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dc.contributor.authorLHCb Collaboration
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 Albor, Víctor Manuel
dc.contributor.authorGallas Torreira, Abraham Antonio
dc.contributor.authorGarcía Pardiñas, Julián
dc.contributor.authorHernando Morata, José Ángel
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.date.accessioned2020-05-19T16:54:33Z
dc.date.available2020-05-19T16:54:33Z
dc.date.issued2016
dc.identifier.citationAaij, R., Adeva, B., Adinolfi, M. et al. Measurements of the S-wave fraction in B0 → K + π − μ + μ − decays and the B0 → K ∗(892)0 μ + μ − differential branching fraction. J. High Energ. Phys. 2016, 47 (2016). https://doi.org/10.1007/JHEP11(2016)047
dc.identifier.issn1029-8479
dc.identifier.urihttp://hdl.handle.net/10347/22440
dc.description.abstractA measurement of the differential branching fraction of the decay B 0 → K ∗(892)0 μ + μ − is presented together with a determination of the S-wave fraction of the K + π − system in the decay B 0 → K +π− μ + μ −. The analysis is based on pp-collision data corresponding to an integrated luminosity of 3 fb−1 collected with the LHCb experiment. The measurements are made in bins of the invariant mass squared of the dimuon system, q 2. Precise theoretical predictions for the differential branching fraction of B 0 → K ∗(892)0 μ + μ − decays are available for the q 2 region 1.1 < q 2 < 6.0 GeV2 /c 4. In this q 2 region, for the K +π− invariant mass range 796 < m Kπ < 996 MeV/c 2, the S-wave fraction of the K +π− system in B 0 → K +π− μ + μ − decays is found to be FS=0.101±0.017(stat)±0.009(syst), and the differential branching fraction of B 0 → K ∗(892)0 μ + μ − decays is determined to be dB/dq2=(0.392+0.020−0.019(stat)±0.010(syst)±0.027(norm))×10−7c4/GeV2. The differential branching fraction measurements presented are the most precise to date and are found to be in agreement with Standard Model predictions.
dc.language.isoeng
dc.publisherSpringer
dc.rights© CERN, for the bene t of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as 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.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectB physics
dc.subjectHadron-Hadron scattering (experiments)
dc.subjectRare decay
dc.titleMeasurements of the S-wave fraction in B0 → K + π − μ + μ − decays and the B0 → K ∗(892)0 μ + μ − differential branching fraction
dc.typejournal article
dc.identifier.doi10.1007/JHEP11(2016)047
dc.relation.publisherversionhttps://doi.org/10.1007/JHEP11(2016)047
dc.type.hasVersionVoR
dc.rights.accessRightsopen access
dc.contributor.affiliationUniversidade de Santiago de Compostela. Departamento de Física de Partículas
dc.contributor.affiliationUniversidade de Santiago de Compostela. Instituto Galego de Física de Altas Enerxías (IGFAE)
dc.description.peerreviewedSI


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© CERN, for the bene t of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as 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.
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 © CERN, for the bene t of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0), which permits use, duplication, adaptation, distribution, and reproduction in any medium or format, as long as 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.





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