Reactor electron antineutrino disappearance in the Double Chooz experiment
- Abe, Y.
- Aberle, C.
- Anjos, J. C. Dos
- Barriere, J. C.
- Bergevin, M.
- Bernstein, A.
- Bezerra, T. J. C.
- Bezrukhov, L.
- Blucher, E.
- Bowden, N. S.
- Buck, C.
- Busenitz, J.
- Cabrera, A.
- Caden, E.
- Camilleri, L.
- Carr, R.
- Cerrada, M.
- Chang, P. -J.
- Chimenti, P.
- Classen, T.
- Collin, A. P.
- Conover, E.
- Conrad, J. M.
- Crespo-Anadón, J. I.
- Crum, K.
- Cucoanes, A.
- d'Agostino, M. V.
- Damon, E.
- Dawson, J.V.
- Dazeley, S.
- Dietrich, D.
- Djurcic, Z.
- Dracos, M.
- Durand, V.
- Ebert, J.
- Efremenko, Y.
- Elnimr, M.
- Etenko, A.
- Fallot, Muriel
- Fechner, M.
- von Feilitzsch, F.
- Felde, J.
- Franco, D.
- Franke, A. J.
- Franke, M.
- Furuta, H.
- Gama, R.
- Gil-Botella, I.
- Giot, Lydie
- Goger-Neff, M.
- Gonzalez, L. F. G.
- Goodman, M. C.
- Goon, J. Tm.
- Greiner, D.
- Haag, N.
- Hagner, C.
- Hara, T.
- Hartmann, F. X.
- Haser, J.
- Hatzikoutelis, A.
- Hayakawa, T.
- Hofmann, M.
- Horton-Smith, G. A.
- Hourlier, A.
- Ishitsuka, M.
- Jochum, J.
- Jollet, C.
- Jones, C. L.
- Kaether, F.
- Kalousis, L. N.
- Kamyshkov, Y.
- Kaplan, D. M.
- Kawasaki, T.
- Keefer, G.
- Kemp, E.
- de Kerret, H.
- Kibe, Y.
- Konno, T.
- Kryn, D.
- Kuze, M.
- Lachenmaier, T.
- Lane, C. E.
- Langbrandtner, C.
- Lasserre, T.
- Letourneau, A.
- Lhuillier, D.
- Lima Jr, H. P.
- Lindner, M.
- López-Castanõ, J. M.
- Losecco, J. M.
- Lubsandorzhiev, B. K.
- Lucht, S.
- Mckee, D.
- Maeda, J.
- Maesano, C. N.
- Mariani, C.
- Maricic, J.
- Martino, J.
- Matsubara, T.
- Mention, G.
- Meregaglia, A.
- Miletic, T.
- Milincic, R.
- Miyata, H.
- Mueller, Th. A.
- Nagasaka, Y.
- Nakajima, K.
- Novella, P.
- Obolensky, M.
- Oberauer, L.
- Onillon, A.
- Osborn, A.
- Ostrovskiy, I.
- Palomares, C.
- Pepe, I. M.
- Perasso, S.
- Perrin, P.
- Pfahler, P.
- Porta, Amanda
- Potzel, W.
- Reichenbacher, J.
- Reinhold, B.
- Remoto, A.
- Rohling, M.
- Roncin, R.
- Roth, S.
- Sakamoto, Y.
- Santorelli, R.
- Sato, F.
- Schonert, S.
- Schoppmann, S.
- Schwetz, T.
- Shaevitz, M. H.
- Shimojima, S.
- Shrestha, D.
- Sida, J-L.
- Sinev, V.
- Skorokhvatov, M.
- Smith, E.
- Spitz, J.
- Stahl, A.
- Stancu, I.
- Stokes, L. F. F.
- Strait, M.
- Stuken, A.
- Suekane, F.
- Sukhotin, S.
- Sumiyoshi, T.
- Sun, Y.
- Svoboda, R.
- Terao, K.
- Tonazzo, A.
- Toups, M.
- Thi, H. H. Trinh
- Valdiviesso, G.
- Veyssiere, C.
- Wagner, S.
- Watanabe, H.
- White, B.
- Wiebusch, C.
- Winslow, L.
- Worcester, M.
- Wurm, M.
- Yermia, Frédéric
- Zimmer, V.
DOIAbstract
The Double Chooz experiment has observed 8,249 candidate electron antineutrino events in 227.93 live days with 33.71 GW-ton-years (reactor power x detector mass x livetime) exposure using a 10.3 cubic meter fiducial volume detector located at 1050 m from the reactor cores of the Chooz nuclear power plant in France. The expectation in case of theta13 = 0 is 8,937 events. The deficit is interpreted as evidence of electron antineutrino disappearance. From a rate plus spectral shape analysis we find sin^2 2{\theta}13 = 0.109 \pm 0.030(stat) \pm 0.025(syst). The data exclude the no-oscillation hypothesis at 99.9% CL (3.1{\sigma})
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