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SUMMARY:Mehmet Asım Gümüş\, PhD\,"Modern S-Matrix Bootstrap and Its Ph
 enomenological Applications"
DTSTART:20260506T120000Z
DTEND:20260506T130000Z
DTSTAMP:20260524T091400Z
UID:indico-event-16@indico.itu.edu.tr
DESCRIPTION:The scattering matrix (S-matrix) is the fundamental mathematic
 al tool used to describe particle interactions in collider experiments. Th
 e bootstrap research program was originally proposed in the 1960s to under
 stand the scattering dynamics of strong nuclear forces. It aimed to constr
 uct S-matrix elements by imposing consistency with fundamental principles 
 such as causality and unitarity\, but it fell out of favor with the develo
 pment of Quantum Chromodynamics.\nIn this talk\, we review the modern revi
 val of the bootstrap program enabled by numerical tools such as semidefini
 te optimization. We then explore the space of interacting theories of mass
 ive real scalar particles in 3+1 dimensions\, focusing on regions where a 
 perturbative effective field theory (EFT) expansion is valid. This framewo
 rk provides guidance in the search for Beyond the Standard Model physics\,
  particularly in the Higgs sector\, by placing theoretical bounds on dimen
 sion-six Wilson coefficients in the Standard Model EFT. Finally\, we discu
 ss the use of neural networks as a novel tool for solving nonlinear bootst
 rap equations.\n\nhttps://indico.itu.edu.tr/event/16/
URL:https://indico.itu.edu.tr/event/16/
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