Measurement of the tau neutrino cross section in atmospheric neutrino oscillations with Super-Kamiokande

Z. Li, K. Abe, C. Bronner, Y. Hayato, M. Ikeda, K. Iyogi, J. Kameda, Y. Kato, Y. Kishimoto, Ll Marti, M. Miura, S. Moriyama, M. Nakahata, Y. Nakajima, Y. Nakano, S. Nakayama, A. Orii, G. Pronost, H. Sekiya, M. ShiozawaY. Sonoda, A. Takeda, A. Takenaka, H. Tanaka, S. Tasaka, T. Tomura, R. Akutsu, T. Kajita, Y. Nishimura, K. Okumura, K. M. Tsui, P. Fernandez, L. Labarga, F. D.M. Blaszczyk, J. Gustafson, C. Kachulis, E. Kearns, J. L. Raaf, J. L. Stone, L. R. Sulak, S. Berkman, S. Tobayama, M. Elnimr, W. R. Kropp, S. Locke, S. Mine, P. Weatherly, M. B. Smy, H. W. Sobel, V. Takhistov, K. S. Ganezer, J. Hill, J. Y. Kim, I. T. Lim, R. G. Park, A. Himmel, E. O'Sullivan, K. Scholberg, C. W. Walter, T. Ishizuka, T. Nakamura, J. S. Jang, K. Choi, J. G. Learned, S. Matsuno, S. N. Smith, J. Amey, R. P. Litchfield, W. Y. Ma, Y. Uchida, M. O. Wascko, S. Cao, M. Friend, T. Hasegawa, T. Ishida, T. Ishii, T. Kobayashi, T. Nakadaira, K. Nakamura, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, Ke Abe, M. Hasegawa, A. T. Suzuki, Y. Takeuchi, T. Yano, T. Hayashino, T. Hiraki, S. Hirota, K. Huang, M. Jiang, M. Mori, K. E. Nakamura, T. Nakaya, N. D. Patel, R. A. Wendell, L. H.V. Anthony, N. McCauley, A. Pritchard, Y. Fukuda, Y. Itow, M. Murase, F. Muto, P. Mijakowski, K. Frankiewicz, C. K. Jung, X. Li, J. L. Palomino, G. Santucci, C. Vilela, M. J. Wilking, C. Yanagisawa, G. Yang, S. Ito, D. Fukuda, H. Ishino, A. Kibayashi, Y. Koshio, H. Nagata, M. Sakuda, C. Xu, Y. Kuno, D. Wark, F. Di Lodovico, B. Richards, S. M. Sedgwick, R. Tacik, S. B. Kim, A. Cole, L. Thompson, H. Okazawa, Y. Choi, K. Ito, K. Nishijima, M. Koshiba, Y. Suda, M. Yokoyama, R. G. Calland, M. Hartz, K. Martens, M. Murdoch, B. Quilain, C. Simpson, Y. Suzuki, M. R. Vagins, D. Hamabe, M. Kuze, Y. Okajima, T. Yoshida, M. Ishitsuka, J. F. Martin, C. M. Nantais, H. A. Tanaka, T. Towstego, A. Konaka, S. Chen, L. Wan, Y. Zhang, A. Minamino, R. J. Wilkes

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Abstract

Using 5326 days of atmospheric neutrino data, a search for atmospheric tau neutrino appearance has been performed in the Super-Kamiokande experiment. Super-Kamiokande measures the tau normalization to be 1.47±0.32 under the assumption of normal neutrino hierarchy, relative to the expectation of unity with neutrino oscillation. The result excludes the hypothesis of no-tau appearance with a significance level of 4.6σ. The inclusive charged-current tau neutrino cross section averaged by the tau neutrino flux at Super-Kamiokande is measured to be (0.94±0.20)×10-38 cm2. The measurement is consistent with the Standard Model prediction, agreeing to within 1.5σ.

Original languageEnglish
Article number052006
JournalPhysical Review D
Volume98
Issue number5
DOIs
Publication statusPublished - 2018 Sep 13
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Li, Z., Abe, K., Bronner, C., Hayato, Y., Ikeda, M., Iyogi, K., Kameda, J., Kato, Y., Kishimoto, Y., Marti, L., Miura, M., Moriyama, S., Nakahata, M., Nakajima, Y., Nakano, Y., Nakayama, S., Orii, A., Pronost, G., Sekiya, H., ... Wilkes, R. J. (2018). Measurement of the tau neutrino cross section in atmospheric neutrino oscillations with Super-Kamiokande. Physical Review D, 98(5), [052006]. https://doi.org/10.1103/PhysRevD.98.052006