Abstract
In the Standard Model the electroweak coupling of the gauge bosons to leptons is independent of the lepton flavour. Semileptonic and rare decays of b quarks provide an ideal laboratory to test this property. Any violation of Lepton Flavour Universality would be a clear sign of physics beyond the Standard Model. In this work a review of the Lepton Flavour Universality tests performed using data collected by the LHCb experiment in 2011 and 2012 at a centre of mass energy of 7 and 8 TeV is presented.
Highlights
Lepton Flavour Universality (LFU) implies the equality of the coupling between the gauge bosons and the three families of leptons
LFU is a Standard Model (SM) property by construction and any violation would be a clear sign of New Physics
Semileptonic decays of b hadrons to the third generation provide a sensitive probe for such effects
Summary
Anna Lupato (On Behalf of the LHCb Collaboration) University of Padua, Galileo Galilei. In the Standard Model the electroweak coupling of the gauge bosons to leptons is independent of the lepton flavour. Semileptonic and rare decays of b quarks provide an ideal laboratory to test this property. Any violation of Lepton Flavour Universality would be a clear sign of physics beyond the Standard Model. In this work a review of the Lepton Flavour Universality tests performed using data collected by the LHCb experiment in 2011 and 2012 at a centre of mass energy of 7 and 8 TeV is presented
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