The dual parametrization for gluon GPDs

Details The dual parametrization for gluon GPDs The dual parametrization for gluon GPDs

2010-01-15

arxiv.org/abs/1001.2711v1

Eur.Phys.J.A45:217-232,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

37 pages, 2 figures

Scientific paper

10.1140/epja/i2010-10997-7

We consider the application of the dual parametrization for the case of gluon GPDs in the nucleon. This provides opportunities for the more flexible modeling unpolarized gluon GPDs in a nucleon which in particular contain the invaluable information on the fraction of nucleon spin carried by gluons. We perform the generalization of Abel transform tomography approach for the case of gluons. We also discuss the skewness effect in the framework of the dual parametrization. We strongly suggest to employ the fitting strategies based on the dual parametrization to extract the information on GPDs from the experimental data.

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