Indication of electron neutrino appearance from an accelerator-produced off-axis muon neutrino beam.


Autoria(s): Abe, K; Abgrall, N; Ajima, Y; Aihara, H; Albert, JB; Andreopoulos, C; Andrieu, B; Aoki, S; Araoka, O; Argyriades, J; Ariga, A; Ariga, T; Assylbekov, S; Autiero, D; Badertscher, A; Barbi, M; Barker, GJ; Barr, G; Bass, M; Bay, F; Bentham, S; Berardi, V; Berger, BE; Bertram, I; Besnier, M; Beucher, J; Beznosko, D; Bhadra, S; Blaszczyk, FD; Blondel, A; Bojechko, C; Bouchez, J; Boyd, SB; Bravar, A; Bronner, C; Brook-Roberge, DG; Buchanan, N; Budd, H; Calvet, D; Cartwright, SL; Carver, A; Castillo, R; Catanesi, MG; Cazes, A; Cervera, A; Chavez, C; Choi, S; Christodoulou, G; Coleman, J; Coleman, W; Collazuol, G; Connolly, K; Curioni, A; Dabrowska, A; Danko, I; Das, R; Davies, GS; Davis, S; Day, M; De Rosa, G; de André, JP; de Perio, P; Delbart, A; Densham, C; Di Lodovico, F; Di Luise, S; Dinh Tran, P; Dobson, J; Dore, U; Drapier, O; Dufour, F; Dumarchez, J; Dytman, S; Dziewiecki, M; Dziomba, M; Emery, S; Ereditato, A; Escudero, L; Esposito, LS; Fechner, M; Ferrero, A; Finch, AJ; Frank, E; Fujii, Y; Fukuda, Y; Galymov, V; Gannaway, FC; Gaudin, A; Gendotti, A; George, MA; Giffin, S; Giganti, C; Gilje, K; Golan, T; Goldhaber, M; Gomez-Cadenas, JJ; Gonin, M; Grant, N; Grant, A; Gumplinger, P; Guzowski, P; Haesler, A; Haigh, MD; Hamano, K; Hansen, C; Hansen, D; Hara, T; Harrison, PF; Hartfiel, B; Hartz, M; Haruyama, T; Hasegawa, T; Hastings, NC; Hastings, S; Hatzikoutelis, A; Hayashi, K; Hayato, Y; Hearty, C; Helmer, RL; Henderson, R; Higashi, N; Hignight, J; Hirose, E; Holeczek, J; Horikawa, S; Hyndman, A; Ichikawa, AK; Ieki, K; Ieva, M; Iida, M; Ikeda, M; Ilic, J; Imber, J; Ishida, T; Ishihara, C; Ishii, T; Ives, SJ; Iwasaki, M; Iyogi, K; Izmaylov, A; Jamieson, B; Johnson, RA; Joo, KK; Jover-Manas, GV; Jung, CK; Kaji, H; Kajita, T; Kakuno, H; Kameda, J; Kaneyuki, K; Karlen, D; Kasami, K; Kato, I; Kearns, E; Khabibullin, M; Khanam, F; Khotjantsev, A; Kielczewska, D; Kikawa, T; Kim, J; Kim, JY; Kim, SB; Kimura, N; Kirby, B; Kisiel, J; Kitching, P; Kobayashi, T; Kogan, G; Koike, S; Konaka, A; Kormos, LL; Korzenev, A; Koseki, K; Koshio, Y; Kouzuma, Y; Kowalik, K; Kravtsov, V; Kreslo, I; Kropp, W; Kubo, H; Kudenko, Y; Kulkarni, N; Kurjata, R; Kutter, T; Lagoda, J; Laihem, K; Laveder, M; Lee, KP; Le, PT; Levy, JM; Licciardi, C; Lim, IT; Lindner, T; Litchfield, RP; Litos, M; Longhin, A; Lopez, GD; Loverre, PF; Ludovici, L; Lux, T; Macaire, M; Mahn, K; Makida, Y; Malek, M; Manly, S; Marchionni, A; Marino, AD; Marteau, J; Martin, JF; Maruyama, T; Maryon, T; Marzec, J; Masliah, P; Mathie, EL; Matsumura, C; Matsuoka, K; Matveev, V; Mavrokoridis, K; Mazzucato, E; McCauley, N; McFarland, KS; McGrew, C; McLachlan, T; Messina, M; Metcalf, W; Metelko, C; Mezzetto, M; Mijakowski, P; Miller, CA; Minamino, A; Mineev, O; Mine, S; Missert, AD; Mituka, G; Miura, M; Mizouchi, K; Monfregola, L; Moreau, F; Morgan, B; Moriyama, S; Muir, A; Murakami, A; Murdoch, M; Murphy, S; Myslik, J; Nakadaira, T; Nakahata, M; Nakai, T; Nakajima, K; Nakamoto, T; Nakamura, K; Nakayama, S; Nakaya, T; Naples, D; Navin, ML; Nelson, B; Nicholls, TC; Nishikawa, K; Nishino, H; Nowak, JA; Noy, M; Obayashi, Y; Ogitsu, T; Ohhata, H; Okamura, T; Okumura, K; Okusawa, T; Oser, SM; Otani, M; Owen, RA; Oyama, Y; Ozaki, T; Pac, MY; Palladino, V; Paolone, V; Paul, P; Payne, D; Pearce, GF; Perkin, JD; Pettinacci, V; Pierre, F; Poplawska, E; Popov, B; Posiadala, M; Poutissou, JM; Poutissou, R; Przewlocki, P; Qian, W; Raaf, JL; Radicioni, E; Ratoff, PN; Raufer, TM; Ravonel, M; Raymond, M; Retiere, F; Robert, A; Rodrigues, PA; Rondio, E; Roney, JM; Rossi, B; Roth, S; Rubbia, A; Ruterbories, D; Sabouri, S; Sacco, R; Sakashita, K; Sánchez, F; Sarrat, A; Sasaki, K; Scholberg, K; Schwehr, J; Scott, M; Scully, DI; Seiya, Y; Sekiguchi, T; Sekiya, H; Shibata, M; Shimizu, Y; Shiozawa, M; Short, S; Siyad, M; Smith, RJ; Smy, M; Sobczyk, JT; Sobel, H; Sorel, M; Stahl, A; Stamoulis, P; Steinmann, J; Still, B; Stone, J; Strabel, C; Sulak, LR; Sulej, R; Sutcliffe, P; Suzuki, A; Suzuki, K; Suzuki, S; Suzuki, SY; Suzuki, Y; Suzuki, Y; Szeglowski, T; Szeptycka, M; Tacik, R; Tada, M; Takahashi, S; Takeda, A; Takenaga, Y; Takeuchi, Y; Tanaka, K; Tanaka, HA; Tanaka, M; Tanaka, MM; Tanimoto, N; Tashiro, K; Taylor, I; Terashima, A; Terhorst, D; Terri, R; Thompson, LF; Thorley, A; Toki, W; Tomaru, T; Totsuka, Y; Touramanis, C; Tsukamoto, T; Tzanov, M; Uchida, Y; Ueno, K; Vacheret, A; Vagins, M; Vasseur, G; Wachala, T; Walding, JJ; Waldron, AV; Walter, CW; Wanderer, PJ; Wang, J; Ward, MA; Ward, GP; Wark, D; Wascko, MO; Weber, A; Wendell, R; West, N; Whitehead, LH; Wikström, G; Wilkes, RJ; Wilking, MJ; Wilson, JR; Wilson, RJ; Wongjirad, T; Yamada, S; Yamada, Y; Yamamoto, A; Yamamoto, K; Yamanoi, Y; Yamaoka, H; Yanagisawa, C; Yano, T; Yen, S; Yershov, N; Yokoyama, M; Zalewska, A; Zalipska, J; Zambelli, L; Zaremba, K; Ziembicki, M; Zimmerman, ED; Zito, M; Żmuda, J; T2K Collaboration
Contribuinte(s)

Walter, Christopher W

Data(s)

22/07/2011

Resumo

The T2K experiment observes indications of ν(μ) → ν(e) appearance in data accumulated with 1.43×10(20) protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario with |Δm(23)(2)| = 2.4×10(-3)  eV(2), sin(2)2θ(23) = 1 and sin(2)2θ(13) = 0, the expected number of such events is 1.5±0.3(syst). Under this hypothesis, the probability to observe six or more candidate events is 7×10(-3), equivalent to 2.5σ significance. At 90% C.L., the data are consistent with 0.03(0.04) < sin(2)2θ(13) < 0.28(0.34) for δ(CP) = 0 and a normal (inverted) hierarchy.

Dissertation

Identificador

http://www.ncbi.nlm.nih.gov/pubmed/21866992

Phys Rev Lett, 2011, 107 (4), pp. 041801 - ?

http://hdl.handle.net/10161/5461

1079-7114

http://hdl.handle.net/10161/5461

Relação

Phys Rev Lett

10.1103/PhysRevLett.107.041801

Tipo

Journal Article

Cobertura

United States

Formato

041801 - ?

Idioma(s)

ENG