Radyushkin, A. V. and Weiss, Christian (2001) Kinematical twist-3 effects in deeply virtual Compton scattering as a quark spin rotation. PHYSICAL REVIEW D, 64 (9): 097504. ISSN 0556-2821
Full text not available from this repository. (Request a copy)Abstract
We point out that the kinematical twist-3 contributions to the deeply virtual Compton scattering amplitude, required to restore electromagnetic gauge invariance of the twist-2 amplitude up to O(t/q(2)), can be understood as a spin rotation applied to the twist-2 quark density matrix in the target. This allows for a compact representation of the twist-3 effects, as well as for a simple physical interpretation.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | AMPLITUDE; QCD; DISTRIBUTIONS; MESONS; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 01 Dec 2021 13:50 |
| Last Modified: | 01 Dec 2021 13:50 |
| URI: | https://pred.uni-regensburg.de/id/eprint/41002 |
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