Search for the lepton-flavour violating decays B 0 → K *0 τ ± μ ∓
A first search for the lepton-flavour violating decays B0 → K∗0 τ ±µ ∓ is presented. The analysis is performed using a sample of proton-proton collision data, collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and 2018, corresponding to an integrated luminos...
| Autores: | , , , , , , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2023 |
| País: | España |
| Institución: | Universidad de Barcelona |
| Repositorio: | Dipòsit Digital de la UB |
| OAI Identifier: | oai:diposit.ub.edu:2445/221429 |
| Acceso en línea: | https://hdl.handle.net/2445/221429 |
| Access Level: | acceso abierto |
| Palabra clave: | Física de partícules Hadrons Model estàndard (Física nuclear) Particle physics Standard model (Nuclear physics) |
| Sumario: | A first search for the lepton-flavour violating decays B0 → K∗0 τ ±µ ∓ is presented. The analysis is performed using a sample of proton-proton collision data, collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and 2018, corresponding to an integrated luminosity of 9 fb−1 . No significant signal is observed, and upper limits on the branching fractions are determined to be B(B0 → K∗0 τ +µ −) < 1.0 (1.2) × 10−5 and B(B0 → K∗0 τ −µ +) < 8.2 (9.8) × 10−6 at the 90% (95%) confidence level. |
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