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Final results of the search for νμ → νe oscillations with the OPERA detector in the CNGS beam


(OPERA Collaboration) Agafonova, N.; Aleksandrov, A.; Anokhina, A.; Aoki, S.; Ariga, A.; Ariga, T.; Bertolin, A.; Bozza, C.; Brugnera, R.; Buonaura, A. et al.
Final results of the search for νμ → νe oscillations with the OPERA detector in the CNGS beam // The Journal of high energy physics, 6 (2018), 151, 15 doi:10.1007/JHEP06(2018)151 (međunarodna recenzija, članak, znanstveni)


Naslov
Final results of the search for νμ → νe oscillations with the OPERA detector in the CNGS beam

Autori
Agafonova, N. ; Aleksandrov, A. ; Anokhina, A. ; Aoki, S. ; Ariga, A. ; Ariga, T. ; Bertolin, A. ; Bozza, C. ; Brugnera, R. ; Buonaura, A. ; Buontempo, S. ; Chernyavsky, M. ; Chukanov, A. ; Consiglio, L. ; D'Ambrosio, N. ; De Lellis, G. ; De Serio, M. ; del Amo Sanchez, P. ; Di Crescenzo, A. ; Di Ferdinando, D. ; Di Marco, N. ; Dmitrievski, S. ; Dracos, M. ; Duchesneau, D. ; Dusini, S. ; Dzhatdoev, T. ; Ebert, J. ; Ereditato, A. ; Favier, J. ; Fini, R. A. ; Fornari, F. ; Fukuda, T. ; Galati, G. ; Garfagnini, A. ; Gentile, V. ; Goldberg, J. ; Gornushkin, Y. ; Gorbunov, S. ; Grella, G. ; Guler, M. ; Gustavino, C. ; Hagner, C. ; Hara, T. ; Hayakawa, T. ; Hollnagel, A. ; Hosseini, B. ; Ishiguro, K. ; Iuliano, A. ; Jakovčić, Krešimir ; Jollet, C. ; Kamiscioglu, C. ; Kamiscioglu, M. ; Kim, S. H. ; Kitagawa, N. ; Kliček, Budimir ; Kodama, K. ; Komatsu, M. ; Kose, U. ; Kreslo, I. ; Laudisio, F. ; Lauria, A. ; Ljubičić, Ante ; Longhin, A. ; Loverre, P. ; Malgin, A. ; Malenica, Marko ; Mandrioli, G. ; Matsuo, T. ; Matveev, V. ; Mauri, N. ; Medinaceli, E. ; Meisel, F. ; Meregaglia, A. ; Mikado, S. ; Miyanishi, M. ; Mizutani, F. ; Monacelli, P. ; Montesi, M. C. ; Morishima, K. ; Muciaccia, M. T. ; Naganawa, N. ; Naka, T. ; Nakamura, M. ; Nakano, T. ; Niwa, K. ; Okateva, N. ; Ogawa, S. ; Ozaki, K. ; Paoloni, A. ; Paparella, L. ; Park, B. D. ; Pasqualini, L. ; Pastore, A. ; Patrizii, L. ; Pessard, H. ; Podgrudkov, D. ; Polukhina, N. ; Pozzato, M. ; Pupilli, F. ; Roda, M. ; Roganova, T. ; Rokujo, H. ; Rosa, G. ; Ryazhskaya, O. ; Sato, O. ; Schembri, A. ; Shakirianova, I. ; Shchedrina, T. ; Shibuya, H. ; Shibayama, E. ; Shiraishi, T. ; Simone, S. ; Sirignano, C. ; Sirri, G. ; Sotnikov, A. ; Spinetti, M. ; Stanco, L. ; Starkov, N. ; Stellacci, S. M. ; Stipčević, Mario ; Strolin, P. ; Takahashi, S. ; Tenti, M. ; Terranova, F. ; Tioukov, V. ; Vasina, S. ; Vilain, P. ; Voevodina, E. ; Votano, L. ; Vuilleumier, J. L. ; Wilquet, G. ; Yoon, C. S. ;

Kolaboracija
OPERA Collaboration

Izvornik
The Journal of high energy physics (1126-6708) 6 (2018); 151, 15

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Neutrino Detectors and Telescopes (experiments), Oscillation

Sažetak
The OPERA experiment has discovered the tau neutrino appearance in the CNGS muon neutrino beam, in agreement with the 3 neutrino flavour oscillation hypothesis. The OPERA neutrino interaction target, made of Emulsion Cloud Chambers, was particularly efficient in the reconstruction of electromagnetic showers. Moreover, thanks to the very high granularity of the emulsion films, showers induced by electrons can be distinguished from those induced by π0s, thus allowing the detection of charged current interactions of electron neutrinos. In this paper the results of the search for electron neutrino events using the full dataset are reported. An improved method for the electron neutrino energy estimation is exploited. Data are compatible with the 3 neutrino flavour mixing model expectations and are used to set limits on the oscillation parameters of the 3+1 neutrino mixing model, in which an additional mass eigenstate m4 is introduced. At high Δm_{; ; ; 41}; ; ; ^{; ; ; 2}; ; ; (≳0.1 eV^{; ; ; 2}; ; ; ), an upper limit on sin^{; ; ; 2}; ; ; (2θμe) is set to 0.021 at 90% C.L. and Δm_{; ; ; 41}; ; ; ^{; ; ; 2}; ; ; ≳ 4 × 10^{; ; ; − 3}; ; ; eV^{; ; ; 2}; ; ; is excluded for maximal mixing in appearance mode.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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