## Experimental status of LNU in B decays in LHCb

Sean Benson on behalf of the LHCb collaboration

SciPost Phys. Proc. 1, 011 (2019) · published 19 February 2019

### Proceedings event

The 15th International Workshop on Tau Lepton Physics

### Abstract

In the Standard Model, the three charged leptons are identical copies of each other, apart from mass differences. Experimental tests of this feature in semileptonic decays of b-hadrons are highly sensitive to New Physics particles which preferentially couple to the 2nd and 3rd generations of leptons. A review of the latest lepton universality tests in semileptonic $b\to c$ transitions at LHCb is reported.

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