Constraining minimal anomaly free $\mathrm{U}(1)$ extensions of the Standard Model

Abstract

We consider a class of minimal anomaly free $\mathrm{U}(1)$ extensions of the Standard Model with three generations of right-handed neutrinos and a complex scalar. Using electroweak precision constraints, new 13 TeV LHC data, and considering theoretical limitations such as perturbativity, we show that it is possible to constrain a wide class of models. By classifying these models with a single parameter, $\kappa$, we can put a model independent upper bound on the new $\mathrm{U}(1)$ gauge coupling $g_z$. We find that the new dilepton data puts strong bounds on the parameters, especially in the mass region $M_{Z^{\prime }}\lesssim 3\mathrm{TeV}$.

23 pages, 4 figures. Modified model parametrization, exclusion limits with new data

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• Non-standard neutrino interactions in $U(1{)}^{\prime }$ model after COHERENT data
• Identifying WIMP dark matter from particle and astroparticle data
• Dark matter in Hidden Valley models with stable and unstable light dark mesons
• A reappraisal of constraints on $Z^{\prime }$ models from unitarity and direct searches at the LHC
• Hunting the dark Higgs
• Constraining a general U(1)${}^{\prime }$ inverse seesaw model from vacuum stability, dark matter and collider
• Collider Searches for Dark Matter through the Higgs Lens
• Constraining general U(1) interactions from neutrino-electron scattering measurements at DUNE near detector
• Minimal realization of right-handed gauge symmetry
• Minimal anomalous $\mathrm{U}(1)$ theories and collider phenomenology
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• Neutrino and $Z^{\prime }$ phenomenology in an anomaly-free $\mathbf{U}(1)$ extension: role of higher-dimensional operators
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• Phenomenology of the gauge symmetry for right-handed fermions
• Search for the $Z^{\prime }$ boson decaying to a right-handed neutrino pair in leptophobic $\mathrm{U}(1)$ models
• Energizing gamma ray bursts via $Z^{\prime }$ mediated neutrino heating
• Strong Constraints on Dark Photon and Scalar Dark Matter Decay from INTEGRAL and AMS-02 data
• Pinning down the leptophobic $Z^{\prime }$ in leptonic final states with Deep Learning
• The E6 route to multicomponent dark matter
• Leptogenesis in an anomaly-free $\mathrm{U}(1)$ extension with higher-dimensional operators