Non-standard Neutrino and $Z^{\prime }$ Interactions at the FASER$\nu$ and the LHC

Abstract

We study the impact of non-standard neutrino interactions in the context of a new gauge boson $Z^{\prime }$ in neutral-current deep-inelastic scattering performed in ForwArd Search ExpeRiment-$\nu$ (FASER$\nu$) and in monojet production at the Large Hadron Collider (LHC). We simulate the neutral-current deep-inelastic neutrino-nucleon scattering $\nu N\to \nu N$ at FASER$\nu$ in the presence of an additional $Z^{\prime }$ boson, and estimate the anticipated sensitivities to the gauge coupling in a wide range of $Z^{\prime }$ mass. At the LHC, we study the effect of $Z^{\prime }$ on monojet production, which can be enhanced in regions with large missing transverse momenta. We then use the recent results from ATLAS with an integrated luminosity of 139 fb${}^{-1}$ to improve the limits on the gauge coupling of $Z^{\prime }$. We interpret such limits on $Z^{\prime }$ gauge couplings as bounds on effective non-standard neutrino interactions. We show that the FASER$\nu$ and the LHC results cover the medium and high energy scales, respectively, and complement one another.

22 pages, 7 figures

References in corpus (13)

• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
• An Introduction to PYTHIA 8.2
• Neutrino Trident Production: A Powerful Probe of New Physics with Neutrino Beams
• Explaining Dark Matter and $B$ Decay Anomalies with an $L_{\mu }-L_{\tau }$ Model
• Measurement of the multi-TeV neutrino cross section with IceCube using Earth absorption
• COHERENT constraints on nonstandard neutrino interactions
• New weakly-coupled forces hidden in low-energy QCD
• Constraints on light vector mediators through coherent elastic neutrino nucleus scattering data from COHERENT
• Neutral Current Neutrino Interactions at FASER$\nu$
• EFT at FASER$\nu$
• Probing Light Gauge Bosons in Tau Neutrino Experiments
• Neutrino beam-dump experiment with FASER at the LHC
• Discovery potential of FASER$\nu$ with contained vertex and through-going events

Cited by in corpus (9)

• Investigating the fluxes and physics potential of LHC neutrino experiments
• Search for a light muon-philic $Z^{\prime }$ with the NA64-$e$ experiment at CERN
• Non-standard neutrino interactions in light mediator models at reactor experiments
• Probing for chiral $Z^{\prime }$ gauge boson through scattering measurement experiments
• Combined constraints on dark photons and discovery prospects at the LHC and the Forward Physics Facility
• Neutrino Detection without Neutrino Detectors: Discovering Collider Neutrinos at FASER with Electronic Signals Only
• Leptoquark search at the Forward Physics Facility
• Sensitivities on dark photon from the Forward Physics Experiments
• Neutrino nonstandard interactions: Confronting COHERENT and LHC data