Goloskokov, S. V. and Kroll, P. (2009) The target asymmetry in hard vector-meson electroproduction and parton angular momenta. EUROPEAN PHYSICAL JOURNAL C, 59 (4). pp. 809-819. ISSN 1434-6044, 1434-6052
Full text not available from this repository. (Request a copy)Abstract
The target asymmetry for electroproduction of vector mesons is investigated within the handbag approach. While the generalized parton distribution (GPD) H is taken from a previous analysis of the electroproduction cross section, we here construct the GPD E from double distributions and constrain it by the Pauli form factors of the nucleon, positivity bounds and sum rules. Predictions for the target asymmetry are given for various vector mesons and it is discussed how experimental data on the asymmetry will further constrain E and what we may learn about the angular momenta the partons carry.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | NUCLEON SPIN; DISTRIBUTIONS; SCATTERING; QUARK; QCD; HADRONS; HERMES; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 07 Oct 2020 04:53 |
| Last Modified: | 07 Oct 2020 04:53 |
| URI: | https://pred.uni-regensburg.de/id/eprint/29508 |
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