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SUMMARY:S-matrix Bootstrap: from theory to phenomenology
DTSTART:20260218T094500Z
DTEND:20260218T110000Z
DTSTAMP:20260420T163400Z
UID:indico-event-11806@indico.mpp.mpg.de
DESCRIPTION:Speakers: Andrea Guerrieri (City St. George’s\, Univ. of Lon
 don)\n\nThe space of relativistic scattering amplitudes is tightly constra
 ined by general principles such as causality\, unitarity\, and analyticity
 . The S-matrix Bootstrap program aims to characterize this space directly\
 , without reference to a specific Lagrangian\, by exploiting these constra
 ints using modern and powerful tools from convex optimization. \nIn this 
 talk\, I will discuss two applications of this approach. First\, I will sh
 ow how combining analytic methods with numerical bootstrap techniques allo
 ws one to upgrade the asymptotic Froissart bound into a quantitative\, mod
 el-independent bound that is valid at all energies https://arxiv.org/pdf/
 2506.04313. Second\, I will illustrate how incorporating experimental data
  into the bootstrap framework makes it possible to reproduce the known QCD
  spectrum and provides evidence for an unexpected tetraquark state https:/
 /arxiv.org/pdf/2410.23333\, currently under investigation by the LHCb coll
 aboration\n\nhttps://indico.mpp.mpg.de/event/11806/
LOCATION:A.1.01 - Alps  Süd (MPP)
URL:https://indico.mpp.mpg.de/event/11806/
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