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dc.contributor.authorLHCb Collaborationes_ES
dc.contributor.authorAaij, R.es_ES
dc.contributor.authorOyanguren, Arantzaes_ES
dc.contributor.authorRuiz Valls, Pabloes_ES
dc.date.accessioned2015-12-14T11:00:52Z-
dc.date.available2015-12-14T11:00:52Z-
dc.date.issued2013-06-10-
dc.identifier.citationPhysics Letters - Section B 723 (1-3): 44-53 (2013)es_ES
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10261/126797-
dc.description.abstractAn analysis of and B-+/- -> DK +/- and B-+/- -> D pi(+/-) decays is presented where the D meson is reconstructed in the four-body final state K-+/-pi(-/+)pi(+)pi(-). Using LHCb data corresponding to an integrated luminosity of 1.0 fb(-1), first observations are made of the suppressed ADS modes B-+/- ->[pi K-+/-(-/+)pi(+)pi(-)](D)K-+/- and B +/- -> [pi K-+/-(-/+)pi(+)pi(-)](D)pi(+/-) with a significance of 5.1 sigma and greater than 10 sigma, respectively. Measurements of CP asymmetries and CP-conserving ratios of partial widths from this family of decays are also performed. The magnitude of the ratio between the suppressed and favoured B-+/- -> DK +/- amplitudes is determined to be r(B)(K) = 0.097 +/- 0.011.es_ES
dc.description.sponsorshipWe express our gratitude to our colleagues in the CERN accelerator departments for the excellent performance of the LHC. We thank the technical and administrative staff at the LHCb institutes. We acknowledge support from CERN and from the national agencies: CAPES, CNPq, FAPERJ and FINEP (Brazil); NSFC (China); CNRS/IN2P3 and Region Auvergne (France); BMBF, DFG, HGF and MPG (Germany); SFI (Ireland); INFN (Italy); FOM and NWO (The Netherlands); SCSR (Poland); ANCS/IFA (Romania); MinES, Rosatom, RFBR and NRC "Kurchatov Institute" (Russia); MinECo, XuntaGal and GENCAT (Spain); SNSF and SER (Switzerland); NAS Ukraine (Ukraine); STFC (United Kingdom); NSF (USA). We also acknowledge the support received from the ERC under FP7. The Tier1 computing centres are supported by IN2P3 (France), KIT and BMBF (Germany), INFN (Italy), NWO and SURF (The Netherlands), PIC (Spain), GridPP (United Kingdom). We are thankful for the computing resources put at our disposal by Yandex LLC (Russia), as well as to the communities behind the multiple open source software packages that we depend on.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation.isversionofPreprintes_ES
dc.rightsopenAccesses_ES
dc.subjectCP-Violationes_ES
dc.subjectAngel gammaes_ES
dc.titleObservation of the suppressed ADS modes B-+/- -> [pi K-+/-(-/+)pi(+)pi(-)](D)K-+/- and B-+/- -> [pi K-+/-(-/+)pi(+)pi(-)](D)pi(+/-)es_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.physletb.2013.05.009-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.physletb.2013.05.009es_ES
dc.identifier.e-issn1873-2445)-
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderGeneralitat de Catalunyaes_ES
dc.contributor.funderXunta de Galiciaes_ES
dc.contributor.funderCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (Brasil)es_ES
dc.contributor.funderFederal Ministry of Education and Research (Germany)es_ES
dc.contributor.funderIstituto Nazionale di Fisica Nuclearees_ES
dc.contributor.funderNetherlands Organization for Scientific Researches_ES
dc.contributor.funderRosatom State Atomic Energy Corporation (Russia)es_ES
dc.contributor.funderSwiss National Science Foundationes_ES
dc.contributor.funderScience and Technology Facilities Council (UK)es_ES
dc.contributor.funderCentro Nacional de Física de Partículas, Astropartículas y Nuclear (España)es_ES
dc.relation.csices_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100002809es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100002322es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100002347es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000271es_ES
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