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dc.contributor.authorGarcía Martín, L. M.-
dc.contributor.authorHenry, L.-
dc.contributor.authorJashal, B.-
dc.contributor.authorMartínez-Vidal, Fernando-
dc.contributor.authorOyanguren, Arantza-
dc.contributor.authorRemón Alepuz, Clara-
dc.contributor.authorRuiz Vidal, Joan-
dc.contributor.authorSánchez Mayordomo, Carlos-
dc.contributor.authorLHCb Collaboration-
dc.date.accessioned2019-11-27T12:31:38Z-
dc.date.available2019-11-27T12:31:38Z-
dc.date.issued2019-08-
dc.identifierdoi: 10.1103/PhysRevD.100.031102-
dc.identifierissn: 2470-0029-
dc.identifier.citationPhysical Review D 100 (3): 031102(R) (2019)-
dc.identifier.urihttp://hdl.handle.net/10261/195735-
dc.description.abstractThe production fractions of B̄s0 and Λb0 hadrons, normalized to the sum of B- and B̄0 fractions, are measured in 13 TeV pp collisions using data collected by the LHCb experiment, corresponding to an integrated luminosity of 1.67 fb-1. These ratios, averaged over the b hadron transverse momenta from 4 to 25 GeV and pseudorapidity from 2 to 5, are 0.122±0.006 for B̄s0, and 0.259±0.018 for Λb0, where the uncertainties arise from both statistical and systematic sources. The Λb0 ratio depends strongly on transverse momentum, while the B̄s0 ratio shows a mild dependence. Neither ratio shows variations with pseudorapidity. The measurements are made using semileptonic decays to minimize theoretical uncertainties. In addition, the ratio of D+ to D0 mesons produced in the sum of B̄0 and B- semileptonic decays is determined as 0.359±0.006±0.009, where the uncertainties are statistical and systematic.-
dc.publisherAmerican Physical Society-
dc.relationMICIU/ICTI2017-2020/FPA2017-85140-C3-3-P-
dc.relationFPA2017-85140-C3-3-P/AEI/10.13039/501100011033-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleMeasurement of b hadron fractions in 13 TeV pp collisions-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevD.100.031102-
dc.date.updated2019-11-27T12:31:39Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/-
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)-
dc.contributor.funderAgencia Estatal de Investigación (España)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100011033es_ES
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