Muon g-2, B → K(*) μ+μ- anomalies, and leptophilic dark matter in U(1)μ-τ gauge symmetry

We propose a new class of U(1)(mu-tau) gauged model that can explain recent flavor anomalies such as muon g - 2, b -> s mu(+)mu(-), as well as include a scalar dark matter candidate while satisfying all the phenomenological constraints. For this purpose, we add new vectorlike quarks and leptons as well as two inert singlet scalars, one leptophilic and the other leptophobic. In our model b -> s mu(+)mu(-) anomalies can be explained by loop induced interactions among the SM, exotic quarks, and Z' gauge boson. In our numerical analysis, we show allowed region of our model to be narrow, and it would be tested soon, for example by searching for 4 muons and dimuon + missing transverse momentum from pp -> mu(+)mu(-)Z' and pp -> nu(mu,tau)(nu) over bar (mu,tau)Z' followed by Z' -> mu(+)mu(-), nu(mu,tau)(nu) over bar (mu,tau) at the LHC.

Automated summary

We propose a new U(1)(mu-tau) gauged model that can explain recent flavor anomalies and include a scalar dark matter candidate. In our model, the b -> s mu(+)mu(-) anomalies can be explained by loop-induced interactions among the standard model, exotic quarks, and Z' gauge boson. Our numerical analysis shows that the allowed region of our model is narrow and can be tested soon by searching for specific particle decay processes at the LHC.