Probing the muon $g-2$ with future beam dump experiments

Abstract

We consider the light $Z^{\prime }$ explanation of the muon $g-2$ anomaly. Even if such a $Z^{\prime }$ has no tree-level coupling to electrons, in general one will be induced at loop-level. We show that future beam dump experiments are powerful enough to place stringent constraints on$-$or discover$-$a $Z^{\prime }$ with loop-suppressed couplings to electrons. Such bounds are avoided only if the $Z^{\prime }$ has a large interaction with neutrinos, in which case the scenario will be bounded by ongoing neutrino scattering experiments. The complementarity between beam dump and neutrino scattering experiments therefore indicates that there are good prospects of probing a large part of the $Z^{\prime }$ parameter space in the near future.

arXiv comment18 pages, 6 figures

References in corpus (56)

• Final Report of the Muon E821 Anomalous Magnetic Moment Measurement at BNL
• The anomalous magnetic moment of the muon in the Standard Model
• Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm
• Leading hadronic contribution to the muon magnetic moment from lattice QCD
• Secluded U(1) below the weak scale
• A facility to Search for Hidden Particles at the CERN SPS: the SHiP physics case
• The muon $g-2$ and $\alpha (M_Z^2)$: a new data-based analysis
• Complete Tenth-Order QED Contribution to the Muon g-2
• Refinements in electroweak contributions to the muon anomalous magnetic moment
• Reevaluation of the hadronic vacuum polarisation contributions to the Standard Model predictions of the muon g-2 and alpha(mZ) using newest hadronic cross-section data
• Hadronic light-by-light scattering contribution to the muon anomalous magnetic moment revisited
• The $g-2$ of charged leptons, $\alpha (M_Z^2)$ and the hyperfine splitting of muonium
• Precision measurement of the 7Be solar neutrino interaction rate in Borexino
• Hadronic contribution to the muon anomalous magnetic moment to next-to-next-to-leading order
• Two-pion contribution to hadronic vacuum polarization
• The electroweak contributions to (g-2)_μ after the Higgs boson mass measurement
• Neutrino Trident Production: A Powerful Probe of New Physics with Neutrino Beams
• Remarks on higher-order hadronic corrections to the muon g-2
• Dispersion relation for hadronic light-by-light scattering: two-pion contributions
• The hadronic light-by-light scattering contribution to the muon anomalous magnetic moment from lattice QCD
• Three-pion contribution to hadronic vacuum polarization
• Dispersion relation for hadronic light-by-light scattering: pion pole
• Pseudoscalar-pole contribution to the $(g_{\mu }-2)$: a rational approach
• FASER: ForwArd Search ExpeRiment at the LHC
• Short-distance constraints for the HLbL contribution to the muon anomalous magnetic moment
• Lattice calculation of the pion transition form factor with $N_f=2+1$ Wilson quarks
• FASER's Physics Reach for Long-Lived Particles
• Hunting All the Hidden Photons
• Serendipity in dark photon searches
• Longitudinal short-distance constraints for the hadronic light-by-light contribution to $(g-2{)}_{\mu }$ with large-$N_c$ Regge models
• New Limits on Hidden Photons from Past Electron Beam Dumps
• Search for $A^{\prime }\to {\mu }^{+}{\mu }^{-}$ decays
• Searching for Long-lived Particles: A Compact Detector for Exotics at LHCb
• New Detectors to Explore the Lifetime Frontier
• Cosmology With a Very Light $L_{\mu }-L_{\tau }$ Gauge Boson
• Dark Sectors at the Fermilab SeaQuest Experiment
• Search for a muonic dark force at BABAR
• Refined Bounds on MeV-scale Thermal Dark Sectors from BBN and the CMB
• Lepton flavor violating Z' explanation of the muon anomalous magnetic moment
• Constraints on Dark Photon from Neutrino-Electron Scattering Experiments
• Supernova Muons: New Constraints on Z' Bosons, Axions, and ALPs
• Improved limits on a hypothetical X(16.7) boson and a dark photon decaying into $e^{+}{e}^{-}$ pairs
• Neutrino-Electron Scattering: General Constraints on Z' and Dark Photon Models
• Coherent Elastic Neutrino Nucleus Scattering (CE$\nu$NS) as a probe of $Z^{\prime }$ through kinetic and mass mixing effects
• The High-Energy Frontier of the Intensity Frontier: Closing the Dark Photon, Inelastic Dark Matter, and Muon g-2 Windows
• Detecting the $L_{\mu }-L_{\tau }$ gauge boson at Belle II
• Dark matter interactions with muons in neutron stars
• New Prospects in Fixed Target Searches for Dark Forces with the SeaQuest Experiment at Fermilab
• White Dwarfs constrain Dark Forces
• $Z^{\prime }$s in neutrino scattering at DUNE
• Dirac neutrinos and $N_{\mathrm{eff}}$ II: the freeze-in case
• Detecting Hidden Particles with MATHUSLA
• Sensitivity of the SHiP experiment to dark photons decaying to a pair of charged particles
• MUonE sensitivity to new physics explanations of the muon anomalous magnetic moment
• Searching for BSM neutrino interactions in dark matter detectors
• How dark is the ${\nu }_R$-philic dark photon?

Cited by in corpus (5)

• Solar neutrino physics
• New Searches for Muonphilic Particles at Proton Beam Dump Spectrometers
• Dark matter produced from neutrinos
• Anomalous and axial Z' contributions to g-2
• Neutrino forces and the Sommerfeld enhancement