Test of lepton flavour universality with $B^+ \to K^+\pi^+\pi^-\ell^+\ell^-$ decays
L3 Collaboration, R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta et autres
The first test of lepton flavor universality between muons and electrons using $B^+ \to K^+π^+π^-\ell^+\ell^-$ ($\ell=e,μ$) decays is presented. The measurement is performed with data from proton-proton collisions collected by the LHCb experiment at center-of-mass energies of 7, 8, and 13 TeV, …
fr (code pays fourni par la source)
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arXiv (Cornell University)