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Longitudinal double-spin asymmetries in semi-inclusive deep-inelastic scattering of electrons and positrons by protons and deuterons

dc.contributor.authorHERMES Collaboration
dc.contributor.authorSchnell, Gunar
dc.contributor.authorVan Hulse, Charlotte Barbara
dc.contributor.authorVeretennikov, D.
dc.date.accessioned2020-02-21T11:40:43Z
dc.date.available2020-02-21T11:40:43Z
dc.date.issued2019-07-05
dc.identifier.citationPhysical Review D 99(11) : (2019) // Article ID 112001es_ES
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
dc.identifier.urihttp://hdl.handle.net/10810/41385
dc.description.abstractA comprehensive collection of results on longitudinal double-spin asymmetries is presented for charged pions and kaons produced in semi-inclusive deep-inelastic scattering of electrons and positrons on the proton and deuteron, based on the full HERMES data set. The dependence of the asymmetries on hadron transverse momentum and azimuthal angle extends the sensitivity to the flavor structure of the nucleon beyond the distribution functions accessible in the collinear framework. No strong dependence on those variables is observed. In addition, the hadron charge-difference asymmetry is presented, which under certain model assumptions provides access to the helicity distributions of valence quarks.es_ES
dc.description.sponsorshipWe gratefully acknowledge the DESY management for its support, the staff at DESY and the collaborating institutions for their significant effort. This work was supported by the State Committee of Science of the Republic of Armenia, Grant No. 18T-1C180; the FWO-Flanders and IWT, Belgium; the Natural Sciences and Engineering Research Council of Canada; the National Natural Science Foundation of China; the Alexander von Humboldt Stiftung, the German Bundesministerium fur Bildung und Forschung (BMBF), and the Deutsche Forschungsgemeinschaft (DFG); the Italian Istituto Nazionale di Fisica Nucleare (INFN); the MEXT, JSPS, and G-COE of Japan; the Dutch Foundation for Fundamenteel Onderzoek der Materie (FOM); the Russian Academy of Science and the Russian Federal Agency for Science and Innovations; the Basque Foundation for Science (IKERBASQUE), the Basque Government, Grant No. IT956-16, and MINECO (Juan de la Cierva), Spain; the U.K. Engineering and Physical Sciences Research Council, the Science and Technology Facilities Council, and the Scottish Universities Physics Alliance; as well as the U.S. Department of Energy (DOE) and the National Science Foundation (NSF).es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subjectpolarized quark distributionses_ES
dc.subjectazimuthal dependencees_ES
dc.subjecthelicity distributionses_ES
dc.subjectnucleones_ES
dc.subjectelectroproductiones_ES
dc.subjectvalencees_ES
dc.titleLongitudinal double-spin asymmetries in semi-inclusive deep-inelastic scattering of electrons and positrons by protons and deuteronses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.holderPublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. (CC BY 4.0)es_ES
dc.rights.holderAtribución 3.0 España*
dc.relation.publisherversionhttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.99.112001es_ES
dc.identifier.doi10.1103/PhysRevD.99.112001
dc.departamentoesFísica teórica e historia de la cienciaes_ES
dc.departamentoeuFisika teorikoa eta zientziaren historiaes_ES


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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. (CC BY 4.0)
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