Geometric scaling in exclusive processes
Institute for Theoretical Physics, University of Heidelberg, Philosophenweg 19, 69120, Heidelberg, Germany
2 Laboratoire de Physique Théorique, Université Paris XI, centre d'Orsay, bâtiment 211, 91405, Orsay cedex, France
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We show that according to the present understanding of the energy evolution of the observables measured in deep-inelastic scattering, the photon-proton scattering amplitude has to exhibit geometric scaling at each impact parameter. We suggest a way to test this experimentally at HERA. A qualitative analysis based on published data is presented and discussed.
© Springer-Verlag, 2003