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arxiv: hep-ph/0602200 · v4 · submitted 2006-02-22 · ✦ hep-ph · hep-lat· nucl-th

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Leading Chiral Corrections to the Nucleon Generalized Parton Distributions

Shung-ichi Ando , Jiunn-Wei Chen , Chung-Wen Kao
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classification ✦ hep-ph hep-latnucl-th
keywords nucleonchiraldistributionsgpdsleadingcorrectionsgeneralizedparton
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Using heavy baryon chiral perturbation theory we study the leading chiral corrections to the complete set of nucleon generalized parton distributions (GPDs). We compute the leading quark mass and momentum transfer dependence of the moments of nucleon GPDs through the nucleon off-forward twist-2 matrix elements. These results are then applied to get insight on the GPDs and their impact parameter space distributions.

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