Compton Scattering Cross Section on the Proton at High Momentum Transfer

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dc.creatorDanagoulian, A.
dc.creatorMamyan, V. H.
dc.creatorRoedelbronn, M.
dc.creatorCollaboration, the Hall A
dc.date2007-01-28
dc.date2007-01-30
dc.date.accessioned2026-07-07T12:00:06Z
dc.date.available2026-07-07T12:00:06Z
dc.descriptionCross-section values for Compton scattering on the proton were measured at 25 kinematic settings over the range s = 5-11 and -t = 2-7 GeV2 with statistical accuracy of a few percent. The scaling power for the s-dependence of the cross section at fixed center of mass angle was found to be 8.0 +/ 0.2, strongly inconsistent with the prediction of perturbative QCD. The observed cross-section values are in fair agreement with the calculations using the handbag mechanism, in which the external photons couple to a single quark.
dc.description5 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/nucl-ex/0701068
dc.identifierhttp://arxiv.org/abs/nucl-ex/0701068
dc.identifierPhys.Rev.Lett.98:152001,2007
dc.identifierdoi:10.1103/PhysRevLett.98.152001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206776
dc.subjectNuclear Experiment
dc.subjectHigh Energy Physics - Experiment
dc.titleCompton Scattering Cross Section on the Proton at High Momentum Transfer
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