Mueller, Dieter (2006) Next-to-next-to-leading order corrections to deeply virtual Compton scattering: the non-singlet case. PHYSICS LETTERS B, 634 (2-3). pp. 227-234. ISSN 0370-2693,
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We study perturbative QCD corrections to deeply virtual Compton scattering on an unpolarized nucleon target in the flavor non-singlet sector to next-to-next-to-leading order accuracy, restricting ourselves to the kinematically dominant amplitude. The difference between the standard minimal subtraction and the conformal scheme, in which conformal symmetry is manifest, is studied to next-to-leading order. Beyond this order we employ conformal symmetry for the evaluation of perturbative corrections. Within a certain class of generalized parton distributions we find moderate radiative corrections. (c) 2006 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ANALYTIC CONTINUATION; PARTON DISTRIBUTIONS; EXCLUSIVE PROCESSES; WAVE-FUNCTIONS; FORM-FACTOR; LIGHT-CONE; QCD; EXPANSION; EVOLUTION; FACTORIZATION; perturbative corrections; deeply virtual compton scattering; conformal symmetry |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 18 Feb 2021 06:22 |
| Last Modified: | 18 Feb 2021 06:22 |
| URI: | https://pred.uni-regensburg.de/id/eprint/34790 |
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