Observation of Electron Neutrino Appearance in a Muon Neutrino Beam

H. Aihara,T. Akiri,C. Andreopoulos,S. Aoki,A. Ariga,T. Ariga,S. Assylbekov,S. Simone,M. Barbi,Gareth Barker,G. Barr,M. Bass,M. Batkiewicz,F. Bay,S. Bentham,V. Berardi,B. Berger,S. Berkman,M. Diesburg,S. Bhadra,F. Blaszczyk,A. Blondel,C. Bojechko,S. Bordoni,S. Boyd,D. Brailsford,A. Bravar,N. Buchanan,R. Calland,J. Rodríguez,S. Cartwright,R. Fernández,S. Cao,A. Cervera,D. Cherdack,G. Christodoulou,A. Clifton,J. Coleman,S. Coleman,G. Collazuol,K. Connolly,L. Cremonesi,A. Da̧browska,V. Elvira,R. Das,S. Davis,J. Martin,G. Rosa,T. Dealtry,S. Dennis,C. Densham,F. Lodovico,S. Luise,O. Drapier,T. Duboyski,K. Duffy,Frédéric Dufour,S. Dytman,A. Bursche,P. Dunne,S. Errede,L. Escudero,F. Foster,L. Floetotto,M. Friend,Y. Fujii,Y. Fukuda,A. Furmanski,V. Galymov,A. Gaudin,S. Giffin,C. Giganti,K. Gilje,D. Goeldi,T. Golan,J.J. Gómez-Cadenas,J. Nowak,N. Grant,D. Gudin,D. Hadley,A. Haesler,Martin Haigh,E. Rondio,T. Hara,M. Hartz,T. Hasegawa,Y. Hayato,C. Hearty,J. Hartnell,M. Hierholzer,J. Hignight,A. Hillairet,A. Himmel,T. Hiraki,S. Hirota,J. Holeczek,Shin Horikawa,K. Huang,A. Ichikawa,K. Ieki,M. Ieva,M. Ikeda,J. Imber,T. Irvine,Toru Ishida,T. Ishii,S. Ives,K. Iyogi,A. Izmaylov,A. Jacob,B. Jamieson,R. Johnson,J. Jo,P. Jonsson,C. Jung,A. Kaboth,T. Kajita,H. Kakuno,J. Kameda,Y. Kanazawa,D. Karlen,I. Karpikov,E. Kearns,M. Khabibullin,D. Kiełczewska,T. Kikawa,A. Kilinski,J. Kim,J. Kisiel,P. Kitching,T. Kobayashi,L. Koch,A. Kolaceke,A. Konaka,F. Retière,A. Korzenev,K. Koseki,I. Kreslo,A. Rubbia,J. Kushida,Y. Kudenko,S. Kumaratunga,R. Kurjata,J. Łagoda,K. Laihem,N. Horikawa,M. Lawe,T. Radermacher,K. Lee,C. Licciardi,M. Lamoureux,C. Lister,J. Learned,G. Felici,L. Ludovici,M. Macaire,L. Magaletti,M. Malek,S. Manly,Marvin Marshak,J. Marteau,M. Martı́nez,J. Marzec,E. Mathie,Vladimir Matveev,K. Mavrokoridis,M. McCarthy,N. McCauley,K. McFarland,C. McGrew,C. Metelko,M. Mezzetto,B. Viren,C. Miller,A. Minamino,O. Mineev,S. Mine,A. Missert,T. Katori,L. Monfregola,S. Moriyama,Th. Mueller,S. Kowalski,M. Murdoch,H. Muramatsu,M. Nakahata,Takanori Nagasaki,T. Nakadaira,T. Nakai,S. Nakayama,T. Nakaya,K. Nakayoshi,D. Naples,Christine Mclean,M. Nirkko,K. Nishikawa,Y. Nishimura,K. Okumura,R. Ohta,T. Okusawa,W. Oryszczak,R. Owen,Y. Oyama,V. Palladino,S. Bachmann,D. Payne,G.F. Pearce,O. Perevozchikov,E. Skrzypczak,Y. Petrov,L. Pickard,C. Pistillo,P. Płoński,E. Poplawska,B. Popov,R. Poutissou,P. Ratoff,M. Ravonel,M. Rayner,A. Redij,Mark Reeves,A. Robert,J. Miller,P. Rojas,D. Ruterbories,R. Sacco,K. Sakashita,F. Sato,H. Sekiya,K. Scholberg,A. Rychter,M. Scott,Y. Seiya,T. Sekiguchi,D. Sgalaberna,M. Shiozawa,C. Touramanis,Y. Shustrov,P. Sinclair,B. Smith,R. Smith,Volodymyr Takhistov,H. Sobel,L. Southwell,P. Stamoulis,B. Still,Y. Suda,A. Suzuki,Kenta Suzuki,S. Suzuki,Y. Suzuki,T. Szegłowski,R. Tacik,Sentaro Takahashi,A. Takeda,Y. Takeuchi,H. Tanaka,M. Tanaka,D. Terhorst,J. Lees,A. Thorley,K. Trabelsi,T. Tsukamoto,Y. Uchida,K. Ueno,M. Vagins,G. Vasseur,A. Waldron,M. Wascko,A. Weber,R. Wilkes,M. Wilking,C. Wilkinson,R. Wilson,T. Wongjirad,Y. Yamada,K. Yamamoto,T. Yano,M. Zito,A. Zalewska,J. Zalipska,L. Zambelli,K. Zaremba,M. Ziembicki,J. Żmuda,Saverio Simone,I. Bertram,Stefano Casasso,Hiroshi Nunokawa,D. Autiero,N. Barros,C. Bronner,R. Castillo,M. Catanesi,William Coleman,I. Dankó,J. Dumarchez,S. Emery,A. Ereditato,A.J. Finch,M. Gonin,P. Hamilton,D. Hansen,N. Hastings