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SUMMARY:Electroweak physics in field theories of heavy composite particles
DTSTART:20261104T120000Z
DTEND:20261104T133000Z
DTSTAMP:20261104T164500Z
UID:indico-event-257@indico.zdv.uni-mainz.de
CONTACT:hurth@uni-mainz.de
DESCRIPTION:Speakers: Prof. Dr. Ryan Plestid (CERN\, Geneva\, Switzerland)
 \n\nHow do we incorporate non-perturbative structure (form factors etc.) i
 nto loop corrections? How do we respect sacrosanct principles like gauge i
 nvariance and locality? This is not an academic question but impacts many 
 aspects of precision flavour physics that are butting up against experimen
 tal precision right now. \nIn this talk I will overview some physical set
 tings (from the few-GeV to the few-eV scale) where this question pops up\,
  sketch different approaches and methods to attack this problem\, and then
  focus specifically on weak scattering and decays of nuclei. Our goal in t
 his most ambitious problem will be  to control radiative corrections to 1
 00 ppm. I will explain how this problem requires a detailed understanding 
 of how long- and short-distance approximations can be wedded together\, an
 d what lessons can be learned for the broader program of structure depende
 nt QED corrections. \n\nhttps://indico.zdv.uni-mainz.de/event/257/
LOCATION:05.127 Lorentz-Raum (Institut für Physik)
URL:https://indico.zdv.uni-mainz.de/event/257/
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