Constraints on the $U(1{)}_L$ gauge boson in a wide mass range

Abstract

There is a growing interest for the search of new light gauge bosons. The small mass of a new boson can turn various kinds of low-energy experiments to a new discovery machine, depending on their couplings to the standard model particles. It is important to understand the properties of each type of gauge boson and their current constraints for a given mass. While the dark photon (which couples to the electric charges) and the $U(1{)}_{B-L}$ gauge boson have been well studied in an extensive mass range, the $U(1{)}_L$ gauge boson has not been fully investigated yet. We consider the gauge boson of the $U(1{)}_L$ in a wide mass range $m_{Z'} \approx 0 - 10^{12} ~\ev$ and investigate the constraints on its coupling from various experiments, discussing the similarities and differences from the dark photon and the $U(1{)}_{B-L}$ gauge boson.

11 pages, 9 figures

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Cited by in corpus (21)

• Hunting All the Hidden Photons
• Particle Physics Models for the 17 MeV Anomaly in Beryllium Nuclear Decays
• Dark forces coupled to non-conserved currents
• Self-interacting dark matter and muon $g-2$ in a gauged U$(1{)}_{L_{\mu }-L_{\tau }}$ model
• Searches for Decays of New Particles in the DUNE Multi-Purpose Near Detector
• Light Weakly Coupled Axial Forces: Models, Constraints, and Projections
• Right-handed neutrino dark matter under the B-L gauge interaction
• Understanding the MiniBooNE and the muon and electron $g-2$ anomalies with a light $Z^{\prime }$ and a second Higgs doublet
• Leptophilic dark matter from gauged lepton number: Phenomenology and gravitational wave signatures
• Constraining the CP structure of Higgs-fermion couplings with a global LHC fit, the electron EDM and baryogenesis
• Search for dark sector physics with NA64
• Coherent Elastic Neutrino-Nucleus Scattering with directional detectors
• Asymmetric Dark Matter Bound State
• Anomalous $Z^{\prime }$ and Diboson Resonances at the LHC
• Mini Force: the (B-L) + xY gauge interaction with a light mediator
• Cosmological Bounds on sub-GeV Dark Vector Bosons from Electromagnetic Energy Injection
• $(g-2{)}_{\mu }$ Versus Flavor Changing Neutral Current Induced by the Light $(B-L{)}_{\mu \tau }$ Boson
• Gauge see-saw: A mechanism for a light gauge boson
• Baryonic and Leptonic GeV Dark Matter
• Study of Gauged Lepton Symmetry Signatures at Colliders
• Dark photon pair production via off-shell dark Higgs at FASER