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Semi-inclusive deep-inelastic scattering in Wandzura-Wilczek-type approximation

dc.contributor.authorBastami, S.
dc.contributor.authorAvakian, H.
dc.contributor.authorEfremov, A. V.
dc.contributor.authorKotzinian, A.
dc.contributor.authorMusch, B. U.
dc.contributor.authorParsamyan, B.
dc.contributor.authorProkudin, A.
dc.contributor.authorSchlegel, M.
dc.contributor.authorSchnell, Gunar
dc.contributor.authorSchweitzer, P.
dc.contributor.authorTezgin, K.
dc.date.accessioned2020-02-21T11:48:23Z
dc.date.available2020-02-21T11:48:23Z
dc.date.issued2019-06-04
dc.identifier.citationJournal Of High Energy Physics 6 : (2019) // Article ID 007es_ES
dc.identifier.issn1029-8479
dc.identifier.urihttp://hdl.handle.net/10810/41387
dc.description.abstractWe present the complete cross-section for the production of unpolarized hadrons in semi-inclusive deep-inelastic scattering up to power-suppressed O(1/Q(2) terms in the Wandzura-Wilczek-type approximation, which consists in systematically assuming that (q) over bar gq-terms are much smaller than (q) over barq-correlators. We compute all twist-2 and twist-3 structure functions and the corresponding asymmetries, and discuss the applicability of the Wandzura-Wilczek-type approximations on the basis of available data. We make predictions that can be tested by data from COMPASS, HERMES, Jefferson Lab, and the future Electron-Ion Collider. The results of this paper can be readily used for phenomenology and for event generators, and will help to improve the description of semi-inclusive deep-inelastic processes in terms of transverse momentum dependent parton distribution functions and fragmentation functions beyond the leading twist.es_ES
dc.description.sponsorshipFirst and foremost, the authors would like to thank their families for patience and constant support throughout writing this paper. The authors would like to thank Werner Vogelsang for many useful discussions. This work was partially supported by the U.S. Department of Energy under Contract No. DE-AC05-06OR23177 (A.P.) and within theTMD Collaboration framework, and by the National Science Foundation under Contract No. PHY-1623454 (A.P.) and Contract No. PHY-1812423 (P.S.), and the Wilhelm Schuler Stiftung (P.S.). The work was supported by DOE grant no. DE-FG02-04ER41309. We thank the COMPASS and HERMES Collaborations for the permissions to show their preliminary data on several fi gures.es_ES
dc.language.isoenges_ES
dc.publisherSpringeres_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subjectdeep inelastic scattering (phenomenology)es_ES
dc.subjectQCD phenomenologyes_ES
dc.subjectsingle-spin asymmetrieses_ES
dc.subjectLorentz invariance relationses_ES
dc.subjectodd fragmentation functionses_ES
dc.subjectHERMES polarized hydrogenes_ES
dc.subjectDrell-Yanes_ES
dc.subjectazimuthal asymmetrieses_ES
dc.subjectparton distributionses_ES
dc.subjectsum-ruleses_ES
dc.subjectquark polarizationes_ES
dc.subjectstate interactionses_ES
dc.titleSemi-inclusive deep-inelastic scattering in Wandzura-Wilczek-type approximationes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.holderThis article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are creditedes_ES
dc.rights.holderAtribución 3.0 España*
dc.relation.publisherversionhttps://link.springer.com/article/10.1007%2FJHEP06%282019%29007es_ES
dc.identifier.doi10.1007/JHEP06(2019)007
dc.departamentoesFísica teórica e historia de la cienciaes_ES
dc.departamentoeuFisika teorikoa eta zientziaren historiaes_ES


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This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited
Except where otherwise noted, this item's license is described as This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited