Gravitation form-factors and spin asymmetries in hadron elastic scattering

preprint2010arXivOpen access

Abstract

In the framework of the model, where the scattering amplitude is determined by the first and second moments of the GPDs, the qualitative description of all existing experimental data at s≥52.8\sqrt{s} \geq 52.8 GeV, including the Coulomb range and large momentum transfers, is obtained with only 4 free parameters. The spin-flip amplitude of the nucleon-nucleon elastic scattering is determined taking into account the spin-dependence part of the second moment of the generalized parton distributions (GPDs) with a new set of tt -dependence. The corresponding value of the % analyzing power ANA_N for the pppp at high energy (RHIC) elastic scattering is obtained.

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