CERN Accelerating science

Article
Report number CERN-OPEN-2024-003
Title Results and perspectives from the first two years of neutrino physics at the LHC by the SND@LHC experiment
Author(s)

Abbaneo, D. (CERN) ; Ahmad, S. ; Albanese, R. ; Alexandrov, A. ; Alicante, F. ; Androsov, K. ; Anokhina, A. ; Asada, T. ; Asawatangtrakuldee, C. ; Torres, M.A. Ayala ; Battilana, C. ; Bay, A. ; Bertocco, A. ; Betancourt, C. ; Bick, D. ; Biswas, R. ; Castro, A. Blanco ; Boccia, V. ; Bogomilov, M. ; Bonacorsi, D. ; Bonivento, W.M. ; Bordalo, P. ; Boyarsky, A. ; Buontempo, S. ; Campanelli, M. ; Camporesi, T. ; Canale, V. ; Castro, A. ; Centanni, D. ; Cerutti, F. ; Chernyavskiy, M. ; Choi, K.-Y. ; Cholak, S. ; Cindolo, F. ; Climescu, M. ; Conaboy, A.P. ; Dallavalle, G.M. ; Davino, D. ; de Bryas, P.T. ; De Lellis, G. ; De Magistris, M. ; De Roeck, A. ; De Rújula, A. ; De Serio, M. ; De Simone, D. ; Di Crescenzo, A. ; Di Ferdinando, D. ; Donà, R. ; Durhan, O. ; Fabbri, F. ; Fedotovs, F. ; Ferrillo, M. ; Ferro-Luzzi, M. ; Fini, R.A. ; Fiorillo, 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. ; Jacobsson, R. ; Kamiscioglu, C. ; Kauniskangas, A.M. ; Khalikov, E. ; Kim, S.H. ; Kim, Y.G. ; Klioutchnikov, G. ; Komatsu, M. ; Konovalova, N. ; Kuleshov, S. ; Krzempek, L. ; Lacker, H.M. ; Lantwin, O. ; Manghi, F. Lasagni ; Lauria, A. ; Lee, K.Y. ; Lee, K.S. ; Meo, S. Lo ; Loschiavo, V.P. ; Marcellini, S. ; Margiotta, A. ; Mascellani, A. ; Mei, F. ; Miano, A. ; Mikulenko, A. ; Montesi, M.C. ; Navarria, F.L. ; Nuntiyakul, W. ; Ogawa, S. ; Okateva, N. ; Ovchynnikov, M. ; Paggi, G. ; Park, B.D. ; Pastore, A. ; Perrotta, A. ; Podgrudkov, D. ; Polukhina, N. ; Prota, A. ; Quercia, A. ; Ramos, S. ; Reghunath, A. ; Roganova, T. ; Ronchetti, F. ; Rovelli, T. ; Ruchayskiy, O. ; Ruf, T. ; Gilarte, M. Sabate ; Sadykov, Z. ; Samoilov, M. ; Scalera, V. ; Schmidt-Parzefall, W. ; Schneider, O. ; Sekhniaidze, G. ; Serra, N. ; Shaposhnikov, M. ; Shevchenko, V. ; Shchedrina, T. ; Shchutska, L. ; Shibuya, H. ; Simone, S. ; Siroli, G.P. ; Sirri, G. ; Soares, G. ; Sohn, J.Y. ; Sandoval, O.J. Soto ; Spurio, M. ; Starkov, N. ; Steggemann, J. ; Timiryasov, I. ; Tioukov, V. ; Tramontano, F. ; Trippl, C. ; Ursov, E. ; Ustyuzhanin, A. ; Vankova-Kirilova, G. ; Vasquez, G. ; Verguilov, V. ; Leonardo, N. Viegas Guerreiro ; Vilela, C. ; Visone, C. ; Wanke, R. ; Yaman, E. ; Yang, Z. ; Yazici, C. ; Yoon, C.S. ; Zaffaroni, E. ; Saa, J. Zamora

Publication 2024
Imprint 29 Feb 2024
Number of pages 13
In: Symmetry 16 (2024) 702
DOI 10.3390/sym16060702
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; SND@LHC
Free keywords SND@LHC ; Scattering Neutrino Detector ; neutrino ; neutrino interactions ; charged current ; neutral current ; LHC ; muon flux ; muon trident ; advsnd
Abstract After a rapid approval and installation, the SND@LHC Collaboration was able to take data successfully in 2022 and 2023. Neutrino interactions from $\nu_{\mu}$s 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 $\nu_{\mathrm{e}}$ interactions that can be used to probe charm production in the pseudo-rapidity range of \SND ($7.2 < \eta < 8.4$). Muon trident events have also been observed in the target. To enhance \SND'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 $\neum$ from $\overline{\nu}_\mu$.
Copyright/License publication: © 2024 the authors (License: CC BY 4.0)

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