Measurement of atmospheric neutrino oscillation parameters by Super-Kamiokande I

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. IshitsukaT. Kajita, S. Nakayama, K. Okumura, W. Wang, T. Ishii, T. Kobayashi, T. Maruyama, K. Nakamura, A. T. Suzuki, M. Hasegawa, K. Hayashi, T. Morita, T. Sasaki, S. Ueda, S. Yamamoto, S. Hatakeyama, Y. Fukuda, T. Kato, K. Kobayashi, K. Miyano, M. Yoshida, S. B. Kim, Y. Choi, H. K. Seo, K. Inoue, A. T. Suzuki, Y. Nakajima, T. Harada, Y. Watanabe, K. K. Shiraishi

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Abstract

We present a combined analysis of fully-contained, partially-contained and upward-going muon atmospheric neutrino data from a 1489d exposure of the Super-Kamiokande detector. The data samples span roughly five decades in neutrino energy, from 100MeV to 10eV. A detailed Monte Carlo comparison is described and presented. The data is fit to the Monte Carlo expectation, and is found to be consistent with neutrino oscillations of νμντ with sin22θ>0.92 and 1.5×10-3<Δm2<3.4×10-3eV2 at 90% confidence level.

Original languageEnglish
Article number112005
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume71
Issue number11
DOIs
Publication statusPublished - Jun 1 2005

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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