Indication of Electron Neutrino Appearance from an Accelerator-Produced Off-Axis Muon Neutrino Beam
Abstract
The T2K experiment observes indications of nu(mu) -> nu(mu) e appearance in data accumulated with 1.43 x 10(20) protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario with |Delta m(23)(2)| = 2.4 x 10(-3) eV(2), sin(2)2 theta(23) = 1 and sin(2)2 theta(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 x 10(-3), equivalent to 2.5 sigma significance. At 90% C.L., the data are consistent with 0.03(0.04) < sin(2)2 theta(13) < 0.28(0.34) for delta(CP) = 0 and a normal (inverted) hierarchy.
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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 FDMM , 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 Andre JPAM , de Perio P , Delbart A , Densham C , Di Lodovico F , Di Luise S , Tran PD , 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 L , 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 , Sanchez 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 ,
Titolo volume/Rivista
PHYSICAL REVIEW LETTERS
Anno di pubblicazione
2011
ISSN
0031-9007
ISBN
Non Disponibile
Numero di citazioni Wos
Nessuna citazione
Ultimo Aggiornamento Citazioni
Non Disponibile
Numero di citazioni Scopus
864
Ultimo Aggiornamento Citazioni
2017-04-22 03:20:59
Settori ERC
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Codici ASJC
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