Journal
PHYSICS LETTERS B
Volume 693, Issue 1, Pages 17-23Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2010.07.059
Keywords
Deeply virtual Compton scattering; Generalized parton distribution; Spin asymmetry; Data analysis method
Funding
- French Agence Nationale pour la Recherche [ANR-07-BLAN-0338]
- EU
- [3034]
- Agence Nationale de la Recherche (ANR) [ANR-07-BLAN-0338] Funding Source: Agence Nationale de la Recherche (ANR)
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We have analyzed the longitudinally polarized proton target asymmetry data of the Deep Virtual Compton process recently published by the HERMES Collaboration in terms of Generalized Parton Distributions. We have fitted these new data in a largely model-independent fashion and the procedure results in numerical constraints on the Him Compton Form Factor. We present its t- and xi-dependencies. We also find improvement on the determination of two other Compton Form Factors. H-Re and H-Im. (C) 2010 Elsevier B.V. All rights reserved.
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