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SUMMARY:Probing gluon TMD models with Drell-Yan structure functions
DTSTART:20260721T150000Z
DTEND:20260721T160000Z
DTSTAMP:20260726T035500Z
UID:indico-event-33487@indico.bnl.gov
DESCRIPTION:Speakers: Jan Ferdyan (Jagiellonian University)\n\nWe study th
 e Drell-Yan structure functions within the kT-factorization framework\, wi
 th particular emphasis on the Lam-Tung combination\, which is known to be 
 sensitive to the transverse momentum of the initial-state partons. We cons
 ider the two dominant tree-level scattering channels involving gluons: the
  scattering of two off-shell gluons and the scattering of a valence quark 
 with an off-shell gluon. Within this approach\, we probe various gluon tra
 nsverse momentum distribution (TMD) models and compare theoretical predict
 ions with ATLAS measurements. We find that the Drell-Yan structure functio
 ns are sensitive to the choice of gluon TMD model\, and in particular\, th
 at a reasonably good description of the Lam-Tung combination can be achiev
 ed within this formalism for some of the considered TMD models.\n\nhttps:/
 /indico.bnl.gov/event/33487/
URL:https://indico.bnl.gov/event/33487/
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