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DVCS via color dipoles: Nonperturbative effects

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Jan 2008Embargo end date: 01 Jan 2008Publisher:arXiv

Authors: Kopeliovich, B. Z.; Schmidt, Ivan; Siddikov, M.;

doi: 10.48550/arxiv.0812.3992

arXiv: http://arxiv.org/abs/0812.3992

DVCS via color dipoles: Nonperturbative effects

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Abstract

We study the DVCS amplitude within the color dipole approach. The light-cone wave function of a real photon is evaluated in the instanton vacuum model. Our parameter free calculations are able to describe H1 data, both the absolute values and the $t$-dependences, at medium-high values of $Q^{2}$. The $Q^{2}$ dependence is found to be sensitive to the choice of the phenomenological cross section fitted to DIS data.

11 pages; references added, bibliographic inaccuracy corrected

Keywords

High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences

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Deeply virtual Compton scattering via color dipoles: Nonperturbative effects
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DVCS via color dipoles: Nonperturbative effects

DVCS via color dipoles: Nonperturbative effects

1 Research products, page 1 of 1

Deeply virtual Compton scattering via color dipoles: Nonperturbative effects