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    Transverse Beam Spin Asymmetries in Forward-Angle Elastic Electron-Proton Scattering

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    PhysRevLett.99.092301.pdf (213.1Kb)
    No. of downloads: 489

    Date
    2007-07-31
    Author
    Armstrong, D.S.
    Arvieux, J.
    Asaturyan, R.
    Averett, T.
    Bailey, S.L.
    Batigne, G.
    Beck, D.H.
    Beise, E.J.
    Benesch, J.
    Bimbot, L.
    Birchall, J.
    Roche, J.
    Roos, P.
    Rutledge, G.A.
    Secrest, J.
    Simicevic, N.
    Smith, G.R.
    Spayde, D.T.
    Stepanyan, S.
    Stutzman, M.
    Sulkosky, V.
    Tadevosyan, V.
    Tieulent, R.
    Van de Wiele, J.
    van Oers, W.T.H.
    Voutier, E.
    Vulcan, W.
    Warren, G.
    Wells, S.P.
    Williamson, S.E.
    Wood, S.A.
    Yan, C.
    Yun, J.
    Zeps, V.
    G0 Collaboration
    Biselli, A.
    Bosted, P.
    Boukobza, E.
    Breuer, H.
    Carlini, R.
    Carr, R.
    Chant, N.
    Chao, Y.-C.
    Chattopadhyay, S.
    Clark, R.
    Covrig, S.
    Cowley, A.
    Dale, D.
    Davis, C.
    Falk, W.
    Finn, J.M.
    Forest, T.
    Franklin, G.
    Furget, C.
    Gaskell, D.
    Grames, J.
    Griffioen, K.A.
    Grimm, K.
    Guillon, B.
    Guler, H.
    Hannelius, L.
    Hasty, R.
    Hawthorne Allen, A.
    Horn, T.
    Johnston, K.
    Jones, M.
    Kammel, P.
    Kazimi, R.
    King, P.M.
    Kolarkar, A.
    Korkmaz, E.
    Korsch, W.
    Kox, S.
    Kuhn, J.
    Lachniet, J.
    Lee, L.
    Lenoble, J.
    Liatard, E.
    Liu, J.
    Loupias, B.
    Lung, A.
    Marchand, D.
    Martin, J.W.
    McFarlane, K.W.
    McKee, D.W.
    McKeown, R.D.
    Merchez, F.
    Mkrtchyan, H.
    Moffit, B.
    Morlet, M.
    Nakagawa, I.
    Nakahara, K.
    Neveling, R.
    Ong, S.
    Page, S.
    Papavassiliou, V.
    Pate, S.F.
    Phillips, S.K.
    Pitt, M.L.
    Poelker, M.
    Porcelli, T.A.
    Quéméner, G.
    Quinn, B.
    Ramsay, W.D.
    Rauf, A.W.
    Real, J.-S.
    Citation
    Armstrong, D.S. et al. "Transverse Beam Spin Asymmetries in Forward-Angle Elastic Electron-Proton Scattering." Physical Review Letters 99, no. 9 (2007): 092301 (5).
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    Abstract
    We have measured the beam-normal single-spin asymmetry in elastic scattering of transversely polarized 3 GeV electrons from unpolarized protons at Q2=0.15, 0.25  (GeV/c)2. The results are inconsistent with calculations solely using the elastic nucleon intermediate state and generally agree with calculations with significant inelastic hadronic intermediate state contributions. An provides a direct probe of the imaginary component of the 2γ exchange amplitude, the complete description of which is important in the interpretation of data from precision electron-scattering experiments.
    URI
    http://hdl.handle.net/1903/11360
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    © 2007 The American Physical Society.

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    DRUM is brought to you by the University of Maryland Libraries
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