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Observation of collider muon neutrinos with the SND@LHC experiment

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arxiv 2305.09383 v1 pith:O5WLKZOR submitted 2023-05-16 hep-ex physics.ins-det

The SND@LHC Collaboration This is my paper · ORCID
classification hep-exphysics.ins-det
keywords muoncolliderdetectoreventsinteractionneutrinoobservationactive
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We report the direct observation of muon neutrino interactions with the SND@LHC detector at the Large Hadron Collider. A data set of proton-proton collisions at $\sqrt{s} = 13.6\,$TeV collected by SND@LHC in 2022 is used, corresponding to an integrated luminosity of 36.8$\,\rm{fb}^{-1}$. The search is based on information from the active electronic components of the SND@LHC detector, which covers the pseudo-rapidity region of $7.2 < \eta < 8.4$, inaccessible to the other experiments at the collider. Muon neutrino candidates are identified through their charged-current interaction topology, with a track propagating through the entire length of the muon detector. After selection cuts, 8 $\nu_\mu$ interaction candidate events remain with an estimated background of 0.076 events, yielding a significance of seven standard deviations for the observed $\nu_\mu$ signal.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The LHC as a TeV Muon Beam Dump: Muonphilic Scalars at FASER

    hep-ph 2025-01 conditional novelty 6.0 of 10

    FASER and FASER2 could probe unconstrained muonphilic scalar masses below the dimuon threshold, including the (g-2)_mu favored region, using diphoton and muon-plus-diphoton signals.

  2. Neutrino-Portal Dark Matter Detection Prospects at a Future Muon Collider

    hep-ph 2024-12 conditional novelty 6.0 of 10

    A 10 kg forward neutrino detector at a 3 TeV muon collider could probe neutrinophilic scalar mediators down to couplings that reach thermal freeze-out and freeze-in dark matter relic targets.

  3. Neutrino Experiments at the Large Hadron Collider

    hep-ex 2025-01 accept novelty 2.0 of 10

    A review of LHC collider neutrino physics, covering FASER and SND@LHC results, present measurements, and future plans including the Forward Physics Facility.

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