Evidence for the decay B0S→K¯∗0μ+μ−
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Título: | Evidence for the decay B0S→K¯∗0μ+μ− |
Autor/a: | LHCb Collaboration Adeva Andany, Bernardo Boente García, Óscar Chobanova, Veronika Cid Vidal, Xabier Dosil Suárez, Álvaro Fernández Prieto, Antonio Gallas Torreira, Abraham Antonio García Plana, Beatriz Lucio Martínez, Miriam Martínez Santos, Diego Plo Casasus, Máximo Prisciandaro, James J. Ramos Pernas, Miguel Romero Vidal, Antonio Saborido Silva, Juan José Sanmartín Sedes, Brais Santamarina Ríos, Cibrán Vázquez Regueiro, Pablo Vieites Díaz, María |
Centro/Departamento: | Universidade de Santiago de Compostela. Departamento de Física de Partículas Universidade de Santiago de Compostela. Instituto Galego de Física de Altas Enerxías (IGFAE) |
Palabras chave: | B physics | FCNC Interaction | Flavor physics | Hadron-Hadron scattering (experiments) | Rare decay | |
Data: | 2018 |
Editor: | Springer |
Cita bibliográfica: | Aaij, R., Adeva, B., Adinolfi, M. et al. Evidence for the decay B0S→K¯∗0μ+μ−. J. High Energ. Phys. 2018, 20 (2018). https://doi.org/10.1007/JHEP07(2018)020 |
Resumo: | A search for the decay B0S→K¯∗0μ+μ− is presented using data sets corresponding to 1.0, 2.0 and 1.6 fb−1 of integrated luminosity collected during pp collisions with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, respectively. An excess is found over the background-only hypothesis with a significance of 3.4 standard deviations. The branching fraction of the B0S→K¯∗0μ+μ− decay is determined to be B(B0s→K¯∗0μ+μ−)=[2.9±1.0(stat)±0.2(syst)±0.3(norm)]×10−8, where the first and second uncertainties are statistical and systematic, respectively. The third uncertainty is due to limited knowledge of external parameters used to normalise the branching fraction measurement. |
Versión do editor: | https://doi.org/10.1007/JHEP07(2018)020 |
URI: | http://hdl.handle.net/10347/22219 |
DOI: | 10.1007/JHEP07(2018)020 |
ISSN: | 1029-8479 |
Dereitos: | © CERN, for the benefit of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. |
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© CERN, for the benefit of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
© CERN, for the benefit of the LHCb Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.