2 research outputs found
Observation of Collider Muon Neutrinos with the SND@LHC Experiment
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
ν
μ
interaction candidate events remain with an estimated background of 0.086 events, yielding a significance of about 7 standard deviations for the observed
ν
μ signal