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SUMMARY:The Hidden Geometry of Particle Collisions - Jesse Thaler (MIT)
DTSTART:20201027T160000Z
DTEND:20201027T170000Z
UID:TALK151537@talks.cam.ac.uk
CONTACT:William Fawcett
DESCRIPTION:In this talk\, I explain how various concepts and techniques i
 n quantum field theory and collider physics can be naturally translated in
 to a new geometric language.  Using the energy mover's distance\, which qu
 antifies the minimal amount of "work" required to rearrange one event into
  another\, we can define a distance between pairs of collider events.  Thi
 s distance can then be used to triangulate the "space" of collider events 
 and rigorously define various geometric objects.  Many well-known collider
  observables\, jet algorithms\, and pileup mitigation schemes have a simpl
 e geometric interpretation\, as does the important concept of infrared and
  collinear safety.  Intriguingly\, these ideas can be lifted from a distan
 ce between events into a distance between theories\, with potential releva
 nce for visualizing and interpreting data from the LHC.
LOCATION:Ryle Seminar Room (Rutherford 930) 
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