Electroproduction of the N*(1535) Resonance at Large Momentum Transfer

Braun, Vladimir M. and Goeckeler, M. and Horsley, R. and Kaltenbrunner, T. and Lenz, A. and Nakamura, Y. and Pleiter, D. and Rakow, P. E. L. and Rohrwild, J. and Schaefer, A. and Schierholz, G. and Stueben, H. and Warkentin, N. and Zanotti, J. M. (2009) Electroproduction of the N*(1535) Resonance at Large Momentum Transfer. PHYSICAL REVIEW LETTERS, 103 (7): 072001. ISSN 0031-9007,

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Abstract

We report on the first lattice calculation of light-cone distribution amplitudes of the N*(d1535) resonance, which are used to calculate the transition form factors at large momentum transfers using light-cone sum rules. In the region Q(2) > 2 GeV(2), where the light-cone expansion is expected to converge, the results appear to be in good agreement with the experimental data.

Item Type: Article
Uncontrolled Keywords: NUCLEON WAVE-FUNCTIONS; HADRONIC FORM-FACTORS; QUANTUM CHROMODYNAMICS; DISTRIBUTION AMPLITUDES; ASYMPTOTIC-BEHAVIOR; EXCLUSIVE PROCESSES; HIGHER TWIST; QCD; TRANSITION; OPERATORS;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Braun > Group Vladimir Braun
Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer
Depositing User: Dr. Gernot Deinzer
Date Deposited: 09 Sep 2020 09:34
Last Modified: 09 Sep 2020 09:34
URI: https://pred.uni-regensburg.de/id/eprint/28568

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