Light-cone sum rules for the nucleon form factors

Braun, Vladimir M. and Lenz, A. and Mahnke, N. and Stein, E. (2002) Light-cone sum rules for the nucleon form factors. PHYSICAL REVIEW D, 65 (7): 074011. ISSN 2470-0010, 2470-0029

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Abstract

We argue that soft nonfactorizable 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.

Item Type: Article
Uncontrolled Keywords: TWIST DISTRIBUTION AMPLITUDES; LARGE MOMENTUM-TRANSFER; QUANTUM CHROMODYNAMICS; EXCLUSIVE PROCESSES; COMPTON-SCATTERING; EVOLUTION-EQUATIONS; SOFT CONTRIBUTION; PERTURBATIVE QCD; WAVE-FUNCTIONS; VECTOR-MESONS;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Braun > Group Vladimir Braun
Depositing User: Dr. Gernot Deinzer
Date Deposited: 03 Nov 2021 09:29
Last Modified: 03 Nov 2021 09:29
URI: https://pred.uni-regensburg.de/id/eprint/40450

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