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Abraham, RM 
ORCID: 0000-0003-4678-3808, Anders, J ORCID: 0000-0002-1846-0262, Antel, C ORCID: 0000-0001-9683-0890, Ariga, A ORCID: 0000-0002-6832-2466, Ariga, T ORCID: 0000-0001-9880-3562, Atkinson, J ORCID: 0009-0003-3287-2196, Bernlochner, FU ORCID: 0000-0001-8153-2719, Boeckh, T ORCID: 0009-0000-7721-2114, Boyd, J ORCID: 0000-0001-7360-0726, Brenner, L ORCID: 0000-0001-5350-7081 et al (show 90 more authors) , Burger, A ORCID: 0000-0003-0685-4122, Cadoux, F, Cardella, R ORCID: 0000-0002-3117-7277, Casper, DW ORCID: 0000-0002-7618-1683, Cavanagh, C ORCID: 0009-0001-1146-5247, Chen, X ORCID: 0000-0003-4027-3305, Coccaro, A ORCID: 0000-0003-2368-4559, Débieux, S, D'Onofrio, M ORCID: 0000-0003-2408-5099, Desai, A ORCID: 0000-0002-5447-8304, Dmitrievsky, S ORCID: 0000-0003-4247-8697, Eley, S ORCID: 0009-0001-1320-2889, Favre, Y, Fellers, D ORCID: 0000-0002-0731-9562, Feng, JL ORCID: 0000-0002-7713-2138, Fenoglio, CA ORCID: 0009-0007-7567-8763, Ferrere, D ORCID: 0000-0002-5687-9240, Fieg, M ORCID: 0000-0002-7027-6921, Filali, W ORCID: 0009-0008-6961-2335, Fujimori, H ORCID: 0009-0002-5026-8497, Garabaglu, A ORCID: 0000-0002-8105-6027, Gibson, S ORCID: 0000-0002-1236-9249, Gonzalez-Sevilla, S ORCID: 0000-0003-4458-9403, Gornushkin, Y ORCID: 0000-0003-3524-4032, Gwilliam, C ORCID: 0000-0002-9401-5304, Hayakawa, D ORCID: 0000-0003-4253-4484, Hsu, SC ORCID: 0000-0001-6214-8500, Hu, Z ORCID: 0000-0001-8209-4343, Iacobucci, G ORCID: 0000-0001-9965-5442, Inada, T ORCID: 0000-0002-6923-9314, Iodice, L ORCID: 0000-0002-3516-7121, Jakobsen, S ORCID: 0000-0002-6564-040X, Joos, H ORCID: 0000-0003-4313-4255, Kajomovitz, E ORCID: 0000-0002-8464-1790, Kanai, T ORCID: 0009-0005-6840-4874, Kawahara, H ORCID: 0009-0007-5657-9954, Keyken, A ORCID: 0009-0001-4886-2924, Kling, F ORCID: 0000-0002-3100-6144, Köck, D ORCID: 0000-0002-9090-5502, Kontaxakis, P ORCID: 0000-0002-4860-5979, Kose, U ORCID: 0000-0001-5380-9354, Kotitsa, R ORCID: 0000-0002-7886-2685, Kuehn, S ORCID: 0000-0001-5270-0920, Kugathasan, T ORCID: 0000-0003-4631-5019, Lefebvre, H ORCID: 0000-0002-7394-2408, Levinson, L ORCID: 0000-0003-4679-0485, Li, K ORCID: 0000-0002-2545-0329, Liu, J ORCID: 0000-0001-6827-1729, Lutz, MS ORCID: 0000-0003-4515-0224, MacDonald, J ORCID: 0000-0002-3150-3124, Magliocca, C ORCID: 0009-0009-4927-9253, Martinelli, F ORCID: 0000-0003-4221-5862, McCoy, L ORCID: 0009-0009-2741-3220, McFayden, J ORCID: 0000-0001-9273-2564, Medina, AP ORCID: 0000-0002-1024-5605, Milanesio, M ORCID: 0000-0001-8778-9638, Moretti, T ORCID: 0000-0001-7065-1923, Munker, M ORCID: 0000-0003-2775-3291, Nakamura, M, Nakano, T, Neuhaus, F ORCID: 0000-0002-3819-2453, Nevay, L ORCID: 0000-0001-7225-9327, Nonaka, M ORCID: 0009-0002-9433-2462, Okui, K ORCID: 0009-0002-3001-5310, Ohashi, K ORCID: 0009-0000-9494-8457, Otono, H ORCID: 0000-0003-0760-5988, Pang, H ORCID: 0000-0002-1946-1769, Paolozzi, L ORCID: 0000-0002-9281-1972, Petersen, B ORCID: 0000-0002-7380-6123, Prim, M ORCID: 0000-0002-1407-7450, Queitsch-Maitland, M ORCID: 0000-0003-4643-515X, Rokujo, H ORCID: 0000-0002-3502-493X, Ruiz-Choliz, E ORCID: 0000-0002-2417-7121, Rubbia, A ORCID: 0000-0002-5747-1001, Sabater-Iglesias, J ORCID: 0000-0003-2328-1952, Sato, O ORCID: 0000-0002-6307-7019, Scampoli, P ORCID: 0000-0001-7500-2535, Schmieden, K ORCID: 0000-0003-1978-4928, Schott, M ORCID: 0000-0002-4235-7265, Sfyrla, A ORCID: 0000-0002-3003-9905, Shamim, M ORCID: 0009-0002-3986-399X, Shively, S ORCID: 0000-0002-4691-3767, Takubo, Y ORCID: 0000-0002-3143-8510, Tarannum, N ORCID: 0000-0002-3246-2686, Theiner, O ORCID: 0000-0002-6558-7311, Torrence, E ORCID: 0000-0003-2911-8910, Vasina, S ORCID: 0000-0003-2775-5721, Vormwald, B ORCID: 0000-0003-2607-7287, Wang, D ORCID: 0000-0002-0050-612X and Wang, Y ORCID: 0009-0004-1228-9849
(2024)
First Measurement of νe and νμ Interaction Cross Sections at the LHC with FASER's Emulsion Detector
Physical Review Letters, 133 (2).
021802-.
ISSN 0031-9007, 1079-7114
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Abstract
The first results of the study of high-energy electron neutrino (νe) and muon neutrino (νμ) charged-current interactions in the FASERν emulsion-tungsten detector of the FASER experiment at the LHC are presented. A 128.8 kg subset of the FASERν volume was analyzed after exposure to 9.5 fb-1 of s=13.6 TeV pp data. Four (eight) νe (νμ) interaction candidate events are observed with a statistical significance of 5.2σ (5.7σ). This is the first direct observation of νe interactions at a particle collider and includes the highest-energy νe and νμ ever detected from an artificial source. The interaction cross section per nucleon σ/Eν is measured over an energy range of 560-1740 GeV (520-1760 GeV) for νe (νμ) to be (1.2-0.7+0.8)×10-38 cm2 GeV-1 [(0.5±0.2)×10-38 cm2 GeV-1], consistent with standard model predictions. These are the first measurements of neutrino interaction cross sections in those energy ranges.
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