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SUMMARY:EFT Coffee: Spencer Chang\, "General Amplitudes for Beyond the Sta
 ndard Model Physics"
DTSTART:20260424T110000Z
DTEND:20260424T120000Z
DTSTAMP:20260526T054000Z
UID:indico-event-1677297@indico.cern.ch
DESCRIPTION:At the LHC and future colliders\, in addition to searching for
  specific theories\, it is crucial to search for new physics model-indepen
 dently. In this talk\, I will describe how to determine the most general o
 n-shell scattering interactions involving Standard Model particles which a
 re $SU(3)_c \\times U(1)_{em}$ invariant.  By a combination of the Hilber
 t series and numerical computations\, we have completely determined the st
 ructure for three and four point interactions. The amplitudes provide a fr
 amework to connect experimental searches and effective field theories.  O
 ne can also use the interactions to perform a systematic search for new ph
 ysics.  As applications\, I will discuss how these enable i) searches for
  general lepton number violating decays for the muon and tau and ii) effec
 tive field theory searches that take into account higher order theoretical
  uncertainties.\n \n\nhttps://indico.cern.ch/event/1677297/
LOCATION:4/2-037 - TH meeting room (CERN)
URL:https://indico.cern.ch/event/1677297/
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