Light-Cone Sum Rules for the Nucleon Form Factors

Abstract

We argue that soft non-factorisable terms give a significant contribution to the baryon form factors at intermediate momentum transfers and set up a framework for the calculation of such terms in the light-cone sum rule approach. Among them, contributions of three-quark states with different helicity structure compared to the leading twist prove to be the most important. The leading-order sum rules are derived and confronted with the experimental data.

22 pages, 7 figures, submitted to Phys. Rev. D

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