Accessing the Longitudinally Polarized Photon Content of the Proton

dc.creatorMukherjee, A.
dc.creatorPisano, C.
dc.date2004-05-10
dc.date2004-08-31
dc.date.accessioned2026-07-07T13:03:52Z
dc.date.available2026-07-07T13:03:52Z
dc.descriptionWe investigate the QED Compton process (QEDCS) in longitudinally polarized lepton-proton scattering both in the elastic and inelastic channels and show that the cross section can be expressed in terms of the polarized equivalent photon distribution of the proton. We provide the necessary kinematical constraints to extract the polarized photon content of the proton using this process at HERMES, COMPASS and eRHIC. We also discuss the suppression of the major background process coming from virtual Compton scattering. We point out that such an experiment can give valuable information on $g_1(x_B, Q^2)$ in the small $x_B$, broad $Q^2$ region at the future polarized collider eRHIC and especially in the lower $Q^2$, medium $x_B$ region in fixed target experiments.
dc.descriptionVersion to appear in PRD
dc.identifierhttps://arxiv.org/abs/hep-ph/0405079
dc.identifierhttp://arxiv.org/abs/hep-ph/0405079
dc.identifierPhys.Rev.D70:034029,2004
dc.identifierdoi:10.1103/PhysRevD.70.034029
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/226962
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titleAccessing the Longitudinally Polarized Photon Content of the Proton
dc.typetext

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