Search for short baseline $\nu_e$ disappearance with the T2K near detector
Keietsu Abe,J C Adam,H Aihara, T Akiri,C Andreopoulos,Sinya Aoki,A Ariga, S Assylbekov,D Autiero,M Barbi,G J Barker, G Barr,Mark D Bass, M Batkiewicz,F Bay,V Berardi,B E Berger,S Berkman,S Bhadra,F D M Blaszczyk, A Blondel, C Bojechko,S Bordoni,S Boyd,David F Brailsford,A Bravar,C Bronner,N J Buchanan, R G Calland,J Caravaca Rodriguez, S Cartwright, Ricardo O Castillo,M G Catanesi,A Cervera,D Cherdack,George N Christodoulou,A Clifton,J P Coleman,S J Coleman,G Collazuol, K Connolly,L Cremonesi,A Dabrowska, I Danko,R Das,Scott Davis,P De Perio,G De Rosa,T Dealtry,S R Dennis,C Densham,D Dewhurst,F Di Lodovico,S Di Luise, O Drapier, T Duboyski,K Duffy,J Dumarchez,S A Dytman,M Dziewiecki, S Emeryschrenk,A Ereditato,L Escudero,A J Finch,G A Fiorentini Aguirre,M Friend,Y Fujii,Yutaka Fukuda, A P Furmanski, V Galymov,S Giffin,C Giganti, K Gilje,D Goeldi,T Golan,M Gonin,N Grant, D Gudin,David Hadley, L Haegel, A Haesler, M D Haigh,Peter J Hamilton,D A Hansen,T Hara,M Hartz,Tomoyuki Hasegawa,N C Hastings,T Hayashino,Y Hayato,C Hearty,R L Helmer,M Hierholzer, J Hignight, A Hillairet,A Himmel,Tatsuro Hiraki,S Hirota, J Holeczek,S Horikawa,Kun Huang,A K Ichikawa, K Ieki,M Ieva,Mitsuru Ikeda,J Imber,J Insler, T J Irvine, Takuya Ishida,T Ishii, E Iwai, Kazuhisa Iwamoto, K Iyogi,A Izmaylov,Ajey P Jacob,Bruce Jamieson,Ming Jiang, Sarah H Johnson,Jae Heung Jo,P Jonsson, C K Jung,M Kabirnezhad, A Kaboth,T Kajita,H Kakuno, J Kameda, Yasuhiko Kanazawa,D Karlen, I Karpikov,T Katori,E Kearns,M Khabibullin,A Khotjantsev,D Kielczewska,T Kikawa, A Kilinski,J Kim, Susanne King,J Kisiel, P Kitching, Toshihiko Kobayashi,Lauren G Koch, A Kolaceke,A Konaka,L L Kormos,A Korzenev,Y Koshio,W R Kropp,Hidetoshi Kubo,Y Kudenko,R Kurjata,T Kutter,J Lagoda, I Lamont, Edward Larkin,M Laveder,M Lawe,M Lazos, T Lindner, C J Lister,R P Litchfield,A Longhin,L Ludovici, L Magaletti,K B M Mahn,M Malek,S Manly,A D Marino, J Marteau, J F Martin, Pedro Sa Martins, S Martynenko,Taro Maruyama,Viktor Matveev,K Mavrokoridis, E Mazzucato,M Mccarthy,N Mccauley, K S Mcfarland, C Mcgrew, A Mefodiev, C Metelko, M Mezzetto, P Mijakowski,C A Miller,A Minamino, O Mineev, A Missert, Masayoshi Miura,S Moriyama,T Mueller, Akihiro Murakami, M Murdoch,S Murphy,J Myslik,T Nakadaira, M Nakahata,Koji Nakamura, Satomi Nakayama,T Nakaya,K Nakayoshi, C Nantais, C V Nielsen, M Nirkko,K Nishikawa,Y Nishimura,J A Nowak,H M Okeeffe, R Ohta,Kenji Okumura, T Okusawa, W Oryszczak,S M Oser, T Ovsyannikova,R A Owen,Y Oyama,V Palladino,J L Palomino,V Paolone,D J Payne,O Perevozchikov,J D Perkin,Yu V Petrov, L Pickard,E S Pinzon Guerra,C Pistillo, P Plonski, E Poplawska,B Popov,M Posiadalazezula,J M Poutissou,R Poutissou, P Przewlocki, B Quilain,E Radicioni,P N Ratoff, M Ravonel,Manny Rayner, A Redij,Mathew J Reeves,E Reinherzaronis,C Riccio, P A Rodrigues,P Rojas,E Rondio,Stephen M Roth,A Rubbia, D Ruterbories,R Sacco,Kazuo Sakashita, Francisca Javiela Munoz Sanchez,Fumiaki Sato,E Scantamburlo,K Scholberg,S Schoppmann, J Schwehr,M Scott,Y Seiya,T Sekiguchi,Hiroshi Sekiya, D Sgalaberna, F Shaker,D Shaw, M Shiozawa, Stefania E Short, Y Shustrov, Pamela H Sinclair, Brandon Smith,M B Smy,Jan T Sobczyk, H W Sobel,M Sorel, L Southwell, P Stamoulis,J Steinmann, B Still,Yuji Suda, Akari Suzuki, Kensaku Suzuki,S Suzuki, Y Suzuki,R Tacik,Minoru Tada,S Takahashi, Arihiro Takeda,Yasutomo Takeuchi,Hidekazu Tanaka,M Tanaka,D Terhorst,R Terri,L F Thompson, A Thorley, S Tobayama,W H Toki,T Tomura, Y Totsuka, C Touramanis, T Tsukamoto,M Tzanov,Y Uchida, A Vacheret, M R Vagins, G Vasseur,T Wachala,Kazumasa Wakamatsu,C W Walter,D L Wark, W Warzycha,M O Wascko,A Weber,R Wendell,R J Wilkes,M J Wilking, Clive R Wilkinson, Z Williamson,J R Wilson,R J Wilson, T Wongjirad, Yukio Yamada,K Yamamoto, C Yanagisawa,Takaaki Yano,S Yen,N Yershov,Masaru Yokoyama, Kyoko Yoshida,T Yuan,Miao Yu,A Zalewska,J Zalipska,L Zambelli,K Zaremba,M Ziembicki,E D Zimmerman,M Zito,Joseph M Zmuda
PHYSICAL REVIEW D（2015）
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摘要
The T2K experiment has performed a search for nu(e) disappearance due to sterile neutrinos using 5.9 x 10(20) protons on target for a baseline of 280 m in a neutrino beam peaked at about 500 MeV. A sample of nu(e) CC interactions in the off-axis near detector has been selected with a purity of 63% and an efficiency of 26%. The p-value for the null hypothesis is 0.085 and the excluded region at 95% C.L. is approximately sin(2)2 theta(ee) > 0.3 for Delta m(eff)(2) > 7 eV(2)/c(4).
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关键词
neutrino oscillation
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