Search for lepton-flavor violating decays B+ ->K+ [mu]+-e-+
A search for the lepton-flavor violating decays B+→K+μ±e∓ is performed using a sample of proton-proton collision data, collected with the LHCb experiment at center-of-mass energies of 7 and 8 TeV and corresponding to an integrated luminosity of 3 fb−1. No significant signal is observed, and upper li...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
12 December 2019
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| In: |
Physical review letters
Year: 2019, Jahrgang: 123, Heft: 24 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.123.241802 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.123.241802 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.123.241802 
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| Verfasserangaben: | R. Aaij et al. (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Search for lepton-flavor violating decays B+ ->K+ [mu]+-e-+ |c R. Aaij et al. (LHCb Collaboration) |
| 246 | 3 | 3 | |a Search for lepton-flavor violating decays B plus into K plus mu plus minus e minus plus |
| 264 | 1 | |c 12 December 2019 | |
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| 500 | |a LHCb Collaboration: R. Aaij, F. Archilli, P. D'Argent, S. Bachmann, S. Braun, A. Comerma-Montells, M. Dziewiecki, D. Gerick, J. Grabowski, X. Han, S. Hansmann-Menzemer, J. Hu, M. Kecke, M. Kolpin, R. Kopecná, B. Leverington, H. Malygina, J. Marks, D. Mitzel, S. Neubert, A. Piucci, M. Schmelling, N. Skidmore, S. Stemmle, U. Uwe [und viele weitere] | ||
| 500 | |a Gesehen am 05.05.2020 | ||
| 500 | |a Im Titel sind "+" und "±" und "minus plus" hochgestellt | ||
| 520 | |a A search for the lepton-flavor violating decays B+→K+μ±e∓ is performed using a sample of proton-proton collision data, collected with the LHCb experiment at center-of-mass energies of 7 and 8 TeV and corresponding to an integrated luminosity of 3 fb−1. No significant signal is observed, and upper limits on the branching fractions are set as B(B+→K+μ−e+)<7.0(9.5)×10−9 and B(B+→K+μ+e−)<6.4(8.8)×10−9 at 90% (95)% confidence level. The results improve the current best limits on these decays by more than one order of magnitude. | ||
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