PoS - Proceedings of Science
Volume 445 - 21st Conference on Flavor Physics and CP Violation (FPCP2023) - Parallel session B
A new Scattering and Neutrino Detector at the LHC (SND@LHC)
D. Centanni*  on behalf of the SND@LHC Collaboration
Full text: pdf
Pre-published on: October 16, 2023
Published on: November 14, 2023
The Scattering and Neutrino Detector (SND@LHC) is a compact and stand-alone experiment to perform measurements with neutrinos produced at the LHC in a hitherto unexplored pseudo-rapidity region of $7.2\, <\, \eta \,<\, 8.4$, complementary to all the other experiments at the LHC. The experiment is located 480 m downstream of IP1 in the unused TI18 tunnel. The detector is composed of a hybrid system based on a 800 kg target mass of tungsten plates, interleaved with emulsion and electronic trackers, followed downstream by a calorimeter and a muon system. The configuration allows efficiently distinguishing between all three neutrino flavours, opening a unique opportunity to probe physics of heavy flavour production at the LHC in the region that is not accessible to ATLAS, CMS and LHCb. This region is of particular interest also for future circular colliders and for predictions of very high-energy atmospheric neutrinos. The physics programme includes studies of charm production, and lepton universality tests in the neutral sector. The detector concept is also well suited to searching for Feebly Interacting Particles via signatures of scattering in the detector target. The first phase aims at operating the detector throughout LHC Run 3 to collect a total of 250 $\mbox{fb}^{-1}$. We report the results from the data taken in 2022, namely the measurement of the muon flux at TI18 and the observation of muon neutrino interactions.

DOI: https://doi.org/10.22323/1.445.0072
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