Search for proton decay through p → ¯νK+ in a large water cherenkov detector

Y. Hayato; M. Earl; Y. Fukuda; T. Hayakawa; K. Inoue; K. Ishihara; H. Ishino; Y. Itow; T. Kajita; J. Kameda; S. Kasuga; K. Kobayashi; Y. Kobayashi; Y. Koshio; M. Miura; M. Nakahata; S. Nakayama; Y. Obayashi; A. Okada; K. Okumura; N. Sakurai; M. Shiozawa; Y. Suzuki; H. Takeuchi; Y. Takeuchi; Y. Totsuka; S. Yamada; A. Habig; E. Kearns; M. D. Messier; K. Scholberg; J. L. Stone; L. R. Sulak; C. W. Walter; M. Goldhaber; T. Barszczak; D. Casper; W. Gajewski; W. R. Kropp; S. Mine; L. R. Price; M. Smy; H. W. Sobel; M. R. Vagins; K. S. Ganezer; W. E. Keig; R. W. Ellsworth; S. Tasaka; A. Kibayashi; J. G. Learned; S. Matsuno; V. J. Stenger; D. Takemori; T. Ishii; J. Kanzaki; T. Kobayashi; K. Nakamura; K. Nishikawa; Y. Oyama; A. Sakai; M. Sakuda; O. Sasaki; S. Echigo; M. Kohama; A. T. Suzuki; T. J. Haines; E. Blaufuss; B. K. Kim; R. Sanford; R. Svoboda; M. L. Chen; J. A. Goodman; G. W. Sullivan; J. Hill; C. K. Jung; K. Martens; C. Mauger; C. McGrew; E. Sharkey; B. Viren; C. Yanagisawa; W. Doki; M. Kirisawa; S. Inaba; K. Miyano; H. Okazawa; C. Saji; M. Takahashi; M. Takahata; K. Higuchi; Y. Nagashima; M. Takita; T. Yamaguchi; M. Yoshida; S. B. Kim; M. Eton; A. Hasegawa; T. Hasegawa; S. Hatakeyama; T. Iwamoto; M. Koga; T. Maruyama; H. Ogawa; J. Shirai; A. Suzuki; F. Tsushima; M. Koshiba; Y. Hatakeyama; M. Koike; M. Nemoto; K. Nishijima; H. Fujiyasu; T. Futagami; Y. Kanaya; K. Kaneyuki; Y. Watanabe; D. Kielczewska; J. S. George; A. L. Stachyra; L. L. Wai; R. J. Wilkes; K. K. Young

doi:10.1103/PhysRevLett.83.1529

Search for proton decay through p → ¯νK⁺ in a large water cherenkov detector

Y. Hayato, M. Earl, Y. Fukuda, T. Hayakawa, K. Inoue, K. Ishihara, H. Ishino, Y. Itow, T. Kajita, J. Kameda, S. Kasuga, K. Kobayashi, Y. Kobayashi, Y. Koshio, M. Miura, M. Nakahata, S. Nakayama, Y. Obayashi, A. Okada, K. OkumuraN. Sakurai, M. Shiozawa, Y. Suzuki, H. Takeuchi, Y. Takeuchi, Y. Totsuka, S. Yamada, A. Habig, E. Kearns, M. D. Messier, K. Scholberg, J. L. Stone, L. R. Sulak, C. W. Walter, M. Goldhaber, T. Barszczak, D. Casper, W. Gajewski, W. R. Kropp, S. Mine, L. R. Price, M. Smy, H. W. Sobel, M. R. Vagins, K. S. Ganezer, W. E. Keig, R. W. Ellsworth, S. Tasaka, A. Kibayashi, J. G. Learned, S. Matsuno, V. J. Stenger, D. Takemori, T. Ishii, J. Kanzaki, T. Kobayashi, K. Nakamura, K. Nishikawa, Y. Oyama, A. Sakai, M. Sakuda, O. Sasaki, S. Echigo, M. Kohama, A. T. Suzuki, T. J. Haines, E. Blaufuss, B. K. Kim, R. Sanford, R. Svoboda, M. L. Chen, J. A. Goodman, G. W. Sullivan, J. Hill, C. K. Jung, K. Martens, C. Mauger, C. McGrew, E. Sharkey, B. Viren, C. Yanagisawa, W. Doki, M. Kirisawa, S. Inaba, K. Miyano, H. Okazawa, C. Saji, M. Takahashi, M. Takahata, K. Higuchi, Y. Nagashima, M. Takita, T. Yamaguchi, M. Yoshida, S. B. Kim, M. Eton, A. Hasegawa, T. Hasegawa, S. Hatakeyama, T. Iwamoto, M. Koga, T. Maruyama, H. Ogawa, J. Shirai, A. Suzuki, F. Tsushima, M. Koshiba, Y. Hatakeyama, M. Koike, M. Nemoto, K. Nishijima, H. Fujiyasu, T. Futagami, Y. Kanaya, K. Kaneyuki, Y. Watanabe, D. Kielczewska, J. S. George, A. L. Stachyra, L. L. Wai, R. J. Wilkes, K. K. Young

Physics & Astronomy (Duluth)

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Abstract

We present results of a search for proton decays, p → ¯νK⁺, using data from a 33kt?yr exposure of the Super-Kamiokande detector. Two decay modes of the kaon, K⁺ → µ⁺ν_µ and K⁺ → π⁺π⁰, were studied. The data were consistent with the background expected from atmospheric neutrinos; therefore a lower limit on the partial lifetime of the proton τ/B(p → ¯νK⁺) was found to be 6.7 × 10³² years at 90% confidence level.

Original language	English (US)
Pages (from-to)	1529-1533
Number of pages	5
Journal	Physical review letters
Volume	83
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.83.1529
State	Published - 1999

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Hayato, Y., Earl, M., Fukuda, Y., Hayakawa, T., Inoue, K., Ishihara, K., Ishino, H., Itow, Y., Kajita, T., Kameda, J., Kasuga, S., Kobayashi, K., Kobayashi, Y., Koshio, Y., Miura, M., Nakahata, M., Nakayama, S., Obayashi, Y., Okada, A., ... Young, K. K. (1999). Search for proton decay through p → ¯νK⁺ in a large water cherenkov detector. Physical review letters, 83(8), 1529-1533. https://doi.org/10.1103/PhysRevLett.83.1529

Hayato, Y, Earl, M, Fukuda, Y, Hayakawa, T, Inoue, K, Ishihara, K, Ishino, H, Itow, Y, Kajita, T, Kameda, J, Kasuga, S, Kobayashi, K, Kobayashi, Y, Koshio, Y, Miura, M, Nakahata, M, Nakayama, S, Obayashi, Y, Okada, A, Okumura, K, Sakurai, N, Shiozawa, M, Suzuki, Y, Takeuchi, H, Takeuchi, Y, Totsuka, Y, Yamada, S, Habig, A, Kearns, E, Messier, MD, Scholberg, K, Stone, JL, Sulak, LR, Walter, CW, Goldhaber, M, Barszczak, T, Casper, D, Gajewski, W, Kropp, WR, Mine, S, Price, LR, Smy, M, Sobel, HW, Vagins, MR, Ganezer, KS, Keig, WE, Ellsworth, RW, Tasaka, S, Kibayashi, A, Learned, JG, Matsuno, S, Stenger, VJ, Takemori, D, Ishii, T, Kanzaki, J, Kobayashi, T, Nakamura, K, Nishikawa, K, Oyama, Y, Sakai, A, Sakuda, M, Sasaki, O, Echigo, S, Kohama, M, Suzuki, AT, Haines, TJ, Blaufuss, E, Kim, BK, Sanford, R, Svoboda, R, Chen, ML, Goodman, JA, Sullivan, GW, Hill, J, Jung, CK, Martens, K, Mauger, C, McGrew, C, Sharkey, E, Viren, B, Yanagisawa, C, Doki, W, Kirisawa, M, Inaba, S, Miyano, K, Okazawa, H, Saji, C, Takahashi, M, Takahata, M, Higuchi, K, Nagashima, Y, Takita, M, Yamaguchi, T, Yoshida, M, Kim, SB, Eton, M, Hasegawa, A, Hasegawa, T, Hatakeyama, S, Iwamoto, T, Koga, M, Maruyama, T, Ogawa, H, Shirai, J, Suzuki, A, Tsushima, F, Koshiba, M, Hatakeyama, Y, Koike, M, Nemoto, M, Nishijima, K, Fujiyasu, H, Futagami, T, Kanaya, Y, Kaneyuki, K, Watanabe, Y, Kielczewska, D, George, JS, Stachyra, AL, Wai, LL, Wilkes, RJ & Young, KK 1999, 'Search for proton decay through p → ¯νK⁺ in a large water cherenkov detector', Physical review letters, vol. 83, no. 8, pp. 1529-1533. https://doi.org/10.1103/PhysRevLett.83.1529

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title = "Search for proton decay through p → ¯νK+ in a large water cherenkov detector",

abstract = "We present results of a search for proton decays, p → ¯νK+, using data from a 33kt?yr exposure of the Super-Kamiokande detector. Two decay modes of the kaon, K+ → µ+νµ and K+ → π+π0, were studied. The data were consistent with the background expected from atmospheric neutrinos; therefore a lower limit on the partial lifetime of the proton τ/B(p → ¯νK+) was found to be 6.7 × 1032 years at 90% confidence level.",

author = "Y. Hayato and M. Earl and Y. Fukuda and T. Hayakawa and K. Inoue and K. Ishihara and H. Ishino and Y. Itow and T. Kajita and J. Kameda and S. Kasuga and K. Kobayashi and Y. Kobayashi and Y. Koshio and M. Miura and M. Nakahata and S. Nakayama and Y. Obayashi and A. Okada and K. Okumura and N. Sakurai and M. Shiozawa and Y. Suzuki and H. Takeuchi and Y. Takeuchi and Y. Totsuka and S. Yamada and A. Habig and E. Kearns and Messier, {M. D.} and K. Scholberg and Stone, {J. L.} and Sulak, {L. R.} and Walter, {C. W.} and M. Goldhaber and T. Barszczak and D. Casper and W. Gajewski and Kropp, {W. R.} and S. Mine and Price, {L. R.} and M. Smy and Sobel, {H. W.} and Vagins, {M. R.} and Ganezer, {K. S.} and Keig, {W. E.} and Ellsworth, {R. W.} and S. Tasaka and A. Kibayashi and Learned, {J. G.} and S. Matsuno and Stenger, {V. J.} and D. Takemori and T. Ishii and J. Kanzaki and T. Kobayashi and K. Nakamura and K. Nishikawa and Y. Oyama and A. Sakai and M. Sakuda and O. Sasaki and S. Echigo and M. Kohama and Suzuki, {A. T.} and Haines, {T. J.} and E. Blaufuss and Kim, {B. K.} and R. Sanford and R. Svoboda and Chen, {M. L.} and Goodman, {J. A.} and Sullivan, {G. W.} and J. Hill and Jung, {C. K.} and K. Martens and C. Mauger and C. McGrew and E. Sharkey and B. Viren and C. Yanagisawa and W. Doki and M. Kirisawa and S. Inaba and K. Miyano and H. Okazawa and C. Saji and M. Takahashi and M. Takahata and K. Higuchi and Y. Nagashima and M. Takita and T. Yamaguchi and M. Yoshida and Kim, {S. B.} and M. Eton and A. Hasegawa and T. Hasegawa and S. Hatakeyama and T. Iwamoto and M. Koga and T. Maruyama and H. Ogawa and J. Shirai and A. Suzuki and F. Tsushima and M. Koshiba and Y. Hatakeyama and M. Koike and M. Nemoto and K. Nishijima and H. Fujiyasu and T. Futagami and Y. Kanaya and K. Kaneyuki and Y. Watanabe and D. Kielczewska and George, {J. S.} and Stachyra, {A. L.} and Wai, {L. L.} and Wilkes, {R. J.} and Young, {K. K.}",

year = "1999",

doi = "10.1103/PhysRevLett.83.1529",

language = "English (US)",

volume = "83",

pages = "1529--1533",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "8",

}

TY - JOUR

T1 - Search for proton decay through p → ¯νK+ in a large water cherenkov detector

AU - Hayato, Y.

AU - Earl, M.

AU - Fukuda, Y.

AU - Hayakawa, T.

AU - Inoue, K.

AU - Ishihara, K.

AU - Ishino, H.

AU - Itow, Y.

AU - Kajita, T.

AU - Kameda, J.

AU - Kasuga, S.

AU - Kobayashi, K.

AU - Kobayashi, Y.

AU - Koshio, Y.

AU - Miura, M.

AU - Nakahata, M.

AU - Nakayama, S.

AU - Obayashi, Y.

AU - Okada, A.

AU - Okumura, K.

AU - Sakurai, N.

AU - Shiozawa, M.

AU - Suzuki, Y.

AU - Takeuchi, H.

AU - Takeuchi, Y.

AU - Totsuka, Y.

AU - Yamada, S.

AU - Habig, A.

AU - Kearns, E.

AU - Messier, M. D.

AU - Scholberg, K.

AU - Stone, J. L.

AU - Sulak, L. R.

AU - Walter, C. W.

AU - Goldhaber, M.

AU - Barszczak, T.

AU - Casper, D.

AU - Gajewski, W.

AU - Kropp, W. R.

AU - Mine, S.

AU - Price, L. R.

AU - Smy, M.

AU - Sobel, H. W.

AU - Vagins, M. R.

AU - Ganezer, K. S.

AU - Keig, W. E.

AU - Ellsworth, R. W.

AU - Tasaka, S.

AU - Kibayashi, A.

AU - Learned, J. G.

AU - Matsuno, S.

AU - Stenger, V. J.

AU - Takemori, D.

AU - Ishii, T.

AU - Kanzaki, J.

AU - Kobayashi, T.

AU - Nakamura, K.

AU - Nishikawa, K.

AU - Oyama, Y.

AU - Sakai, A.

AU - Sakuda, M.

AU - Sasaki, O.

AU - Echigo, S.

AU - Kohama, M.

AU - Suzuki, A. T.

AU - Haines, T. J.

AU - Blaufuss, E.

AU - Kim, B. K.

AU - Sanford, R.

AU - Svoboda, R.

AU - Chen, M. L.

AU - Goodman, J. A.

AU - Sullivan, G. W.

AU - Hill, J.

AU - Jung, C. K.

AU - Martens, K.

AU - Mauger, C.

AU - McGrew, C.

AU - Sharkey, E.

AU - Viren, B.

AU - Yanagisawa, C.

AU - Doki, W.

AU - Kirisawa, M.

AU - Inaba, S.

AU - Miyano, K.

AU - Okazawa, H.

AU - Saji, C.

AU - Takahashi, M.

AU - Takahata, M.

AU - Higuchi, K.

AU - Nagashima, Y.

AU - Takita, M.

AU - Yamaguchi, T.

AU - Yoshida, M.

AU - Kim, S. B.

AU - Eton, M.

AU - Hasegawa, A.

AU - Hasegawa, T.

AU - Hatakeyama, S.

AU - Iwamoto, T.

AU - Koga, M.

AU - Maruyama, T.

AU - Ogawa, H.

AU - Shirai, J.

AU - Suzuki, A.

AU - Tsushima, F.

AU - Koshiba, M.

AU - Hatakeyama, Y.

AU - Koike, M.

AU - Nemoto, M.

AU - Nishijima, K.

AU - Fujiyasu, H.

AU - Futagami, T.

AU - Kanaya, Y.

AU - Kaneyuki, K.

AU - Watanabe, Y.

AU - Kielczewska, D.

AU - George, J. S.

AU - Stachyra, A. L.

AU - Wai, L. L.

AU - Wilkes, R. J.

AU - Young, K. K.

PY - 1999

Y1 - 1999

N2 - We present results of a search for proton decays, p → ¯νK+, using data from a 33kt?yr exposure of the Super-Kamiokande detector. Two decay modes of the kaon, K+ → µ+νµ and K+ → π+π0, were studied. The data were consistent with the background expected from atmospheric neutrinos; therefore a lower limit on the partial lifetime of the proton τ/B(p → ¯νK+) was found to be 6.7 × 1032 years at 90% confidence level.

AB - We present results of a search for proton decays, p → ¯νK+, using data from a 33kt?yr exposure of the Super-Kamiokande detector. Two decay modes of the kaon, K+ → µ+νµ and K+ → π+π0, were studied. The data were consistent with the background expected from atmospheric neutrinos; therefore a lower limit on the partial lifetime of the proton τ/B(p → ¯νK+) was found to be 6.7 × 1032 years at 90% confidence level.

UR - http://www.scopus.com/inward/record.url?scp=4243334926&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=4243334926&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.83.1529

DO - 10.1103/PhysRevLett.83.1529

M3 - Article

AN - SCOPUS:4243334926

SN - 0031-9007

VL - 83

SP - 1529

EP - 1533

JO - Physical review letters

JF - Physical review letters

IS - 8

ER -

Search for proton decay through p → ¯νK⁺ in a large water cherenkov detector

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