Phys. Rev. Lett.
86,
5656–5660
(2001)
Constraints on Neutrino Oscillations Using 1258 Days of Super-Kamiokande Solar Neutrino Data
S. Fukuda et al. (Super-Kamiokande Collaboration)
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S. Fukuda1, Y. Fukuda1, M. Ishitsuka1, Y. Itow1, T. Kajita1, J. Kameda1, K. Kaneyuki1, K. Kobayashi1, Y. Koshio1, M. Miura1, S. Moriyama1, M. Nakahata1, S. Nakayama1, A. Okada1, N. Sakurai1, M. Shiozawa1, Y. Suzuki1, H. Takeuchi1, Y. Takeuchi1, T. Toshito1, Y. Totsuka1, S. Yamada1, S. Desai2, M. Earl2, E. Kearns2, M. D. Messier2, K. Scholberg2,*, J. L. Stone2, L. R. Sulak2, C. W. Walter2, M. Goldhaber3, T. Barszczak4, D. Casper4, W. Gajewski4, W. R. Kropp4, S. Mine4, D. W. Liu4, L. R. Price4, M. B. Smy4, H. W. Sobel4, M. R. Vagins4, K. S. Ganezer5, W. E. Keig5, R. W. Ellsworth6, S. Tasaka7, A. Kibayashi8, J. G. Learned8, S. Matsuno8, D. Takemori8, Y. Hayato9, T. Ishii9, T. Kobayashi9, K. Nakamura9, Y. Obayashi9, Y. Oyama9, A. Sakai9, M. Sakuda9, M. Kohama10, A. T. Suzuki10, T. Inagaki11, T. Nakaya11, K. Nishikawa11, T. J. Haines12,4, E. Blaufuss13,14, S. Dazeley13, K. B. Lee13,†, R. Svoboda13, J. A. Goodman14, G. Guillian14, G. W. Sullivan14, D. Turcan14, A. Habig15, J. Hill16, C. K. Jung16, K. Martens16,‡, M. Malek16, C. Mauger16, C. McGrew16, E. Sharkey16, B. Viren16, C. Yanagisawa16, C. Mitsuda17, K. Miyano17, C. Saji17, T. Shibata17, Y. Kajiyama18, Y. Nagashima18, K. Nitta18, M. Takita18, M. Yoshida18, H. I. Kim19, S. B. Kim19, J. Yoo19, H. Okazawa20, T. Ishizuka21, M. Etoh22, Y. Gando22, T. Hasegawa22, K. Inoue22, K. Ishihara22, T. Maruyama22, J. Shirai22, A. Suzuki22, M. Koshiba23, Y. Hatakeyama24, Y. Ichikawa24, M. Koike24, K. Nishijima24, H. Fujiyasu25, H. Ishino25, M. Morii25, Y. Watanabe25, U. Golebiewska26, D. Kielczewska26,4, S. C. Boyd27, A. L. Stachyra27, R. J. Wilkes27, and K. K. Young§ (Super-Kamiokande Collaboration)
1Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Chiba 277-8582, Japan
2Department of Physics, Boston University, Boston, Massachusetts 02215
3Physics Department, Brookhaven National Laboratory, Upton, New York 11973
4Department of Physics and Astronomy, University of California, Irvine, Irvine, California 92697-4575
5Department of Physics, California State University, Dominguez Hills, Carson, California 90747
6Department of Physics, George Mason University, Fairfax, Virginia 22030
7Department of Physics, Gifu University, Gifu, Gifu 501-1193, Japan
8Department of Physics and Astronomy, University of Hawaii, Honolulu, Hawaii 96822
9Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
10Department of Physics, Kobe University, Kobe, Hyogo 657-8501, Japan
11Department of Physics, Kyoto University, Kyoto 606-8502, Japan
12Physics Division, P-23, Los Alamos National Laboratory, Los Alamos, New Mexico 87544
13Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803
14Department of Physics, University of Maryland, College Park, Maryland 20742
15Department of Physics, University of Minnesota, Duluth, Minnesota 55812-2496
16Department of Physics and Astronomy, State University of New York, Stony Brook, New York 11794-3800
17Department of Physics, Niigata University, Niigata, Niigata 950-2181, Japan
18Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
19Department of Physics, Seoul National University, Seoul 151-742, Korea
20International and Cultural Studies, Shizuoka Seika College, Yaizu, Shizuoka 425-8611, Japan
21Department of Systems Engineering, Shizuoka University, Hamamatsu, Shizuoka 432-8561, Japan
22Research Center for Neutrino Science, Tohoku University, Sendai, Miyagi 980-8578, Japan
23The University of Tokyo, Tokyo 113-0033, Japan
24Department of Physics, Tokai University, Hiratsuka, Kanagawa 259-1292, Japan
25Department of Physics, Tokyo Institute for Technology, Meguro, Tokyo 152-8551, Japan
26Institute of Experimental Physics, Warsaw University, 00-681 Warsaw, Poland
27Department of Physics, University of Washington, Seattle, Washington 98195-1560
Received 19 March 2001; published in the issue dated 18 June 2001
We report the result of a search for neutrino oscillations using precise measurements of the recoil electron energy spectrum and zenith angle variations of the solar neutrino flux from 1258 days of neutrino-electron scattering data in Super-Kamiokande. The absence of significant zenith angle variation and spectrum distortion places strong constraints on neutrino mixing and mass difference in a flux-independent way. Using the Super-Kamiokande flux measurement in addition, two allowed regions at large mixing are found.
© 2001 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.5656
DOI:
10.1103/PhysRevLett.86.5656
PACS:
26.65.+t, 14.60.Pq, 95.85.Ry, 96.40.Tv
*Present address: Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139. †Present address: Korea Research Institute of Standards and Science, Yusong P.O. Box 102, Taejon, 305-600, Korea. ‡Present address: Department of Physics, University of Utah, Salt Lake City, UT 84112. §Deceased.
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