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dc.contributorUniversitat Ramon Llull. La Salle
dc.contributorCERN
dc.contributor.authorBadalov, Alexey
dc.contributor.authorCalvo Gómez, Míriam
dc.contributor.authorVilasís Cardona, Xavier
dc.contributor.authorLHCb Collaboration - CERN
dc.date.accessioned2020-11-20T08:37:09Z
dc.date.accessioned2023-10-02T06:26:10Z
dc.date.available2020-11-20T08:37:09Z
dc.date.available2023-10-02T06:26:10Z
dc.date.created2014
dc.date.issued2014-11-13
dc.identifier.urihttp://hdl.handle.net/20.500.14342/3120
dc.description.abstractWe report on measurements of the time-dependent CP violating observables in B 0 s  → D ∓ s K ± decays using a dataset corresponding to 1.0 fb−1 of pp collisions recorded with the LHCb detector. We find the CP violating observables C f = 0.53±0.25±0.04, A ΔΓ f  = 0.37 ± 0.42 ± 0.20, AΔΓf¯¯¯=0.20±0.41±0.20, S f = −1.09±0.33±0.08, Sf¯¯¯=−0.36±0.34±0.08, where the uncertainties are statistical and systematic, respectively. Using these observables together with a recent measurement of the B 0 s mixing phase −2β s leads to the first extraction of the CKM angle γ from B 0 s  → D ∓ s K ± decays, finding γ = (115 + 28− 43 )° modulo 180° at 68% CL, where the error contains both statistical and systematic uncertainties.eng
dc.format.extent30 p.cat
dc.language.isoengcat
dc.publisherSpringercat
dc.relation.ispartofJournal of High Energy Physics, 2014, Vol. 2014, No.11 (Novembre)cat
dc.rights© CERN
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.sourceRECERCAT (Dipòsit de la Recerca de Catalunya)
dc.subject.otherGran col·lisionador d'hadrons (França i Suïssa)cat
dc.subject.otherPartícules (Física nuclear)cat
dc.titleMeasurement of CP asymmetry in B 0 s  → D ∓ s K ± decayscat
dc.typeinfo:eu-repo/semantics/articlecat
dc.typeinfo:eu-repo/semantics/publishedVersioncat
dc.rights.accessLevelinfo:eu-repo/semantics/openAccess
dc.embargo.termscapcat
dc.subject.udc539
dc.identifier.doihttps://doi.org/10.1007/JHEP11(2014)060cat


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