Nonperturbative γ^* p Interaction in the Diffractive Regime

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dc.creatorDosch, H. G.
dc.creatorGousset, T.
dc.creatorPirner, H. J.
dc.date1997-07-07
dc.date.accessioned2026-07-07T10:58:28Z
dc.date.available2026-07-07T10:58:28Z
dc.descriptionOne of the challenging aspects of electroproduction at high-energy is the understanding of the transition from real photons to virtual photons in the GeV^2 region. We study inclusive electroproduction on the proton at small x_B using a nonperturbative dipole-proton cross section calculated from the gauge invariant gluon field correlators as input. By quark-hadron duality, we construct a photon light cone wave function which links the ``hadronic'' behavior at small Q^2 to the ``perturbative'' behavior at large Q^2. It contains quark masses which implement the transition from constituent quarks at low Q^2 to current quarks at high Q^2. Our calculation gives a good description of the structure function at fixed energy for Q^2<=10 GeV^2. Indications for a chiral transition may already have been seen in the photon-proton cross section.
dc.description28 pages, LaTeX, epsf
dc.identifierhttps://arxiv.org/abs/hep-ph/9707264
dc.identifierhttp://arxiv.org/abs/hep-ph/9707264
dc.identifierPhys.Rev.D57:1666-1679,1998
dc.identifierdoi:10.1103/PhysRevD.57.1666
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/187112
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNonperturbative γ^* p Interaction in the Diffractive Regime
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