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Evidence for an oscillatory signature in atmospheric neutrino oscillations

  • Y. Ashie
  • , J. Hosaka
  • , K. Ishihara
  • , Y. Itow
  • , J. Kameda
  • , Y. Koshio
  • , A. Minamino
  • , C. Mitsuda
  • , M. Miura
  • , S. Moriyama
  • , M. Nakahata
  • , T. Namba
  • , R. Nambu
  • , Y. Obayashi
  • , M. Shiozawa
  • , Y. Suzuki
  • , Y. Takeuchi
  • , K. Taki
  • , S. Yamada
  • , M. Ishitsuka
  • T. Kajita, K. Kaneyuki, S. Nakayama, A. Okada, K. Okumura, T. Ooyabu, C. Saji, Y. Takenaga, S. Desai, E. Kearns, S. Likhoded, J. L. Stone, L. R. Sulak, C. W. Walter, W. Wang, M. Goldhaber, D. Casper, J. P. Cravens, W. Gajewski, W. R. Kropp, D. W. Liu, S. Mine, M. B. Smy, H. W. Sobel, C. W. Sterner, M. R. Vagins, K. S. Ganezer, J. Hill, W. E. Keig, J. S. Jang, J. Y. Kim, I. T. Lim, R. W. Ellsworth, S. Tasaka, G. Guillian, A. Kibayashi, J. G. Learned, S. Matsuno, D. Takemori, M. D. Messier, Y. Hayato, A. K. Ichikawa, T. Ishida, T. Ishii, T. Iwashita, T. Kobayashi, T. Maruyama, K. Nakamura, K. Nitta, Y. Oyama, M. Sakuda, Y. Totsuka, A. T. Suzuki, M. Hasegawa, K. Hayashi, T. Inagaki, I. Kato, H. Maesaka, T. Morita, T. Nakaya, K. Nishikawa, T. Sasaki, S. Ueda, S. Yamamoto, T. J. Haines, S. Dazeley, S. Hatakeyama, R. Svoboda, E. Blaufuss, J. A. Goodman, G. W. Sullivan, D. Turcan, K. Scholberg, A. Habig, Y. Fukuda, C. K. Jung, T. Kato, K. Kobayashi, M. Malek, C. Mauger, C. McGrew, A. Sarrat, E. Sharkey, C. Yanagisawa, T. Toshito, K. Miyano, N. Tamura, J. Ishii, Y. Kuno, Y. Nagashima, M. Takita, M. Yoshida, S. B. Kim, J. Yoo, H. Okazawa, T. Ishizuka, Y. Choi, H. K. Seo, Y. Gando, T. Hasegawa, K. Inoue, J. Shirai, A. Suzuki, M. Koshiba, Y. Nakajima, K. Nishijima, T. Harada, H. Ishino, R. Nishimura, Y. Watanabe, D. Kielczewska, J. Zalipska, H. G. Berns, R. Gran, K. K. Shiraishi, A. Stachyra, K. Washburn, R. J. Wilkes
  • The University of Tokyo
  • Boston University
  • Brookhaven National Laboratory
  • University of California at Irvine
  • California State University Dominguez Hills
  • Chonnam National University
  • George Mason University
  • Gifu University
  • University of Hawai'i at Mānoa
  • Indiana University Bloomington
  • High Energy Accelerator Research Organization, Tsukuba
  • Kobe University
  • Kyoto University
  • Los Alamos National Laboratory
  • Louisiana State University
  • University of Maryland, College Park
  • Massachusetts Institute of Technology
  • University of Minnesota Duluth
  • Miyagi University of Education
  • Stony Brook University
  • Nagoya University
  • Niigata University
  • The University of Osaka
  • Seoul National University
  • International and Cultural Studies
  • Shizuoka University
  • Sungkyunkwan University
  • Tohoku University
  • Tokai University
  • Institute of Science Tokyo
  • University of Warsaw
  • University of Washington

Research output: Contribution to journalArticlepeer-review

688 Scopus citations

Abstract

The survival probability of muon neutrinos was analyzed as a function of L/E using atmospheric neutrino events observed in Super-Kamiokande. Alternative models that could explain the zenith angle and energy dependent deficit of the atmospheric muon neutrinos were disfavored. The neutrino energy was estimated from the total energy of charged particles observed in the inner detector (ID). It was concluded that the observed L/E distribution gives the first direct evidence that the neutrino survival probability obeys the sinusoidal function as predicted by neutrino flavor oscillations.

Original languageEnglish
Article number101801
Pages (from-to)101801-1-101801-6
JournalPhysical Review Letters
Volume93
Issue number10
DOIs
StatePublished - Sep 3 2004

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