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DTSTART:20250330T010000
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DTSTART;TZID=Europe/Rome:20250321T110000
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DTSTAMP:20260510T040755
CREATED:20250303T093513Z
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SUMMARY:Sudakov resummation of thrust distribution in electron-positron annihilation
DESCRIPTION:Speaker: Giancarlo Ferrera (Istituto Nazionale di Fisica Nucleare) \nWe present a resummed QCD calculation of the thrust distribution in electron-positron annihilation in the back-to-back region up to N^4LL accuracy\, matched to fixed-order results up to NNLO. We perform the resummation of the large Sudakov logarithms in the Laplace-conjugated space\, and we show that the results differ significantly from those obtained through resummation in thrust space. We include non-perturbative corrections using an analytic hadronization model that depends on two free parameters. Finally\, we present a comparison of our predictions with experimental data at the Z-boson peak\, and we extract a value for the QCD coupling that is fully consistent with the world average.
URL:/event/sudakov-resummation-of-thrust-distribution-in-electron-positron-annihilation/
LOCATION:Aula A-1\, Via Enrico Fermi\, 40\, Frascati\, Roma\, 00044\, Italia
CATEGORIES:Seminari teorici
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