Phys. Rev. D
68,
092002
(2003)
[14 pages]
Search for periodic modulations of the solar neutrino flux in Super-Kamiokande-I
J. Yoo et al. (Super-Kamiokande Collaboration)
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J. Yoo23, Y. Ashie1, S. Fukuda1, Y. Fukuda1, K. Ishihara1, Y. Itow1, Y. Koshio1, A. Minamino1, M. Miura1, S. Moriyama1, M. Nakahata1, T. Namba1, R. Nambu1, Y. Obayashi1, N. Sakurai1, M. Shiozawa1, Y. Suzuki1, H. Takeuchi1, Y. Takeuchi1, S. Yamada1, M. Ishitsuka2, T. Kajita2, K. Kaneyuki2, S. Nakayama2, A. Okada2, T. Ooyabu2, C. Saji2, S. Desai3, M. Earl3, E. Kearns3, M. D. Messier3,*, J. L. Stone3, L. R. Sulak3, C. W. Walter3, M. Goldhaber4, T. Barszczak5, D. Casper5, W. Gajewski5, W. R. Kropp5, S. Mine5, D. W. Liu5, M. B. Smy5, H. W. Sobel5, M. R. Vagins5, A. Gago6, K. S. Ganezer6, J. Hill6, W. E. Keig6, J. Y. Kim7, I. T. Lim7, R. W. Ellsworth8, S. Tasaka9, A. Kibayashi10, J. G. Learned10, S. Matsuno10, D. Takemori10, Y. Hayato11, A. K. Ichikawa11, T. Ishii11, J. Kameda11, T. Kobayashi11, T. Maruyama11,†, K. Nakamura11, K. Nitta11, Y. Oyama11, M. Sakuda11, Y. Totsuka11, M. Yoshida11, M. Kohama12,‡, T. Iwashita12, A. T. Suzuki12, T. Inagaki13, I. Kato13, T. Nakaya13, K. Nishikawa13, T. J. Haines14,5, S. Dazeley15, S. Hatakeyama15, R. Svoboda15, E. Blaufuss16, M. L. Chen16, J. A. Goodman16, G. Guillian16, G. W. Sullivan16, D. Turcan16, K. Scholberg17, A. Habig18, M. Ackermann19, C. K. Jung19, T. Kato19, K. Kobayashi19, K. Martens19,§, M. Malek19, C. Mauger19, C. McGrew19, E. Sharkey19, B. Viren19,4, C. Yanagisawa19, T. Toshito20, C. Mitsuda21, K. Miyano21, T. Shibata21, Y. Kajiyama22, Y. Nagashima22, M. Takita22, H. I. Kim23, S. B. Kim23, H. Okazawa24, T. Ishizuka25, Y. Choi26, H. K. Seo26, M. Etoh27, Y. Gando27, T. Hasegawa27, K. Inoue27, J. Shirai27, A. Suzuki27, M. Koshiba28, Y. Hatakeyama29, Y. Ichikawa29, M. Koike29, K. Nishijima29, H. Ishino30, M. Morii30, R. Nishimura30, Y. Watanabe30, D. Kielczewska31,5, H. G. Berns32, S. C. Boyd32, A. L. Stachyra32, and R. J. Wilkes32 (Super-Kamiokande Collaboration)
1Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Gifu, 506-1205, Japan
2Research Center for Cosmic Neutrinos, Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Chiba 277-8582, Japan
3Department of Physics, Boston University, Boston, Massachusetts 02215, USA
4Physics Department, Brookhaven National Laboratory, Upton, New York 11973, USA
5Department of Physics and Astronomy, University of California, Irvine, Irvine, California 92697-4575, USA
6Department of Physics, California State University, Dominguez Hills, Carson, California 90747, USA
7Department of Physics, Chonnam National University, Kwangju 500-757, Korea
8Department of Physics, George Mason University, Fairfax, Virginia 22030, USA
9Department of Physics, Gifu University, Gifu, Gifu 501-1193, Japan
10Department of Physics and Astronomy, University of Hawaii, Honolulu, Hawaii 96822, USA
11Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
12Department of Physics, Kobe University, Kobe, Hyogo 657-8501, Japan
13Department of Physics, Kyoto University, Kyoto 606-8502, Japan
14Physics Division, P-23, Los Alamos National Laboratory, Los Alamos, New Mexico 87544, USA
15Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA
16Department of Physics, University of Maryland, College Park, Maryland 20742, USA
17Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
18Department of Physics, University of Minnesota, Duluth, Minnesota 55812-2496, USA
19Department of Physics and Astronomy, State University of New York, Stony Brook, New York 11794-3800, USA
20Department of Physics, Nagoya University, Nagoya, Aichi 464-8602, Japan
21Department of Physics, Niigata University, Niigata, Niigata 950-2181, Japan
22Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan
23Department of Physics, Seoul National University, Seoul 151-742, Korea
24International and Cultural Studies, Shizuoka Seika College, Yaizu, Shizuoka, 425-8611, Japan
25Department of Systems Engineering, Shizuoka University, Hamamatsu, Shizuoka 432-8561, Japan
26Department of Physics, Sungkyunkwan University, Suwon 440-746, Korea
27Research Center for Neutrino Science, Tohoku University, Sendai, Miyagi 980-8578, Japan
28The University of Tokyo, Tokyo 113-0033, Japan
29Department of Physics, Tokai University, Hiratsuka, Kanagawa 259-1292, Japan
30Department of Physics, Tokyo Institute for Technology, Meguro, Tokyo 152-8551, Japan
31Institute of Experimental Physics, Warsaw University, 00-681 Warsaw, Poland
32Department of Physics, University of Washington, Seattle, Washington 98195-1560, USA
Received 26 July 2003; published 11 November 2003
A search for periodic modulations of the solar neutrino flux was performed using the Super-Kamiokande-I data taken from 31 May 1996 to 15 July 2001. The detector’s capability of measuring the exact time of events, combined with a relatively high yield of solar neutrino events, allows a search for short-time variations in the observed flux. We employed the Lomb test to look for periodic modulations of the observed solar neutrino flux. The obtained periodogram is consistent with statistical fluctuation and no significant periodicity was found.
© 2003 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevD.68.092002
DOI:
10.1103/PhysRevD.68.092002
PACS:
14.60.Pq, 26.65.+t, 95.85.Ry, 96.40.Tv
*Present address: Harvard University, Cambridge, MA 02138, USA. †Present address: Enrico Fermi Institute, University of Chicago, Chicago, IL 60637, USA. ‡Present address: The Institute of Physical and Chemical Research (RIKEN) Wako, Saitama 351-0198, Japan. §Present address: Department of Physics, University of Utah, Salt Lake City, UT 84112, USA.
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