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- Title
Search for the lepton-flavour violating decays B<sup>0</sup>→ K<sup>*0</sup>τ<sup>±</sup>μ<sup>∓</sup>.
- Authors
Aaij, R.; Abdelmotteleb, A. S. W.; Abellan Beteta, C.; Abudinén, F.; Ackernley, T.; Adeva, B.; Adinolfi, M.; Afsharnia, H.; Agapopoulou, C.; Aidala, C. A.; Aiola, S.; Ajaltouni, Z.; Akar, S.; Akiba, K.; Albrecht, J.; Alessio, F.; Alexander, M.; Alfonso Albero, A.; Aliouche, Z.; Alvarez Cartelle, P.
- Abstract
A first search for the lepton-flavour violating decays B0 → K*0τ±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 B 0 → K ∗ 0 τ + μ − < 1.0 1.2 × 10 − 5 and B B 0 → K ∗ 0 τ − μ + < 8.2 9.8 × 10 − 6 at the 90% (95%) confidence level.
- Subjects
PROTON-proton interactions; HADRON-hadron scattering; STANDARD model (Nuclear physics); LUMINOSITY; DETECTORS
- Publication
Journal of High Energy Physics, 2023, Vol 2023, Issue 6, p1
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP06(2023)143