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Search for νμ → νe oscillations with the OPERA experiment in the CNGS beam

  • N. Agafonova
  • , A. Aleksandrov
  • , A. Anokhina
  • , S. Aoki
  • , A. Ariga
  • , T. Ariga
  • , D. Autiero
  • , A. Badertscher
  • , A. Ben Dhahbi
  • , A. Bertolin
  • , C. Bozza
  • , R. Brugnera
  • , F. Brunet
  • , G. Brunetti
  • , B. Buettner
  • , S. Buontempo
  • , L. Chaussard
  • , M. Chernyavsky
  • , V. Chiarella
  • , A. Chukanov
  • L. Consiglio, N. D'Ambrosio, G. De Lellis, M. De Serio, P. Del Amo Sanchez, A. Di Crescenzo, D. Di Ferdinando, N. Di Marco, S. Dmitrievsky, M. Dracos, D. Duchesneau, S. Dusini, T. Dzhatdoev, J. Ebert, A. Ereditato, T. Ferber, R. A. Fini, T. Fukuda, A. Garfagnini, G. Giacomelli, C. Goellnitz, J. Goldberg, Y. Gornushkin, G. Grella, F. Grianti, A. M. Guler, C. Gustavino, C. Hagner, K. Hamada, T. Hara, M. Hierholzer, A. Hollnagel, B. Hosseini, H. Ishida, K. Ishiguro, K. Jakovcic, C. Jollet, F. Juget, C. Kamiscioglu, M. Kamiscioglu, J. Kawada, J. H. Kim, S. H. Kim, M. Kimura, N. Kitagawa, B. Klicek, K. Kodama, M. Komatsu, U. Kose, I. Kreslo, A. Lauria, J. Lenkeit, A. Ljubicic, A. Longhin, P. Loverre, A. Malgin, C. Mancini-Terracciano, G. Mandrioli, J. Marteau, T. Matsuo, V. Matveev, N. Mauri, E. Medinaceli, F. W. Meisel, A. Meregaglia, P. Migliozzi, S. Mikado, A. Minotti, P. Monacelli, M. C. Montesi, K. Morishima, M. T. Muciaccia, M. Nakamura, T. Nakano, Y. Nakatsuka, D. Naumov, K. Niwa, S. Ogawa, N. Okateva, A. Olchevsky, T. Omura, K. Ozaki, A. Paoloni, B. D. Park, I. G. Park, A. Pastore, L. Patrizii, E. Pennacchio, H. Pessard, C. Pistillo, D. Podgrudkov, N. Polukhina, M. Pozzato, K. Pretzl, F. Pupilli, R. Rescigno, M. Roda, T. Roganova, H. Rokujo, G. Rosa, I. Rostovtseva, A. Rubbia, A. Russo, O. Ryazhskaya, O. Sato, Y. Sato, T. Schchedrina, A. Schembri, W. Schmidt-Parzefall, I. Shakiryanova, A. Sheshukov, H. Shibuya, T. Shiraishi, G. Shoziyoev, S. Simone, M. Sioli, C. Sirignano, G. Sirri, M. Spinetti, L. Stanco, N. Starkov, S. M. Stellacci, M. Stipcevic, T. Strauss, P. Strolin, K. Suzuki, S. Takahashi, M. Tenti, F. Terranova, V. Tioukov, P. Tolun, S. Tufanli, P. Vilain, M. Vladimirov, L. Votano, J. L. Vuilleumier, G. Wilquet, B. Wonsak, C. S. Yoon, J. Yoshida, Y. Zaitsev, S. Zemskova, A. Zghiche
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • INFN Sezione di Napoli
  • Moscow State University
  • Kobe University
  • University of Bern
  • IGFL, Université de Lyon, Université Lyon 1
  • ETH Zurich
  • INFN
  • University of Salerno
  • University of Padova
  • Université Savoie Mont Blanc
  • Universität Hamburg
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • LNF-INFN
  • Joint Institute for Nuclear Research, Dubna
  • University of Naples Federico II
  • Laboratori Nazionali del Gran Sasso
  • INFN Sezione di Bari
  • Università degli studi di Bari Aldo Moro
  • University of Bologna
  • Université de Strasbourg
  • c/o DESY
  • Toho University
  • INFN Sezione di Bologna
  • Technion - Israel Institute of Technology
  • University of Urbino Carlo Bo
  • Middle East Technical University (METU)
  • Sezione di Roma
  • Nagoya University
  • Ruđer Bošković Institute
  • University Hospital of Lausanne
  • Ankara University
  • Gyeongsang National University
  • Kyungpook National University
  • Aichi University of Education
  • University of Rome
  • University Roma Tre
  • Università Dell'Aquila
  • Sungkyunkwan University
  • Institute for Theoretical and Experimental Physics
  • Utsunomiya University
  • University of Milano-Bicocca
  • Université Libre de Bruxelles

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

A first result of the search for νμ → νe oscillations in the OPERA experiment, located at the Gran Sasso Underground Laboratory, is presented. The experiment looked for the appearance of νe in the CNGS neutrino beam using the data collected in 2008 and 2009. Data are compatible with the non-oscillation hypothesis in the three-flavour mixing model. A further analysis of the same data constrains the non-standard oscillation parameters θnew and Δm new2 suggested by the LSND and MiniBooNE experiments. For large Δ Δmnew2 values (>0.1 eV 2), the OPERA 90% C.L. upper limit on sin2(2θ new) based on a Bayesian statistical method reaches the value 7.2 × 10-3.

langue originaleAnglais
Numéro d'article4
journalJournal of High Energy Physics
Volume2013
Numéro de publication7
Les DOIs
étatPublié - 1 janv. 2013
Modification externeOui

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