Improved limit on the branching fraction of the rare decay K0S→μ+μ−

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dc.contributor.affiliationUniversidade de Santiago de Compostela. Departamento de Física de Partículasgl
dc.contributor.authorAaij, Roel
dc.contributor.authorAdeva Andany, Bernardo
dc.contributor.authorBorsato, Martino
dc.contributor.authorChobanova, Veronika
dc.contributor.authorCid Vidal, Xabier
dc.contributor.authorDosil Suárez, Álvaro
dc.contributor.authorFernández Prieto, Antonio
dc.contributor.authorGallas Torreira, Abraham Antonio
dc.contributor.authorGarcía Pardiñas, Julián
dc.contributor.authorLemos Cid, Edgar
dc.contributor.authorLucio Martínez, Miriam
dc.contributor.authorMartínez Santos, Diego
dc.contributor.authorPlo Casasus, Máximo
dc.contributor.authorPrisciandaro, Jessica
dc.contributor.authorRamos Pernas, Miguel
dc.contributor.authorRomero Vidal, Antonio
dc.contributor.authorSaborido Silva, Juan José
dc.contributor.authorSanmartín Sedes, Brais
dc.contributor.authorSantamarina Ríos, Cibrán
dc.contributor.authorVázquez Regueiro, Pablo
dc.contributor.authorVieites Díaz, María
dc.contributor.authorVázquez Sierra, Carlos
dc.contributor.authorLHCb Collaboration
dc.date.accessioned2018-05-31T11:08:13Z
dc.date.available2018-05-31T11:08:13Z
dc.date.issued2017-10-13
dc.description.abstractA search for the decay K0S→μ+μ− is performed, based on a data sample of proton-proton collisions corresponding to an integrated luminosity of 3 fb −1 , collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV . The observed yield is consistent with the background-only hypothesis, yielding a limit on the branching fraction of BF(K0S→μ+μ−)<0.8 (1.0)×10−9 at 90% (95%) confidence level. This result improves the previous upper limit on the branching fraction by an order of magnitudegl
dc.description.peerreviewedSIgl
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); MOST and NSFC (China); CNRS/IN2P3 (France); BMBF, DFG and MPG (Germany); INFN (Italy); NWO (The Netherlands); MNiSW and NCN (Poland); MEN/IFA (Romania); MinES and FASO (Russia); MinECo (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); NSF (USA). We acknowledge the computing resources that are provided by CERN, IN2P3 (France), KIT and DESY (Germany), INFN (Italy), SURF (The Netherlands), PIC (Spain), GridPP (United Kingdom), RRCKI and Yandex LLC (Russia), CSCS (Switzerland), IFINHH (Romania), CBPF (Brazil), PL-GRID (Poland) and OSC (USA). We are indebted to the communities behind the multiple open source software packages on which we depend. Individual groups or members have received support from AvH Foundation (Germany), EPLANET, Marie Skłodowska-Curie Actions and ERC (European Union), Conseil Général de Haute-Savoie, Labex ENIGMASS and OCEVU, Région Auvergne (France), RFBR and Yandex LLC (Russia), GVA, XuntaGal and GENCAT (Spain), Herchel Smith Fund, The Royal Society, Royal Commission for the Exhibition of 1851 and the Leverhulme Trust (United Kingdom)gl
dc.identifier.citationAaij, R., Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., & Albrecht, J. et al. (2017). Improved limit on the branching fraction of the rare decay K0S→μ+μ−. The European Physical Journal C, 77(10). doi: 10.1140/epjc/s10052-017-5230-xgl
dc.identifier.doi10.1140/epjc/s10052-017-5230-x
dc.identifier.urihttp://hdl.handle.net/10347/16744
dc.language.isoenggl
dc.publisherSpringergl
dc.relation.publisherversionhttps://doi.org/10.1140/epjc/s10052-017-5230-x
dc.rights© CERN for the benefit of the LHCb collaboration 2017. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecomm ons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Funded by SCOAPgl
dc.rights.accessRightsopen accessgl
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectKaon physicsgl
dc.subjectFlavour physicsgl
dc.subjectParticle physicsgl
dc.subjectExperimental physicsgl
dc.subject.classificationMaterias::Investigación::22 Física::2208 Nucleónica::220807 Física de partículasgl
dc.titleImproved limit on the branching fraction of the rare decay K0S→μ+μ−gl
dc.typejournal articlegl
dc.type.hasVersionVoRgl
dspace.entity.typePublication
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