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Predictions for Lepton Flavor Universality Violation in Rare B Decays in Models with Gauged $L_\mu - L_\tau$
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A recent proposal for explaining discrepancies in angular observables in the rare decay B --> K*mu+mu- with a gauged L_mu - L_tau current carried with it the prediction of lepton flavor universality violation in related B-meson decays. This prediction gained empirical support with a subsequent hint for lepton flavor universality violation in the B --> K l+l- decay by LHCb. In this short paper we fully quantify the prediction including the associated uncertainties. We also provide new predictions for a variety of additional observables sensitive to lepton flavor universality violation in B-meson decays.
Forward citations
Cited by 3 Pith papers
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Gauging the accidental symmetries of the Standard Model, and implications for the flavour anomalies
Gauging an almost arbitrary combination of baryon number, lepton numbers and hypercharge, with three new singlet fermions, yields a Z' framework that can explain the B decay flavour anomalies with a universal axial co...
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Gauged $U(1)_{L_\mu-L_\tau}$ Scotogenic Model in light of $R_{K^{(*)}}$ Anomaly and AMS-02 Positron Excess
A gauged U(1)_{L_mu-L_tau} scotogenic model can simultaneously accommodate the R_K(*) anomaly and the AMS-02 positron excess, at the cost of tuned benchmark parameters and marginal agreement with CMB and gamma-ray con...
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Associated $Z^\prime$ production in the flavorful $U(1)$ scenario for $R_{K^{(*)}}$
A flavorful Z' model for the B-meson anomalies predicts discoverable associated-production signatures at the HL-LHC: dimuon + b-jets for M_Z' up to ~500 GeV and tri-muon + missing energy for larger muon couplings.
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