Transverse single spin asymmetries in inclusive deep-inelastic scattering

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dc.creatorMetz, A.
dc.creatorSchlegel, M.
dc.creatorGoeke, K.
dc.date2006-10-10
dc.date2006-11-14
dc.date.accessioned2026-07-07T11:43:40Z
dc.date.available2026-07-07T11:43:40Z
dc.descriptionIn inclusive deep-inelastic lepton-hadron scattering multi-photon exchange between the leptonic and the hadronic part of the process causes single spin asymmetries. The asymmetries exist for a polarized target as well as a polarized incoming or outgoing lepton, if the polarization vector has a component transverse with respect to the reaction plane. The spin dependent parts of the single polarized cross sections are suppressed like $α_{em} m_{pol}/Q$ - where $m_{pol}$ denotes the mass of the polarized particle - compared to the leading terms of the cross section for unpolarized or double-polarized deep-inelastic scattering. Both the target and the beam spin asymmetry are evaluated in the parton model. In the calculation only quark-quark correlators are included. While this approximation turns out to be justified for the lepton spin asymmetries, it is not sufficient for the target asymmetry.
dc.description9 pages, 1 figure, minor changes, final version, to appear in Phys. Lett. B
dc.identifierhttps://arxiv.org/abs/hep-ph/0610112
dc.identifierhttp://arxiv.org/abs/hep-ph/0610112
dc.identifierPhys.Lett.B643:319-324,2006
dc.identifierdoi:10.1016/j.physletb.2006.11.009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201324
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titleTransverse single spin asymmetries in inclusive deep-inelastic scattering
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