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Albanese, R.; Alexandrov, A.; Alicante, F.; Battilana, C.; Bay, A.; Betancourt, C.; Castro, A. Blanco; Boccia, V.; Bonacorsi, D.; Bonivento, W. M.; Boyarsky, A.; Buontempo, S.; Camporesi, T.; Canale, V.; Castro, A.; Centanni, D.; Cerutti, F.; Cholak, S.; Climescu, M.; Conaboy, A. P.; Dallavalle, G. M.; de Bryas, P. T.; De Lellis, G.; De Rújula, A.; De Serio, M.; De Simone, D.; Donà, R.; Fabbri, F.; Fedotovs, F.; Ferro-Luzzi, M.; Fini, R. A.; Fresa, R.; Funk, W.; Walls, F. M. Garay; Golovatiuk, A.; Golutvin, A.; Graverini, E.; Guler, A. M.; Guliaeva, V.; Haefeli, G. J.; Hagner, C.; Herrera, J. C. Helo; van Herwijnen, E.; Iengo, P.; Ilieva, S.; Infantino, A.; Iuliano, A.; Kamiscioglu, C.; Kauniskangas, A. M.; Khalikov, E.; Kim, S. H.; Klioutchnikov, G.; Komatsu, M.; Konovalova, N.; Kuleshov, S.; Lacker, H. M.; Lantwin, O.; Lee, K. Y.; Lee, K. S.; Meo, S. Lo; Loschiavo, V. P.; Marcellini, S.; Margiotta, A.; Montesi, M. C.; Navarria, F. L.; Ogawa, S.; Pastore, A.; Perrotta, A.; Polukhina, N.; Ramos, S.; Reghunath, A.; Rovelli, T.; Ruf, T.; Sadykov, Z.; Samoilov, M.; Schmidt-Parzefall, W.; Sekhniaidze, G.; Serra, N.; Shaposhnikov, M.; Shevchenko, V.; Shchedrina, T.; Shibuya, H.; Simone, S.; Sirri, G.; Soares, G.; Sohn, J. Y.; Sandoval, O. J. Soto; Spurio, M.; Timiryasov, I.; Tioukov, V.; Tramontano, F.; Trippl, C.; Verguilov, V.; Leonardo, N. Viegas Guerreiro; Vilela, C.; Yaman, E.; Yazici, C.; Yoon, C. S.; Zaffaroni, E.; Saa, J. Zamora
The European physical journal. C, Particles and fields, 01/2024, Letnik: 84, Številka: 1Journal Article
The Scattering and Neutrino Detector at the LHC (SND@LHC) started taking data at the beginning of Run 3 of the LHC. The experiment is designed to perform measurements with neutrinos produced in proton-proton collisions at the LHC in an energy range between 100 GeV and 1 TeV. It covers a previously unexplored pseudo-rapidity range of 7.2 < η < 8.4 . The detector is located 480 m downstream of the ATLAS interaction point in the TI18 tunnel. It comprises a veto system, a target consisting of tungsten plates interleaved with nuclear emulsion and scintillating fiber (SciFi) trackers, followed by a muon detector (UpStream, US and DownStream, DS). In this article we report the measurement of the muon flux in three subdetectors: the emulsion, the SciFi trackers and the DownStream Muon detector. The muon flux per integrated luminosity through an 18 × 18 cm 2 area in the emulsion is: 1.5 ± 0.1 ( stat ) × 10 4 fb/cm 2 . The muon flux per integrated luminosity through a 31 × 31 cm 2 area in the centre of the SciFi is: 2.06 ± 0.01 ( stat ) ± 0.12 ( sys ) × 10 4 fb/cm 2 The muon flux per integrated luminosity through a 52 × 52 cm 2 area in the centre of the downstream muon system is: 2.35 ± 0.01 ( stat ) ± 0.10 ( sys ) × 10 4 fb/cm 2 The total relative uncertainty of the measurements by the electronic detectors is 6 % for the SciFi and 4 % for the DS measurement. The Monte Carlo simulation prediction of these fluxes is 20–25 % lower than the measured values.
