Test of lepton universality in b → sℓ+ ℓ- decays
The first simultaneous test of muon-electron universality using B+→K+ℓ+ℓ− and B0→K*0ℓ+ℓ− decays is performed, in two ranges of the dilepton invariant-mass squared, q2. The analysis uses beauty mesons produced in proton-proton collisions collected with the LHCb detector between 2011 and 2018, corresp...
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| Hauptverfasser: | , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
4 August 2023
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| In: |
Physical review letters
Year: 2023, Jahrgang: 131, Heft: 5, Pages: 1-13 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.131.051803 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.131.051803 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.131.051803 
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| Verfasserangaben: | R. Aaij et al. (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Test of lepton universality in b → sℓ+ ℓ- decays |c R. Aaij et al. (LHCb Collaboration) |
| 246 | 3 | 3 | |a Test of lepton universality in b → sl + l - decays |
| 246 | 3 | 3 | |a Test of lepton universality in b → sl plus l minus decays |
| 264 | 1 | |c 4 August 2023 | |
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| 500 | |a Veröffentlicht 2 August 2023 | ||
| 500 | |a Im Titel sind die Zeichen "+" und "-" hochgestellt | ||
| 500 | |a R. Aaij, S. Bachmann, M. Borsato, R. Caspary, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, B. Leverington, J. Marks, M.P. Morgenthaler, D.J. Unverzagt, U. Uwer, L. Witola, A. Zhelezov [und viele weitere] (LHCb Collaboration) | ||
| 500 | |a Gesehen am 11.12.2023 | ||
| 520 | |a The first simultaneous test of muon-electron universality using B+→K+ℓ+ℓ− and B0→K*0ℓ+ℓ− decays is performed, in two ranges of the dilepton invariant-mass squared, q2. The analysis uses beauty mesons produced in proton-proton collisions collected with the LHCb detector between 2011 and 2018, corresponding to an integrated luminosity of 9 fb−1. Each of the four lepton universality measurements reported is either the first in the given q2 interval or supersedes previous LHCb measurements. The results are compatible with the predictions of the Standard Model. | ||
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