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PRODID:UW-Madison-Physics-Events
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UID:UW-Physics-Event-3882
DTSTART:20160223T213000Z
DTEND:20160223T223000Z
DTSTAMP:20260308T235304Z
LAST-MODIFIED:20160222T210249Z
LOCATION:5280 Chamberlin Hall
SUMMARY:The Surprising Emergent Phenomena of Perturbative QCD\, Theory
  Seminar (High Energy/Cosmology)\, Andrew Larkoski\, Harvard Universit
 y
DESCRIPTION:The standard lore says that the only observables that are 
 calculable within perturbation theory in QCD or any gauge theory are t
 hose that are infrared and collinear safe.  Recently\, we have discove
 red observables that are not infrared and collinear safe\, yet are cal
 culable in perturbation theory when all orders effects are included.  
 We refer to these observables as Sudakov safe and unlike infrared and 
 collinear safe observables\, their distributions have non-analytic dep
 endence on the coupling.  In this talk\, I will discuss one Sudakov sa
 fe observable which exhibits independence on the coupling and manifest
 s the universal collinear splitting functions.
URL:https://www.physics.wisc.edu/events/?id=3882
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