Real time data quality monitor and test beam for the SND@LHC experiment

The use of the Large Hadron Collider as a neutrino factory was conceived about 30 years ago and it is a reality since very few years. SND@LHC is a compact, standalone experiment located in the TI18 tunnel (480 m downstream of the ATLAS interaction point) and it allows for the identification of all three flavors of neutrino interactions in the pseudorapidity region 7.2 < η < 8.4 with an unexplored energy range of 100 GeV < E < 1 TeV. In this work I developed a Real Time Data Quality Monitor for the SND@LHC electronic detector, allowing for an immediate evaluation of the collected data. This multi-threaded Python software was extensively used during a test beam in July-August 2023. Moreover, I describe my contribution to a preliminary analysis of the test beam data, covering muons and pions with several energies between 100 GeV and 300 GeV.