Indication of reactor electron antineutrinos disappearance in the Double Chooz experiment
Autor: | Abe, Y., Aberle, C., Akiri, T., Dos Anjos, J. C., Ardellier, F., Barbosa, A. F., Baxter, A., Bergevin, M., Bernstein, A., Bezerra, T. J. C., Bezrukhov, L., Blucher, E., Bongrand, M., 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., Cormon, S., Crespo-Anadón, J. I., Cribier, M., Crum, K., Cucoanes, A., D'Agostino, M. V., Damon, E., Dawson, J.V., Dazeley, S., Dierckxsens, M., Dietrich, D., Djurcic, Z., Dracos, M., Durand, V., Efremenko, Y., Elnimr, M., Endo, Y., Etenko, A., Falk, E., Fallot, Muriel, Fechner, M., Von Feilitzsch, F., Felde, J., Fernandes, S. M., Franco, D., Franke, A. J., Franke, M., Furuta, H., Gama, R., Gil-Botella, I., Giot, Lydie, Göger-Neff, M., Gonzalez, L. F. G., Goodman, M. C., Goon, J. Tm., Greiner, D., Guillon, B., Haag, N., Hagner, C., Hara, T., Hartmann, F. X., Hartnell, J., Haruna, T., Haser, J., Hatzikoutelis, A., Hayakawa, T., Hofmann, M., Horton-Smith, G. A., Ishitsuka, M., Jochum, J., Jollet, C., Jones, C. L., Kaether, F., Kalousis, L., 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, H. P., Lindner, M., Liu, Yehan, 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., Milzstajn, A., Miyata, H., Motta, D., Mueller, Th. A., Nagasaka, Y., Nakajima, K., Novella, P., Obolensky, M., Oberauer, L., Onillon, A., Osborn, A., Ostrovskiy, I., Palomares, C., Peeters, S. J. M., Pepe, I. M., Perasso, S., Perrin, P., Pfahler, P., Porta, A., Potzel, W., Queval, R., Reichenbacher, J., Reinhold, B., Remoto, A., Reyna, D., Röhling, M., Roth, S., Rubin, H. A., Sakamoto, Y., Santorelli, R., Sato, F., Schönert, S., Schoppmann, S., Schwan, U., Schwetz, T., Shaevitz, M. H., Shrestha, D., Sida, J.-L., Sinev, V., Skorokhvatov, M., Smith, E., Spitz, J., Stahl, A., Stancu, I., Strait, M., Stüken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Sun, Z., Svoboda, R., Tabata, H., Tamura, N., Terao, K., Tonazzo, A., Toups, M., Trinh Thi, H. H., Veyssiere, C., Vignaud, D., Wagner, S., Watanabe, H., White, B., Wiebusch, C., Winslow, L., Worcester, M., Wurm, M., Yanovitch, E., Yermia, Frédéric, Zbiri, K., Zimmer, V. |
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Přispěvatelé: | AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, APC - Neutrinos, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire SUBATECH Nantes (SUBATECH), Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut Pluridisciplinaire Hubert Curien (IPHC), Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA), Double-CHOOZ |
Jazyk: | angličtina |
Rok vydání: | 2012 |
Předmět: |
[PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]
Neutrino mass and mixing Neutrino interactions muon [SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE] Neutrino Neutrino scattering pion [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] cosmic ray detectors and other elementary particle detectors |
Zdroj: | Physical Review Letters Physical Review Letters, American Physical Society, 2012, 108, pp.131801. ⟨10.1103/PhysRevLett.108.131801⟩ |
ISSN: | 0031-9007 1079-7114 |
DOI: | 10.1103/PhysRevLett.108.131801⟩ |
Popis: | 7 pages, 3 figures, see paper for full list of authors; The Double Chooz experiment presents an indication of reactor electron antineutrino disappearance consistent with neutrino oscillations. An observed-to-predicted ratio of events of 0.944±0.016(stat)±0.040(syst) was obtained in 101 days of running at the Chooz nuclear power plant in France, with two 4.25GWth reactors. The results were obtained from a single 10m3 fiducial volume detector located 1050 m from the two reactor cores. The reactor antineutrino flux prediction used the Bugey4 flux measurement after correction for differences in core composition. The deficit can be interpreted as an indication of a nonzero value of the still unmeasured neutrino mixing parameter sin22θ13. Analyzing both the rate of the prompt positrons and their energy spectrum, we find sin22θ13=0.086±0.041(stat)±0.030(syst), or, at 90% C.L., 0.017 |
Databáze: | OpenAIRE |
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