Search for nucleon decay via n → ν ¯ π0 and p → ν ¯ π+ in super-kamiokande

K. Abe, Y. Hayato, T. Iida, K. Iyogi, J. Kameda, Y. Koshio, Y. Kozuma, Ll Marti, M. Miura, S. Moriyama, M. Nakahata, S. Nakayama, Y. Obayashi, H. Sekiya, M. Shiozawa, Y. Suzuki, A. Takeda, Y. Takenaga, K. Ueno, K. UeshimaS. Yamada, T. Yokozawa, C. Ishihara, H. Kaji, T. Kajita, K. Kaneyuki, K. P. Lee, T. McLachlan, K. Okumura, Y. Shimizu, N. Tanimoto, L. Labarga, E. Kearns, M. Litos, J. L. Raaf, J. L. Stone, L. R. Sulak, M. Goldhaber, K. Bays, W. R. Kropp, S. Mine, C. Regis, A. Renshaw, M. B. Smy, H. W. Sobel, K. S. Ganezer, J. Hill, W. E. Keig, J. S. Jang, J. Y. Kim, I. T. Lim, J. B. Albert, K. Scholberg, C. W. Walter, R. Wendell, T. M. Wongjirad, T. Ishizuka, S. Tasaka, J. G. Learned, S. Matsuno, S. N. Smith, T. Hasegawa, T. Ishida, T. Ishii, T. Kobayashi, T. Nakadaira, K. Nakamura, K. Nishikawa, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, A. T. Suzuki, Y. Takeuchi, M. Ikeda, A. Minamino, T. Nakaya, Y. Fukuda, Y. Itow, G. Mitsuka, T. Tanaka, C. K. Jung, G. D. Lopez, I. Taylor, C. Yanagisawa, H. Ishino, A. Kibayashi, S. Mino, T. Mori, M. Sakuda, H. Toyota, Y. Kuno, M. Yoshida, S. B. Kim, B. S. Yang, H. Okazawa, Y. Choi, K. Nishijima, M. Koshiba, M. Yokoyama, Y. Totsuka, K. Martens, J. Schuemann, M. R. Vagins, S. Chen, Y. Heng, Z. Yang, H. Zhang, D. Kielczewska, P. Mijakowski, K. Connolly, M. Dziomba, E. Thrane, R. J. Wilkes

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32 Citations (Scopus)

Abstract

We present the results of searches for nucleon decay via n→ν¯π0 and p→ν¯π+ using data from a combined 172.8kt·yr exposure of Super-Kamiokande-I,-II, and-III. We set lower limits on the partial lifetime for each of these modes: τn→ν¯π0>1.1×1033 years and τp→ν¯π+>3.9×1032 years at a 90% confidence level.

Original languageEnglish
Article number121802
JournalPhysical Review Letters
Volume113
Issue number12
DOIs
Publication statusPublished - Sep 19 2014
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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