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Testing lepton universality in penguin decays of beauty mesons using the LHCb detector
Lepton flavour universality is tested by measuring the ratio of branching fractions of $B^+\rightarrow K^+\mu^+\mu^-$ and $B^+\rightarrow K^+ e^+e^-$ decays, $R_K$. The measurement is performed in the di-lepton mass squared region $1.1< q^{2} < 6.0 \, \textrm{GeV}^{2}$, using approximately $...
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| Lenguaje: | eng |
| Publicado: |
2019
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| Acceso en línea: | http://cds.cern.ch/record/2675308 |