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Measurement of the vector analyzing power in elastic electron-proton scattering as a probe of double photon exchange amplitudes

dc.contributor.authorWells, S.P.
dc.contributor.authorAverett, T.
dc.contributor.authorBarkhuff, D.
dc.contributor.authorBeck, D.H.
dc.contributor.authorBeise, E.J.
dc.contributor.authorBenson, C.
dc.contributor.authorBreuer, H.
dc.contributor.authorCarr, R.
dc.contributor.authorCovrig, S.
dc.contributor.authorDelCorso, J.
dc.contributor.authorDodson, G.
dc.contributor.authorEppstein, C.
dc.contributor.authorFarkhondeh, M.
dc.contributor.authorFilippone, B.W.
dc.contributor.authorForest, T.
dc.contributor.authorFrasier, P.
dc.contributor.authorHasty, R.
dc.contributor.authorIto, T.M.
dc.contributor.authorJones, C.
dc.contributor.authorKorsch, W.
dc.contributor.authorKowalski, S.
dc.contributor.authorLee, P.
dc.contributor.authorManeva, E.
dc.contributor.authorMcCarty, K.
dc.contributor.authorMcKeown, R.D.
dc.contributor.authorMikell, J.
dc.contributor.authorMueller, B.
dc.contributor.authorNaik, P.
dc.contributor.authorPitt, M.L
dc.contributor.authorRitter, J.
dc.contributor.authorSavu, V.
dc.contributor.authorSpayde, D.T.
dc.contributor.authorSullivan, M.
dc.contributor.authorTieulent, R.
dc.contributor.authorTsentalovich, E.
dc.contributor.authorYang, B.
dc.contributor.authorZwart, T.
dc.contributor.authorSAMPLE Collaboration
dc.date.accessioned2010-11-23T21:30:35Z
dc.date.available2010-11-23T21:30:35Z
dc.date.issued2001-05
dc.identifier.citationWells, S.P. et al. "Measurement of the Vector Analyzing Power in Elastic Electron Proton Scattering as a Probe of Double Photon Exchange Amplitudes." Physical Review C 63, no. 6 (2001): 064001.en_US
dc.identifier.issn0556-2813
dc.identifier.urihttp://hdl.handle.net/1903/10995
dc.description.abstractWe report the first measurement of the vector analyzing power in inclusive transversely polarized elastic electron-proton scattering at Q2 = 0.1 (GeV/c)2 and large scattering angles. This quantity should vanish in the single virtual photon exchange, plane wave impulse approximation for this reaction, and can therefore provide information on double photon exchange amplitudes for electro- magnetic interactions with hadronic systems. We find a non-zero value of A=-15.4±5.4 ppm. No calculations of this observable for nuclei other than spin 0 have been carried out in these kinematics, and the calculation using the spin orbit interaction from a charged point nucleus of spin 0 cannot describe these data.en_US
dc.language.isoen_USen_US
dc.subjectPhysicsen_US
dc.subjectVectoren_US
dc.subjectElectron-protonen_US
dc.titleMeasurement of the vector analyzing power in elastic electron-proton scattering as a probe of double photon exchange amplitudesen_US
dc.typeArticleen_US
dc.relation.isAvailableAtCollege of Computer, Mathematical & Physical Sciencesen_us
dc.relation.isAvailableAtPhysicsen_us
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_us
dc.relation.isAvailableAtUniversity of Maryland (College Park, MD)en_us
dc.rights.license© 2001 The American Physical Society.


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