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Article: Measurements of the proton and deuteron spin structure function g2 and asymmetry A2

TitleMeasurements of the proton and deuteron spin structure function g<inf>2</inf> and asymmetry A<inf>2</inf>
Authors
Issue Date1996
Citation
Physical Review Letters, 1996, v. 76, n. 4, p. 587-591 How to Cite?
AbstractWe 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 √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 theoretical predictions.
Persistent Identifierhttp://hdl.handle.net/10722/235985
ISSN
2015 Impact Factor: 7.645
2015 SCImago Journal Rankings: 3.731

 

DC FieldValueLanguage
dc.contributor.authorAbe, K.-
dc.contributor.authorAkagi, T.-
dc.contributor.authorAnthony, P. L.-
dc.contributor.authorAntonov, R.-
dc.contributor.authorArnold, R. G.-
dc.contributor.authorAverett, T.-
dc.contributor.authorBand, H. R.-
dc.contributor.authorBauer, J. M.-
dc.contributor.authorBorel, H.-
dc.contributor.authorBosted, P. E.-
dc.contributor.authorBreton, V.-
dc.contributor.authorButton-Shafer, J.-
dc.contributor.authorChen, J. P.-
dc.contributor.authorChupp, T. E.-
dc.contributor.authorClendenin, J.-
dc.contributor.authorComptour, C.-
dc.contributor.authorCoulter, K. P.-
dc.contributor.authorCourt, G.-
dc.contributor.authorCrabb, D.-
dc.contributor.authorDaoudi, M.-
dc.contributor.authorDay, D.-
dc.contributor.authorDietrich, F. S.-
dc.contributor.authorDunne, J.-
dc.contributor.authorDutz, H.-
dc.contributor.authorErbacher, R.-
dc.contributor.authorFellbaum, J.-
dc.contributor.authorFeltham, A.-
dc.contributor.authorFonvieille, H.-
dc.contributor.authorFrlez, E.-
dc.contributor.authorGarvey, D.-
dc.contributor.authorGearhart, R.-
dc.contributor.authorGomez, J.-
dc.contributor.authorGrenier, P.-
dc.contributor.authorGriffioen, K. A.-
dc.contributor.authorHoibraten, S.-
dc.contributor.authorHughes, E. W.-
dc.contributor.authorHyde-Wright, C.-
dc.contributor.authorJohnson, J. R.-
dc.contributor.authorKawall, D.-
dc.contributor.authorKlein, A.-
dc.contributor.authorKuhn, S. E.-
dc.contributor.authorKuriki, M.-
dc.contributor.authorLindgren, R.-
dc.contributor.authorLiu, T. J.-
dc.contributor.authorLombard-Nelsen, R. M.-
dc.contributor.authorMarroncle, J.-
dc.contributor.authorMaruyama, T.-
dc.contributor.authorMaruyama, X. K.-
dc.contributor.authorMcCarthy, J.-
dc.contributor.authorMeyer, W.-
dc.contributor.authorMeziani, Z. E.-
dc.contributor.authorMinehart, R.-
dc.contributor.authorMitchell, J.-
dc.contributor.authorMorgenstern, J.-
dc.contributor.authorPetratos, G. G.-
dc.contributor.authorPitthan, R.-
dc.contributor.authorPocanic, D.-
dc.contributor.authorPrescott, C.-
dc.contributor.authorPrepost, R.-
dc.contributor.authorRaines, P.-
dc.contributor.authorRaue, B.-
dc.contributor.authorReyna, D.-
dc.contributor.authorRijllart, A.-
dc.contributor.authorRoblin, Y.-
dc.contributor.authorRochester, L. S.-
dc.contributor.authorRock, S. E.-
dc.contributor.authorRondon, O. A.-
dc.contributor.authorSick, I.-
dc.contributor.authorSmith, L. C.-
dc.contributor.authorSmith, T. B.-
dc.contributor.authorSpengos, M.-
dc.contributor.authorStaley, F.-
dc.contributor.authorSteiner, P.-
dc.contributor.authorSt.Lorant, S.-
dc.contributor.authorStuart, L. M.-
dc.contributor.authorSuekane, F.-
dc.contributor.authorSzalata, Z. M.-
dc.contributor.authorTang, H.-
dc.contributor.authorTerrien, Y.-
dc.contributor.authorUsher, T.-
dc.contributor.authorWalz, D.-
dc.contributor.authorWhite, J. L.-
dc.contributor.authorWitte, K.-
dc.contributor.authorYoung, C. C.-
dc.contributor.authorYoungman, B.-
dc.contributor.authorYuta, H.-
dc.contributor.authorZapalac, G.-
dc.contributor.authorZihlmann, B.-
dc.date.accessioned2016-11-10T07:11:54Z-
dc.date.available2016-11-10T07:11:54Z-
dc.date.issued1996-
dc.identifier.citationPhysical Review Letters, 1996, v. 76, n. 4, p. 587-591-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/235985-
dc.description.abstractWe 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 √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 theoretical predictions.-
dc.languageeng-
dc.relation.ispartofPhysical Review Letters-
dc.titleMeasurements of the proton and deuteron spin structure function g<inf>2</inf> and asymmetry A<inf>2</inf>-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-4243250930-
dc.identifier.volume76-
dc.identifier.issue4-
dc.identifier.spage587-
dc.identifier.epage591-

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