Light-Cone Sum Rules for the Nucleon Form Factors

Details Light-Cone Sum Rules for the Nucleon Form Factors Light-Cone Sum Rules for the Nucleon Form Factors

2001-12-05

arxiv.org/abs/hep-ph/0112085v1

Phys.Rev. D65 (2002) 074011

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1103/PhysRevD.65.074011

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.

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