Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2013 Nov 22;111(21):211803.
doi: 10.1103/PhysRevLett.111.211803. Epub 2013 Nov 19.

Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam

K Abe  1 , J Adam, H Aihara, T Akiri, C Andreopoulos, S Aoki, A Ariga, T Ariga, S Assylbekov, D Autiero, M Barbi, G J Barker, G Barr, M Bass, M Batkiewicz, F Bay, S W Bentham, V Berardi, B E Berger, S Berkman, I Bertram, S Bhadra, F D M Blaszczyk, A Blondel, C Bojechko, S Bordoni, S B Boyd, D Brailsford, A Bravar, C Bronner, N Buchanan, R G Calland, J Caravaca Rodríguez, S L Cartwright, R Castillo, M G Catanesi, A Cervera, D Cherdack, G Christodoulou, A Clifton, J Coleman, S J Coleman, G Collazuol, K Connolly, L Cremonesi, A Curioni, A Dabrowska, I Danko, R Das, S Davis, P de Perio, G De Rosa, T Dealtry, S R Dennis, C Densham, F Di Lodovico, S Di Luise, O Drapier, T Duboyski, K Duffy, F Dufour, J Dumarchez, S Dytman, M Dziewiecki, S Emery, A Ereditato, L Escudero, A J Finch, E Frank, M Friend, Y Fujii, Y Fukuda, A P Furmanski, V Galymov, A Gaudin, S Giffin, C Giganti, K Gilje, T Golan, J J Gomez-Cadenas, M Gonin, N Grant, D Gudin, D R Hadley, A Haesler, M D Haigh, P Hamilton, D Hansen, T Hara, M Hartz, T Hasegawa, N C Hastings, Y Hayato, C Hearty, R L Helmer, M Hierholzer, J Hignight, A Hillairet, A Himmel, T Hiraki, S Hirota, J Holeczek, S Horikawa, K Huang, A K Ichikawa, K Ieki, M Ieva, M Ikeda, J Imber, J Insler, T J Irvine, T Ishida, T Ishii, S J Ives, K Iyogi, A Izmaylov, A Jacob, B Jamieson, R A Johnson, J H Jo, P Jonsson, K K Joo, C K Jung, A C Kaboth, T Kajita, H Kakuno, J Kameda, Y Kanazawa, D Karlen, I Karpikov, E Kearns, M Khabibullin, A Khotjantsev, D Kielczewska, T Kikawa, A Kilinski, J Kim, S B Kim, J Kisiel, P Kitching, T Kobayashi, G Kogan, A Kolaceke, A Konaka, L L Kormos, A Korzenev, K Koseki, Y Koshio, I Kreslo, W Kropp, H Kubo, Y Kudenko, S Kumaratunga, R Kurjata, T Kutter, J Lagoda, K Laihem, M Laveder, M Lawe, M Lazos, K P Lee, C Licciardi, I T Lim, T Lindner, C Lister, R P Litchfield, A Longhin, G D Lopez, L Ludovici, M Macaire, L Magaletti, K Mahn, M Malek, S Manly, A D Marino, J Marteau, J F Martin, T Maruyama, J Marzec, P Masliah, E L Mathie, V Matveev, K Mavrokoridis, E Mazzucato, M McCarthy, N McCauley, K S McFarland, C McGrew, C Metelko, P Mijakowski, C A Miller, A Minamino, O Mineev, S Mine, A Missert, M Miura, L Monfregola, S Moriyama, Th A Mueller, A Murakami, M Murdoch, S Murphy, J Myslik, T Nagasaki, T Nakadaira, M Nakahata, T Nakai, K Nakamura, S Nakayama, T Nakaya, K Nakayoshi, D Naples, C Nielsen, M Nirkko, K Nishikawa, Y Nishimura, H M O'Keeffe, R Ohta, K Okumura, T Okusawa, W Oryszczak, S M Oser, M Otani, R A Owen, Y Oyama, M Y Pac, V Palladino, V Paolone, D Payne, G F Pearce, O Perevozchikov, J D Perkin, Y Petrov, E S Pinzon Guerra, C Pistillo, P Plonski, E Poplawska, B Popov, M Posiadala, J-M Poutissou, R Poutissou, P Przewlocki, B Quilain, E Radicioni, P N Ratoff, M Ravonel, M A M Rayner, A Redij, M Reeves, E Reinherz-Aronis, F Retiere, A Robert, P A Rodrigues, E Rondio, S Roth, A Rubbia, D Ruterbories, R Sacco, K Sakashita, F Sánchez, F Sato, E Scantamburlo, K Scholberg, J Schwehr, M Scott, Y Seiya, T Sekiguchi, H Sekiya, D Sgalaberna, M Shiozawa, S Short, Y Shustrov, P Sinclair, B Smith, R J Smith, M Smy, J T Sobczyk, H Sobel, M Sorel, L Southwell, P Stamoulis, J Steinmann, B Still, Y Suda, A Suzuki, K Suzuki, S Y Suzuki, Y Suzuki, T Szeglowski, R Tacik, M Tada, S Takahashi, A Takeda, Y Takeuchi, H K Tanaka, H A Tanaka, M M Tanaka, I J Taylor, D Terhorst, R Terri, L F Thompson, A Thorley, S Tobayama, W Toki, T Tomura, Y Totsuka, C Touramanis, T Tsukamoto, M Tzanov, Y Uchida, K Ueno, A Vacheret, M Vagins, G Vasseur, T Wachala, A V Waldron, C W Walter, D Wark, M O Wascko, A Weber, R Wendell, R J Wilkes, M J Wilking, C Wilkinson, Z Williamson, J R Wilson, R J Wilson, T Wongjirad, Y Yamada, K Yamamoto, C Yanagisawa, S Yen, N Yershov, M Yokoyama, T Yuan, A Zalewska, J Zalipska, L Zambelli, K Zaremba, M Ziembicki, E D Zimmerman, M Zito, J Zmuda; T2K Collaboration
Affiliations
Free article

Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam

K Abe et al. Phys Rev Lett. .
Free article

Abstract

The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near detector measurements are used to constrain the neutrino flux and cross section parameters. The Super-Kamiokande far detector, which is 295 km downstream of the neutrino production target, collected data corresponding to 3.01×10(20) protons on target. In the absence of neutrino oscillations, 205±17 (syst) events are expected to be detected while only 58 muon neutrino event candidates are observed. A fit to the neutrino rate and energy spectrum, assuming three neutrino flavors and normal mass hierarchy yields a best-fit mixing angle sin2(θ23)=0.514±0.082 and mass splitting |Δm(32)(2)|=2.44(-0.15)(+0.17)×10(-3) eV2/c4. Our result corresponds to the maximal oscillation disappearance probability.

PubMed Disclaimer