Drell-Yan processes, transversity and light-cone wavefunctions

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dc.creatorPasquini, B.
dc.creatorPincetti, M.
dc.creatorBoffi, S.
dc.date2006-12-08
dc.date2007-08-31
dc.date.accessioned2026-07-07T11:02:20Z
dc.date.available2026-07-07T11:02:20Z
dc.descriptionThe unpolarized, helicity and transversity distributions of quarks in the proton are calculated in the overlap representation of light-cone wavefunctions truncated to the lowest order Fock-space components with three valence quarks. The three distributions at the hadronic scale satisfy an interesting relation consistent with the Soffer inequality. Results are derived in a relativistic quark model including radiative corrections up to the next-to-leading order. Predictions for the double transverse-spin asymmetry in Drell-Yan dilepton production initiated by proton-antiproton collisions are presented. Asymmetries of about 20-30% are found in the kinematic conditions of the PAX experiment.
dc.description17 pages, 7 figures; version to appear in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/hep-ph/0612094
dc.identifierhttp://arxiv.org/abs/hep-ph/0612094
dc.identifierPhys.Rev.D76:034020,2007
dc.identifierdoi:10.1103/PhysRevD.76.034020
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188221
dc.subjectHigh Energy Physics - Phenomenology
dc.titleDrell-Yan processes, transversity and light-cone wavefunctions
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