1. Evidence For Virtual Compton-Scattering From The Proton
- Author
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B. W. Filippone, Jenny Nelson, Kisoo Lee, Haiyan Gao, D. H. Potterveld, D. F. Geesaman, E. R. Kinney, H. E. Jackson, B. Zeidman, S. E. Rock, R. D. McKeown, K. van Bibber, B. Mueller, Michael Chapman, M. B. Epstein, K. P. Coulter, R. A. Gearhart, Jim Napolitano, Wolfgang Lorenzon, D. J. Margaziotis, J. Arrington, E. J. Beise, H. J. Bulten, P.L. Anthony, J.-O. Hansen, F. S. Dietrich, S. E. Kuhn, J. F. J. van den Brand, P. E. Bosted, G. G. Petratos, J. E. Belz, Thomas O'Neill, L. H. Tao, M. Spengos, Rolf Ent, V. Papavassiliou, Z. M. Szalata, A. Lung, D. A. Wasson, R. G. Arnold, C. E. Jones, C. E. Keppel, Ross Milner, James L. White, R. J. Holt, and Naomi C R Makins
- Subjects
Physics ,Photon ,Proton ,Astrophysics::High Energy Astrophysical Phenomena ,Nuclear Theory ,Compton scattering ,Electron ,Compton wavelength ,MAGNETIC FORM-FACTORS ,Inelastic scattering ,Q(2)=1.75 ,Linear particle accelerator ,Nuclear physics ,(GEV/C)(2) ,Physics::Accelerator Physics ,Nucleon ,Nuclear Experiment - Abstract
In virtual Compton scattering an electron is scattered off a nucleon such that the nucleon emits a photon. We show that these events can be selected experimentally, and present the first evidence for virtual Compton scattering from the proton in data obtained at the Stanford Linear Accelerator Center. The angular and energy dependence of the data is well described by a calculation that includes the coherent sum of electron and proton radiation.
- Published
- 1995
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