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  • Takhistov, V; Abe, K; Hayato, Y; Ikeda, M; Iyogi, K; Kameda, J; Miura, M; Moriyama, S; Nakahata, M; Nakayama, S; Sekiya, H; Shiozawa, M; Suzuki, Y; Takeda, A; Tanaka, H; Tomura, T; Ueno, K; Wendell, R A; Irvine, T; Kametani, I; Kaneyuki, K; Lee, K P; Nishimura, Y; Richard, E; Labarga, L; Fernandez, P; Berkman, S; Tanaka, H A; Tobayama, S; Gustafson, J; Kearns, E; Raaf, J L; Stone, J L; Sulak, L R; Goldhaber, M; Carminati, G; Kropp, W R; Mine, S; Weatherly, P; Renshaw, A; Smy, M B; Ganezer, K S; Hartfiel, B L; Hill, J; Keig, W E; Hong, N; Akiri, T; Himmel, A; Scholberg, K; Walter, C W; Wongjirad, T; Ishizuka, T; Tasaka, S; Jang, J S; Learned, J G; Matsuno, S; Hasegawa, T; Ishida, T; Ishii, T; Kobayashi, T; Nakadaira, T; Nakamura, K; Sekiguchi, T; Tsukamoto, T; Suzuki, A T; Takeuchi, Y; Bronner, C; Huang, K; Kikawa, T; Minamino, A; Murakami, A; Nakaya, T; Choi, K; Itow, Y; Mijakowski, P; Hignight, J; Imber, J; Ishino, H; Kibayashi, A; Mori, T; Sakuda, M; Yamaguchi, R; Yano, T; Kuno, Y; Kim, S B; Okazawa, H; Choi, Y; Koshiba, M; Suda, Y; Totsuka, Y; Yokoyama, M; Martens, K; Vagins, M R; de Perio, P; Konaka, A; Wilking, M J; Chen, S; Zhang, Y; Connolly, K; Wilkes, R J

    Physical review letters, 2014-Sep-05, Letnik: 113, Številka: 10
    Journal Article

    The trilepton nucleon decay modes p→e+νν and p→μ+νν violate |Δ(B-L)| by two units. Using data from a 273.4 kt yr exposure of Super-Kamiokande a search for these decays yields a fit consistent with no signal. Accordingly, lower limits on the partial lifetimes of τp→e+νν>1.7×10(32) years and τp→μ+νν>2.2×10(32) years at a 90% confidence level are obtained. These limits can constrain Grand Unified Theories which allow for such processes.