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dc.contributor.authorBadalov, Alexey-
dc.contributor.authorCalvo Gómez, Míriam-
dc.contributor.authorCasanova Mohr, Raimon-
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.contributor.authorRuiz, Hugo (Ruiz Pérez)-
dc.contributor.authorVilasis-Cardona, Xavier-
dc.contributor.authorLHCb Collaboration-
dc.description.abstractMeasurements are presented of the C P violation observables S and C in the decays of B 0 and ¯ B 0 mesons to the J / ψ K 0 S final state. The data sample corresponds to an integrated luminosity of 3.0     fb − 1 collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7 and 8 TeV, and contains a total of 41 560 selected B 0 and ¯ B 0 decays. The analysis of the time evolution of these decays yields S = 0.731 ± 0.035 ( stat ) ± 0.020 ( syst ) and C = − 0.038 ± 0.032 ( stat ) ± 0.005 ( syst ) . In the standard model, S equals sin ( 2 β ) to a good level of precision. The values are consistent with the current world averages and with the standard model expectations.-
dc.format.extent9 p.-
dc.publisherAmerican Physical Society-
dc.relation.isformatofReproducció del document publicat a:
dc.relation.ispartofPhysical Review Letters, 2015, vol. 115, num. 3, p. 031601-
dc.rightscc by (c) CERN; LHCb Collaboration, 2015-
dc.subject.classificationFísica de partícules-
dc.subject.otherParticle physics-
dc.titleMeasurement of CP Violation in B0→J/ψK0S Decays-
Appears in Collections:Articles publicats en revistes (Electrònica)
Articles publicats en revistes (Física Quàntica i Astrofísica)

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