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DVCS via color dipoles

B. Z. KopeliovichbTheoretical Physics Department, Uzbekistan National University, Tashkent 700174, UzbekistanIván SchmidtaDepartamento de Física y Centro de Estudios Subatómicos, Universidad Técnica Federico Santa María, Casilla 110‐V, Valparaíso, ChileMarat SiddikovaDepartamento de Física y Centro de Estudios Subatómicos, Universidad Técnica Federico Santa María, Casilla 110‐V, Valparaíso, ChileRoberto FioreИ. А. ИвановAlessandro PapaJacques Soffer
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We study the DVCS amplitude within the color dipole approach employing a nonperturbative wave function for the real photon. We found that the model is able to decribe the absolute value of the cross section and the t‐slope, but predicts too steep Q2‐dependence in comparison with H1 data.

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