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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/349719
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dc.contributor.authorTumasyan, Armenes_ES
dc.contributor.authorBrochero Cifuentes, J. A.es_ES
dc.contributor.authorCabrillo, I. J.es_ES
dc.contributor.authorCalderon, Aliciaes_ES
dc.contributor.authorDuarte Campderros, J.es_ES
dc.contributor.authorFernández-García, Marcoses_ES
dc.contributor.authorFernandez Madrazo, C.es_ES
dc.contributor.authorGarcía Alonso, A.es_ES
dc.contributor.authorGómez, Gervasioes_ES
dc.contributor.authorLasaosa, Claraes_ES
dc.contributor.authorMartínez-Rivero, Celsoes_ES
dc.contributor.authorMartínez Ruiz del Arbol, P.es_ES
dc.contributor.authorMatorras, Franciscoes_ES
dc.contributor.authorPiedra, Jonatanes_ES
dc.contributor.authorPrieels, C.es_ES
dc.contributor.authorScodellaro, Lucaes_ES
dc.contributor.authorVila, Ivánes_ES
dc.contributor.authorVizán, J.es_ES
dc.contributor.authorCMS Collaborationes_ES
dc.date.accessioned2024-03-08T08:45:42Z-
dc.date.available2024-03-08T08:45:42Z-
dc.date.issued2023-
dc.identifier.citationPhysical Review Letters 131(12): 121901 (2023)es_ES
dc.identifier.urihttp://hdl.handle.net/10261/349719-
dc.descriptionCMS Collaboration: A. Tumasyan et al.es_ES
dc.description.abstractThe dependence of the ratio between the B0s and Bþ hadron production fractions, fs=fu, on the transverse momentum (pT) and rapidity of the B mesons is studied using the decay channels B0s → J=ψϕ and Bþ → J=ψKþ. The analysis uses a data sample of proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experiment in 2018 and corresponding to an integrated luminosity of 61.6 fb−1. The fs=fu ratio is observed to depend on the B pT and to be consistent with becoming asymptotically constant at large pT. No rapidity dependence is observed. The ratio of the B0 to Bþ meson production fractions, fd=fu, is also measured, for the first time in proton-proton collisions, using the B0 → J=ψK0 decay channel. The result is found to be within 1 standard deviation of unity and independent of pT and rapidity, as expected from isospin invariance.es_ES
dc.description.sponsorshipWe acknowledge the enduring support for the construction and operation of the LHC, the CMS detector, and the supporting computing infrastructure provided by the following funding agencies: BMBWF and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, FAPERGS, and FAPESP (Brazil); MES and BNSF (Bulgaria); CERN; CAS, MoST, and NSFC (China); MINCIENCIAS (Colombia); MSES and CSF (Croatia); RIF (Cyprus); SENESCYT (Ecuador); MoER, ERC PUT, and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRI (Greece); NKFIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); MES (Latvia); LAS (Lithuania); MOE and UM (Malaysia); BUAP, CINVESTAV, CONACYT, LNS, SEP, and UASLP-FAI (Mexico); MOS (Montenegro); MBIE (New Zealand); PAEC (Pakistan); MES and NSC (Poland); FCT (Portugal); MESTD (Serbia); MCIN/AEI and PCTI (Spain); MOSTR (Sri Lanka); Swiss Funding Agencies (Switzerland); MST (Taipei); MHESI and NSTDA (Thailand); TUBITAK and TENMAK (Turkey); NASU (Ukraine); STFC (United Kingdom); DOE and NSF (USA).es_ES
dc.formatapplication/pdfes_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.relation.isversionofPublisher's versiones_ES
dc.relation.isbasedonThe underlying dataset has been published as supplementary material of the article in the publisher platform at DOI 10.1103/PhysRevLett.131.121901es_ES
dc.rightsopenAccesses_ES
dc.titleMeasurement of the dependence of the hadron production fraction ratios fs/fu and fd/fu on B meson kinematic variables in proton-proton collisions at √s = 13 TeVes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1103/PhysRevLett.131.121901-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1103/PhysRevLett.131.121901es_ES
dc.identifier.e-issn1079-7114-
dc.rights.licensehttps://creativecommons.org/licenses/by/4.0/es_ES
dc.contributor.funderScience and Technology Facilities Council (UK)es_ES
dc.contributor.funderNational Science Foundation (US)es_ES
dc.contributor.funderDepartment of Energy (US)es_ES
dc.contributor.funderNational Aeronautics and Space Administration (US)es_ES
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.relation.csicSíes_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/100000015es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100000104es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100000001es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000271es_ES
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
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