagrangian. Leveraging an array of 
 theoretical and computational tricks\, these methods can place constraints
  on the microphysics of inflation and directly probe particle scattering p
 rocesses in the early Universe\, practically acting as a “cosmological c
 ollider”.\n\nhttps://indico.slac.stanford.edu/event/10774/
LOCATION:48/2-224 - Madrone (SLAC)
URL:https://indico.slac.stanford.edu/event/10774/
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