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SUMMARY:Semi-inclusive B decays: from perturbative QCD to data
DTSTART;VALUE=DATE-TIME:20060512T100000Z
DTEND;VALUE=DATE-TIME:20060512T110000Z
DTSTAMP;VALUE=DATE-TIME:20261112T225517Z
UID:indico-event-1499@indico.ific.uv.es
DESCRIPTION:We discuss the semi-inclusive decays of heavy flavors in the f
 ramework of threshold resummation. We focalize on the radiative B decays a
 nd on the semileptonic B decays\, discussing both analogies and difference
 s. In particular\, we show that most spectra in semileptonic decays do not
  have the same long-distance structure with respect to each other and to t
 he photon spectrum in the radiative decay. We present a model for next-to-
 next-to-leading logarithm (NNLL) resummed threshold form factors based on 
 the analytic QCD coupling. Through this model we can reproduce\, with good
  accuracy\, all known measured spectra without introducing any ad-hoc non-
 perturbative component.\n\nhttps://indico.ific.uv.es/event/1499/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1499/
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