Measurements of the Proton and Deuteron Spin Structure Function g2 and Asymmetry A2

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dc.creatorThe E143 Collaboration
dc.creatoral, K. Abe et
dc.date1995-11-29
dc.date1995-11-30
dc.date.accessioned2026-07-07T12:02:12Z
dc.date.available2026-07-07T12:02:12Z
dc.descriptionWe have measured proton and deuteron virtual photon-nucleon asymmetries A2p and A2d and structure functions g2p and g2d over the range 0.03<x<0.8 and 1.3<Q2<10 (GeV/c)2 by inelastically scattering polarized electrons off polarized ammonia targets. Results for A2 are significantly smaller than the positivity limit sqrt(R) for both targets. Within experimental precision, the g2 data are well-described by the twist-2 contribution g2WW. Twist-3 matrix elements have been extracted and are compared to theorectical predictions.
dc.description11 pages, format is postscript file, gzip-ed, uuencode-ed
dc.identifierhttps://arxiv.org/abs/hep-ex/9511013
dc.identifierhttp://arxiv.org/abs/hep-ex/9511013
dc.identifierPhys.Rev.Lett.76:587-591,1996
dc.identifierdoi:10.1103/PhysRevLett.76.587
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207359
dc.subjectHigh Energy Physics - Experiment
dc.titleMeasurements of the Proton and Deuteron Spin Structure Function g2 and Asymmetry A2
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