Implication of the overlap representation for modelling generalized parton distributions

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dc.creatorHwang, D. S.
dc.creatorMueller, D.
dc.date2007-10-08
dc.date.accessioned2026-07-07T11:53:26Z
dc.date.available2026-07-07T11:53:26Z
dc.descriptionBased on a field theoretically inspired model of light-cone wave functions, we derive valence-like generalized parton distributions and their double distributions from the wave function overlap in the parton number conserved s-channel. The parton number changing contributions in the t-channel are restored from duality. In our construction constraints of positivity and polynomiality are simultaneously satisfied and it also implies a model dependent relation between generalized parton distributions and transverse momentum dependent parton distribution functions. The model predicts that the t-behavior of resulting hadronic amplitudes depends on the Bjorken variable x_Bj. We also propose an improved ansatz for double distributions that embeds this property.
dc.description15 pages, 8 eps figures
dc.identifierhttps://arxiv.org/abs/0710.1567
dc.identifierhttp://arxiv.org/abs/0710.1567
dc.identifierPhys.Lett.B660:350-359,2008
dc.identifierdoi:10.1016/j.physletb.2008.01.014
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204538
dc.subjectHigh Energy Physics - Phenomenology
dc.titleImplication of the overlap representation for modelling generalized parton distributions
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