Results and Perspectives from the First Two Years of Neutrino Physics at the LHC by the SND@LHC Experiment

the SND@LHC Collaboration

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Resumen

After rapid approval and installation, the SND@LHC Collaboration was able to gather data successfully in 2022 and 2023. Neutrino interactions from νμs originating at the LHC IP1 were observed. Since muons constitute the major background for neutrino interactions, the muon flux entering the acceptance was also measured. To improve the rejection power of the detector and to increase the fiducial volume, a third Veto plane was recently installed. The energy resolution of the calorimeter system was measured in a test beam. This will help with the identification of νe interactions that can be used to probe charm production in the pseudo-rapidity range of SND@LHC (7.2 < η < 8.4). Events with three outgoing muons have been observed and are being studied. With no vertex in the target, these events are very likely from muon trident production in the rock before the detector. Events with a vertex in the detector could be from trident production, photon conversion, or positron annihilation. To enhance SND@LHC’s physics case, an upgrade is planned for HL-LHC that will increase the statistics and reduce the systematics. The installation of a magnet will allow the separation of νμ from (Formula presented.).

Idioma originalInglés
Número de artículo702
PublicaciónSymmetry
Volumen16
N.º6
DOI
EstadoPublicada - jun. 2024

Áreas temáticas de ASJC Scopus

  • Informática (miscelánea)
  • Química (miscelánea)
  • Matemáticas General
  • Física y astronomía (miscelánea)

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