Higher order QCD corrections to charged-lepton deep-inelastic scattering and global fits of parton distributions

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dc.creatorAlekhin, S.
dc.creatorMoch, S.
dc.date2008-11-10
dc.date2009-01-18
dc.date.accessioned2026-07-07T12:40:24Z
dc.date.available2026-07-07T12:40:24Z
dc.descriptionWe study the perturbative QCD corrections to heavy-quark structure functions of charged-lepton deep-inelastic scattering and their impact on global fits of parton distributions. We include the logarithmically enhanced terms near threshold due to soft gluon resummation in the QCD corrections at next-to-next-to-leading order. We demonstrate that this approximation is sufficient to describe the available HERA data in most parts of the kinematic region. The threshold-enhanced next-to-next-to-leading order corrections improve the agreement between predictions based on global fits of the parton distribution functions and the HERA collider data even in the small-x region.
dc.description11 pages, 6 figures, latex, extended journal version
dc.identifierhttps://arxiv.org/abs/0811.1412
dc.identifierhttp://arxiv.org/abs/0811.1412
dc.identifierPhys.Lett.B672:166-171,2009
dc.identifierdoi:10.1016/j.physletb.2009.01.004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/219433
dc.subjectHigh Energy Physics - Phenomenology
dc.titleHigher order QCD corrections to charged-lepton deep-inelastic scattering and global fits of parton distributions
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