Observation of Collider Muon Neutrinos with the SND@LHC Experiment

(SND@LHC Collaboration)

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15 Citations (Scopus)


We report the direct observation of muon neutrino interactions with the SND@LHC detector at the Large Hadron Collider. A dataset of proton-proton collisions at s=13.6 TeV collected by SND@LHC in 2022 is used, corresponding to an integrated luminosity of 36.8 fb-1. The search is based on information from the active electronic components of the SND@LHC detector, which covers the pseudorapidity region of 7.2<η<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 νμ interaction candidate events remain with an estimated background of 0.086 events, yielding a significance of about 7 standard deviations for the observed νμ signal.

Original languageEnglish
Article number031802
JournalPhysical Review Letters
Issue number3
Publication statusPublished - 21 Jul 2023

ASJC Scopus subject areas

  • General Physics and Astronomy


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