Measurement of the Y(nS) polarizations in pp collisions at √{s}=7 and 8 TeV

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dc.contributor.authorLHCb Collaboration
dc.contributor.authorCoquereau, Samuel
dc.contributor.authorFernandez, G.
dc.contributor.authorGarrido Beltrán, Lluís
dc.contributor.authorGascón Fora, David
dc.contributor.authorGraciani Díaz, Ricardo
dc.contributor.authorGraugés Pous, Eugeni
dc.contributor.authorMarin Benito, Carla
dc.contributor.authorPicatoste Olloqui, Eduardo
dc.contributor.authorRives Molina, Vicente José
dc.date.accessioned2022-06-07T14:43:07Z
dc.date.available2022-06-07T14:43:07Z
dc.date.issued2017-12
dc.date.updated2022-06-07T14:43:08Z
dc.description.abstractThe polarization of the Y(1S), Y(2S) and Y(3S) mesons, produced in pp collisions at centre-of-mass energies √{s}=7 and 8 TeV, is measured using data samples collected by the LHCb experiment, corresponding to integrated luminosities of 1 and 2 fb-1, respectively. The measurements are performed in three polarization frames, using Y → μμ decays in the kinematic region of the transverse momentum p T Υ < 30 GeV/ c and rapidity 2.2 < y Y < 4.5. No large polarization is observed.
dc.format.extent60 p.
dc.format.mimetypeapplication/pdf
dc.identifier.idgrec678031
dc.identifier.issn1126-6708
dc.identifier.urihttps://hdl.handle.net/2445/186399
dc.language.isoeng
dc.publisherSpringer Verlag
dc.relation.isformatofReproducció del document publicat a: https://doi.org/10.1007/JHEP12(2017)110
dc.relation.ispartofJournal of High Energy Physics, 2017, vol. 2017, num. 110, p. 60-80
dc.relation.urihttps://doi.org/10.1007/JHEP12(2017)110
dc.rightscc-by (c) LHCb Collaboration et al., 2017
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject.classificationHadrons
dc.subject.classificationGran Col·lisionador d'Hadrons
dc.subject.classificationExperiments
dc.subject.otherHadrons
dc.subject.otherLarge Hadron Collider (France and Switzerland)
dc.subject.otherExperiments
dc.titleMeasurement of the Y(nS) polarizations in pp collisions at √{s}=7 and 8 TeV
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion

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