Hard exclusive reactions and generalized parton distributions

Hard exclusive reactions and generalized parton distributions

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The recently developed formalism of Generalized Parton Distributions (GPDs) allows connecting the experimental information of hard exclusive reactions to the spin contribution and even to the angular momentum contribution of quarks in the nucleon. By selecting different quantum numbers of the final...

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Main Authors: Hayrapetyan Avetik, Brodski I., Dueren M., Etzelmueller E., Stahl M., Stenzel H.
Format: Article
Language:English
Published: EDP Sciences 2015-01-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20149504029
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spelling doaj-0daa7ebc0e5c4166932a3bba9250ea6a2021-08-02T02:04:36ZengEDP SciencesEPJ Web of Conferences2100-014X2015-01-01950402910.1051/epjconf/20149504029epjconf_icnfp2014_04029Hard exclusive reactions and generalized parton distributionsHayrapetyan Avetik0Brodski I.1Dueren M.2Etzelmueller E.3Stahl M.4Stenzel H.5Justus-Liebig UniversityJustus-Liebig UniversityJustus-Liebig UniversityJustus-Liebig UniversityJustus-Liebig UniversityJustus-Liebig UniversityThe recently developed formalism of Generalized Parton Distributions (GPDs) allows connecting the experimental information of hard exclusive reactions to the spin contribution and even to the angular momentum contribution of quarks in the nucleon. By selecting different quantum numbers of the final state in exclusive productions, different GPDs can be addressed separately. The HERMES experiment at the HERA ring at DESY (Hamburg) made pioneering contributions and first constraints to Generalized Parton Distributions (GPDs), using hard exclusive vector meson production (EVMP) and Deeply Virtual Compton Scattering (DVCS). Using a novel recoil detector, HERMES managed to measure DVCS and EVMP free of any significant background. Selected results are highlighted and discussed in this paper.http://dx.doi.org/10.1051/epjconf/20149504029
collection DOAJ
language English
format Article
sources DOAJ
author Hayrapetyan Avetik
Brodski I.
Dueren M.
Etzelmueller E.
Stahl M.
Stenzel H.
spellingShingle Hayrapetyan Avetik
Brodski I.
Dueren M.
Etzelmueller E.
Stahl M.
Stenzel H.
Hard exclusive reactions and generalized parton distributions
EPJ Web of Conferences
author_facet Hayrapetyan Avetik
Brodski I.
Dueren M.
Etzelmueller E.
Stahl M.
Stenzel H.
author_sort Hayrapetyan Avetik
title Hard exclusive reactions and generalized parton distributions
title_short Hard exclusive reactions and generalized parton distributions
title_full Hard exclusive reactions and generalized parton distributions
title_fullStr Hard exclusive reactions and generalized parton distributions
title_full_unstemmed Hard exclusive reactions and generalized parton distributions
title_sort hard exclusive reactions and generalized parton distributions
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2015-01-01
description The recently developed formalism of Generalized Parton Distributions (GPDs) allows connecting the experimental information of hard exclusive reactions to the spin contribution and even to the angular momentum contribution of quarks in the nucleon. By selecting different quantum numbers of the final state in exclusive productions, different GPDs can be addressed separately. The HERMES experiment at the HERA ring at DESY (Hamburg) made pioneering contributions and first constraints to Generalized Parton Distributions (GPDs), using hard exclusive vector meson production (EVMP) and Deeply Virtual Compton Scattering (DVCS). Using a novel recoil detector, HERMES managed to measure DVCS and EVMP free of any significant background. Selected results are highlighted and discussed in this paper.
url http://dx.doi.org/10.1051/epjconf/20149504029
work_keys_str_mv AT hayrapetyanavetik hardexclusivereactionsandgeneralizedpartondistributions
AT brodskii hardexclusivereactionsandgeneralizedpartondistributions
AT duerenm hardexclusivereactionsandgeneralizedpartondistributions
AT etzelmuellere hardexclusivereactionsandgeneralizedpartondistributions
AT stahlm hardexclusivereactionsandgeneralizedpartondistributions
AT stenzelh hardexclusivereactionsandgeneralizedpartondistributions
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