Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/57959
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dc.contributor.authorCalvo Gómez, Míriam-
dc.contributor.authorCamboni, Alessandro-
dc.contributor.authorEnterria i Adan, David G. d'-
dc.contributor.authorGarrido Beltrán, Lluís-
dc.contributor.authorGrabalosa Gándara, Marc-
dc.contributor.authorGraciani Díaz, Ricardo-
dc.contributor.authorGraugés Pous, Eugeni-
dc.contributor.authorLópez Asamar, Elias-
dc.contributor.authorMusy, Marco-
dc.contributor.authorPérez-Calero Yzquierdo, Antonio-
dc.contributor.authorPie Valls, B. (Blai)-
dc.contributor.authorPotterat, Cédric-
dc.contributor.authorPuig Navarro, Albert-
dc.contributor.authorRuiz, Hugo (Ruiz Pérez)-
dc.contributor.authorVázquez Gómez, Ricard-
dc.contributor.authorVilasis-Cardona, Xavier-
dc.contributor.authorLHCb Collaboration-
dc.date.accessioned2014-10-02T11:35:23Z-
dc.date.available2014-10-02T11:35:23Z-
dc.date.issued2011-
dc.identifier.issn1126-6708-
dc.identifier.urihttp://hdl.handle.net/2445/57959-
dc.description.abstractThe Λ¯/Λ and Λ¯/K0S production ratios are measured by the LHCb detector from 0.3 nb−1 of pp collisions delivered by the LHC at s√=0.9 TeV and 1.8 nb−1 at s√=7 TeV. Both ratios are presented as a function of transverse momentum, p T, and rapidity, y, in the ranges 0.15 < p T < 2.50 GeV/c and 2.0 < y < 4.5. Results at the two energies are in good agreement as a function of rapidity loss, ∆y = y beam − y, and are consistent with previous measurements. The ratio Λ¯/Λ , measuring the transport of baryon number from the collision into the detector, is smaller in data than predicted in simulation, particularly at high rapidity. The ratio Λ¯/K0S , measuring the baryon-to-meson suppression in strange quark hadronisation, is significantly larger than expected.-
dc.format.extent22 p.-
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherSpringer Verlag-
dc.relation.isformatofReproducció del document publicat a: http://dx.doi.org/10.1007/JHEP08(2011)034-
dc.relation.ispartofJournal of High Energy Physics, 2011, vol. 8, num. 34, p. 1-22-
dc.relation.urihttp://dx.doi.org/10.1007/JHEP08(2011)034-
dc.rightscc-by, (c) LHCb Collaboration, 2011-
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/-
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)-
dc.subject.classificationHadrons-
dc.subject.classificationTeoria quàntica de camps-
dc.subject.classificationTeoria quàntica-
dc.subject.classificationGravitació-
dc.subject.classificationRelativitat (Física)-
dc.subject.otherHadrons-
dc.subject.otherQuantum field theory-
dc.subject.otherQuantum theory-
dc.subject.otherGravitation-
dc.subject.otherRelativity (Physics)-
dc.titleMeasurement of V 0   production ratios in pp  collisions at s  √   = 0.9 and 7 TeVeng
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.identifier.idgrec601742-
dc.date.updated2014-10-02T11:35:23Z-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))

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