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Search for Nucleon and Dinucleon Decays with an Invisible Particle and a Charged Lepton in the Final State at the Super-Kamiokande Experimentopen access
- Authors
- Takhistov, V.[Takhistov, V.]; Abe, K.[Abe, K.]; Haga, Y.[Haga, Y.]; Hayato, Y.[Hayato, Y.]; Ikeda, M.[Ikeda, M.]; Iyogi, K.[Iyogi, K.]; Kameda, J.[Kameda, J.]; Kishimoto, Y.[Kishimoto, Y.]; Miura, M.[Miura, M.]; Moriyama, S.[Moriyama, S.]; Nakahata, M.[Nakahata, M.]; Nakajima, T.[Nakajima, T.]; Nakano, Y.[Nakano, Y.]; Nakayama, S.[Nakayama, S.]; Orii, A.[Orii, A.]; Sekiya, H.[Sekiya, H.]; Shiozawa, M.[Shiozawa, M.]; Takeda, A.[Takeda, A.]; Tanaka, H.[Tanaka, H.]; Tomura, T.[Tomura, T.]; Wendell, R.A.[Wendell, R.A.]; Irvine, T.[Irvine, T.]; Kajita, T.[Kajita, T.]; Kametani, I.[Kametani, I.]; Kaneyuki, K.[Kaneyuki, K.]; Nishimura, Y.[Nishimura, Y.]; Richard, E.[Richard, E.]; Okumura, K.[Okumura, K.]; Labarga, L.[Labarga, L.]; Fernandez, P.[Fernandez, P.]; Gustafson, J.[Gustafson, J.]; Kachulis, C.[Kachulis, C.]; Kearns, E.[Kearns, E.]; Raaf, J.L.[Raaf, J.L.]; Stone, J.L.[Stone, J.L.]; Sulak, L.R.[Sulak, L.R.]; Berkman, S.[Berkman, S.]; Nantais, C.M.[Nantais, C.M.]; Tanaka, H.A.[Tanaka, H.A.]; Tobayama, S.[Tobayama, S.]; Goldhaber, M.[Goldhaber, M.]; Carminati, G.[Carminati, G.]; Kropp, W.R.[Kropp, W.R.]; Mine, S.[Mine, S.]; Weatherly, P.[Weatherly, P.]; Renshaw, A.[Renshaw, A.]; Smy, M.B.[Smy, M.B.]; Sobel, H.W.[Sobel, H.W.]; Ganezer, K.S.[Ganezer, K.S.]; Hartfiel, B.L.[Hartfiel, B.L.]; Hill, J.[Hill, J.]; Hong, N.[Hong, N.]; Kim, J.Y.[Kim, J.Y.]; Lim, I.T.[Lim, I.T.]; Himmel, A.[Himmel, A.]; Li, Z.[Li, Z.]; Scholberg, K.[Scholberg, K.]; Walter, C.W.[Walter, C.W.]; Wongjirad, T.[Wongjirad, T.]; Ishizuka, T.[Ishizuka, T.]; Tasaka, S.[Tasaka, S.]; Jang, J.S.[Jang, J.S.]; Learned, J.G.[Learned, J.G.]; Matsuno, S.[Matsuno, S.]; Smith, S.N.[Smith, S.N.]; Friend, M.[Friend, M.]; Hasegawa, T.[Hasegawa, T.]; Ishida, T.[Ishida, T.]; Ishii, T.[Ishii, T.]; Kobayashi, T.[Kobayashi, T.]; Nakadaira, T.[Nakadaira, T.]; Nakamura, K.[Nakamura, K.]; Oyama, Y.[Oyama, Y.]; Sakashita, K.[Sakashita, K.]; Sekiguchi, T.[Sekiguchi, T.]; Tsukamoto, T.[Tsukamoto, T.]; Suzuki, A.T.[Suzuki, A.T.]; Takeuchi, Y.[Takeuchi, Y.]; Yano, T.[Yano, T.]; Hirota, S.[Hirota, S.]; Huang, K.[Huang, K.]; Ieki, K.[Ieki, K.]; Kikawa, T.[Kikawa, T.]; Minamino, A.[Minamino, A.]; Nakaya, T.[Nakaya, T.]; Suzuki, K.[Suzuki, K.]; Takahashi, S.[Takahashi, S.]; Fukuda, Y.[Fukuda, Y.]; Choi, K.[Choi, K.]; Itow, Y.[Itow, Y.]; Suzuki, T.[Suzuki, T.]; Mijakowski, P.[Mijakowski, P.]; Frankiewicz, K.[Frankiewicz, K.]; Hignight, J.[Hignight, J.]; Imber, J.[Imber, J.]; Jung, C.K.[Jung, C.K.]; Li, X.[Li, X.]; Palomino, J.L.[Palomino, J.L.]; Wilking, M.J.[Wilking, M.J.]; Yanagisawa, C.[Yanagisawa, C.]; Ishino, H.[Ishino, H.]; Kayano, T.[Kayano, T.]; Kibayashi, A.[Kibayashi, A.]; Koshio, Y.[Koshio, Y.]; Mori, T.[Mori, T.]; Sakuda, M.[Sakuda, M.]; Kuno, Y.[Kuno, Y.]; Tacik, R.[Tacik, R.]; Kim, S.B.[Kim, S.B.]; Okazawa, H.[Okazawa, H.]; Choi, Y.[Choi, Y.]; Nishijima, K.[Nishijima, K.]; Koshiba, M.[Koshiba, M.]; Suda, Y.[Suda, Y.]; Totsuka, Y.[Totsuka, Y.]; Yokoyama, M.[Yokoyama, M.]; Bronner, C.[Bronner, C.]; Hartz, M.[Hartz, M.]; Martens, K.[Martens, K.]; Marti, Ll.[Marti, Ll.]; Suzuki, Y.[Suzuki, Y.]; Vagins, M.R.[Vagins, M.R.]; Martin, J.F.[Martin, J.F.]; De Perio, P.[De Perio, P.]; Konaka, A.[Konaka, A.]; Chen, S.[Chen, S.]; Zhang, Y.[Zhang, Y.]; Wilkes, R.J.[Wilkes, R.J.]
- Issue Date
- 2015
- Citation
- Physical Review Letters, v.115, no.12
- Journal Title
- Physical Review Letters
- Volume
- 115
- Number
- 12
- Abstract
- Search results for nucleon decays p→e+X, p→μ+X, n→νγ (where X is an invisible, massless particle) as well as dinucleon decays np→e+ν, np→μ+ν, and np→τ+ν in the Super-Kamiokande experiment are presented. Using single-ring data from an exposure of 273.4kton·yr, a search for these decays yields a result consistent with no signal. Accordingly, lower limits on the partial lifetimes of τp→e+X>7.9×1032yr, τp→μ+X>4.1×1032yr, τn→νγ>5.5×1032yr, τnp→e+ν>2.6×1032yr, τnp→μ+ν>2.2×1032yr, and τnp→τ+ν>2.9×1031yr at a 90% confidence level are obtained. Some of these searches are novel. © 2015 American Physical Society. © 2015 American Physical Society.
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