Search for dinucleon decay into pions at Super-Kamiokande

J. Gustafson; K. Abe; Y. Haga; Y. Hayato; M. Ikeda; K. Iyogi; J. Kameda; Y. Kishimoto; M. Miura; S. Moriyama; M. Nakahata; T. Nakajima; Y. Nakano; S. Nakayama; A. Orii; H. Sekiya; M. Shiozawa; A. Takeda; H. Tanaka; T. Tomura; R. A. Wendell; T. Irvine; T. Kajita; I. Kametani; K. Kaneyuki; Y. Nishimura; E. Richard; K. Okumura; L. Labarga; P. Fernandez; S. Berkman; H. A. Tanaka; S. Tobayama; E. Kearns; J. L. Raaf; J. L. Stone; L. R. Sulak; M. Goldhaber; G. Carminati; W. R. Kropp; S. Mine; P. Weatherly; A. Renshaw; M. B. Smy; H. W. Sobel; V. Takhistov; K. S. Ganezer; B. L. Hartfiel; J. Hill; N. Hong; J. Y. Kim; I. T. Lim; T. Akiri; A. Himmel; K. Scholberg; C. W. Walter; T. Wongjirad; T. Ishizuka; S. Tasaka; J. S. Jang; J. G. Learned; S. Matsuno; S. N. Smith; T. Hasegawa; T. Ishida; T. Ishii; T. Kobayashi; T. Nakadaira; K. Nakamura; Y. Oyama; K. Sakashita; T. Sekiguchi; T. Tsukamoto; A. T. Suzuki; Y. Takeuchi; T. Yano; S. Hirota; K. Huang; K. Ieki; T. Kikawa; A. Minamino; T. Nakaya; K. Suzuki; S. Takahashi; Y. Fukuda; K. Choi; Y. Itow; G. Mitsuka; T. Suzuki; P. Mijakowski; J. Hignight; J. Imber; C. K. Jung; J. L. Palomino; C. Yanagisawa; H. Ishino; T. Kayano; A. Kibayashi; Y. Koshio; T. Mori; Makoto Sakuda; Y. Kuno; R. Tacik; S. B. Kim; H. Okazawa; Y. Choi; K. Nishijima; M. Koshiba; Y. Suda; Y. Totsuka; M. Yokoyama; C. Bronner; K. Martens; Ll Marti; Y. Suzuki; M. R. Vagins; J. F. Martin; P. De Perio; A. Konaka; M. J. Wilking; S. Chen; Y. Zhang; R. J. Wilkes

doi:10.1103/PhysRevD.91.072009

Search for dinucleon decay into pions at Super-Kamiokande

J. Gustafson, K. Abe, Y. Haga, Y. Hayato, M. Ikeda, K. Iyogi, J. Kameda, Y. Kishimoto, M. Miura, S. Moriyama, M. Nakahata, T. Nakajima, Y. Nakano, S. Nakayama, A. Orii, H. Sekiya, M. Shiozawa, A. Takeda, H. Tanaka, T. TomuraR. A. Wendell, T. Irvine, T. Kajita, I. Kametani, K. Kaneyuki, Y. Nishimura, E. Richard, K. Okumura, L. Labarga, P. Fernandez, S. Berkman, H. A. Tanaka, S. Tobayama, E. Kearns, J. L. Raaf, J. L. Stone, L. R. Sulak, M. Goldhaber, G. Carminati, W. R. Kropp, S. Mine, P. Weatherly, A. Renshaw, M. B. Smy, H. W. Sobel, V. Takhistov, K. S. Ganezer, B. L. Hartfiel, J. Hill, N. Hong, J. Y. Kim, I. T. Lim, T. Akiri, A. Himmel, K. Scholberg, C. W. Walter, T. Wongjirad, T. Ishizuka, S. Tasaka, J. S. Jang, J. G. Learned, S. Matsuno, S. N. Smith, T. Hasegawa, T. Ishida, T. Ishii, T. Kobayashi, T. Nakadaira, K. Nakamura, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, A. T. Suzuki, Y. Takeuchi, T. Yano, S. Hirota, K. Huang, K. Ieki, T. Kikawa, A. Minamino, T. Nakaya, K. Suzuki, S. Takahashi, Y. Fukuda, K. Choi, Y. Itow, G. Mitsuka, T. Suzuki, P. Mijakowski, J. Hignight, J. Imber, C. K. Jung, J. L. Palomino, C. Yanagisawa, H. Ishino, T. Kayano, A. Kibayashi, Y. Koshio, T. Mori, Makoto Sakuda, Y. Kuno, R. Tacik, S. B. Kim, H. Okazawa, Y. Choi, K. Nishijima, M. Koshiba, Y. Suda, Y. Totsuka, M. Yokoyama, C. Bronner, K. Martens, Ll Marti, Y. Suzuki, M. R. Vagins, J. F. Martin, P. De Perio, A. Konaka, M. J. Wilking, S. Chen, Y. Zhang, R. J. Wilkes

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Abstract

A search for dinucleon decay into pions with the Super-Kamiokande detector has been performed with an exposure of 282.1 kiloton-years. Dinucleon decay is a process that violates baryon number by two units. We present the first search for dinucleon decay to pions in a large water-Cherenkov detector. The modes O16(pp)→C14π+π+, O16(pn)→N14π+π0, and O16(nn)→O14π0π0 are investigated. No significant excess in the Super-Kamiokande data has been found, so a lower limit on the lifetime of the process per oxygen nucleus is determined. These limits are τpp→π+π+>7.22×1031years, τpn→π+π0>1.70×1032years, and τnn→π0π0>4.04×1032years. The lower limits on each mode are about 2 orders of magnitude better than previous limits from searches for dinucleon decay in iron.

Original language	English
Article number	072009
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	91
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.91.072009
Publication status	Published - Apr 28 2015

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.91.072009

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Gustafson, J., Abe, K., Haga, Y., Hayato, Y., Ikeda, M., Iyogi, K., Kameda, J., Kishimoto, Y., Miura, M., Moriyama, S., Nakahata, M., Nakajima, T., Nakano, Y., Nakayama, S., Orii, A., Sekiya, H., Shiozawa, M., Takeda, A., Tanaka, H., ... Wilkes, R. J. (2015). Search for dinucleon decay into pions at Super-Kamiokande. Physical Review D - Particles, Fields, Gravitation and Cosmology, 91(7), [072009]. https://doi.org/10.1103/PhysRevD.91.072009

Gustafson, J, Abe, K, Haga, Y, Hayato, Y, Ikeda, M, Iyogi, K, Kameda, J, Kishimoto, Y, Miura, M, Moriyama, S, Nakahata, M, Nakajima, T, Nakano, Y, Nakayama, S, Orii, A, Sekiya, H, Shiozawa, M, Takeda, A, Tanaka, H, Tomura, T, Wendell, RA, Irvine, T, Kajita, T, Kametani, I, Kaneyuki, K, Nishimura, Y, Richard, E, Okumura, K, Labarga, L, Fernandez, P, Berkman, S, Tanaka, HA, Tobayama, S, Kearns, E, Raaf, JL, Stone, JL, Sulak, LR, Goldhaber, M, Carminati, G, Kropp, WR, Mine, S, Weatherly, P, Renshaw, A, Smy, MB, Sobel, HW, Takhistov, V, Ganezer, KS, Hartfiel, BL, Hill, J, Hong, N, Kim, JY, Lim, IT, Akiri, T, Himmel, A, Scholberg, K, Walter, CW, Wongjirad, T, Ishizuka, T, Tasaka, S, Jang, JS, Learned, JG, Matsuno, S, Smith, SN, Hasegawa, T, Ishida, T, Ishii, T, Kobayashi, T, Nakadaira, T, Nakamura, K, Oyama, Y, Sakashita, K, Sekiguchi, T, Tsukamoto, T, Suzuki, AT, Takeuchi, Y, Yano, T, Hirota, S, Huang, K, Ieki, K, Kikawa, T, Minamino, A, Nakaya, T, Suzuki, K, Takahashi, S, Fukuda, Y, Choi, K, Itow, Y, Mitsuka, G, Suzuki, T, Mijakowski, P, Hignight, J, Imber, J, Jung, CK, Palomino, JL, Yanagisawa, C, Ishino, H, Kayano, T, Kibayashi, A, Koshio, Y, Mori, T, Sakuda, M, Kuno, Y, Tacik, R, Kim, SB, Okazawa, H, Choi, Y, Nishijima, K, Koshiba, M, Suda, Y, Totsuka, Y, Yokoyama, M, Bronner, C, Martens, K, Marti, L, Suzuki, Y, Vagins, MR, Martin, JF, De Perio, P, Konaka, A, Wilking, MJ, Chen, S, Zhang, Y & Wilkes, RJ 2015, 'Search for dinucleon decay into pions at Super-Kamiokande', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 91, no. 7, 072009. https://doi.org/10.1103/PhysRevD.91.072009

@article{c4ca4ed3272a46db85813cf53cb89e60,

title = "Search for dinucleon decay into pions at Super-Kamiokande",

abstract = "A search for dinucleon decay into pions with the Super-Kamiokande detector has been performed with an exposure of 282.1 kiloton-years. Dinucleon decay is a process that violates baryon number by two units. We present the first search for dinucleon decay to pions in a large water-Cherenkov detector. The modes O16(pp)→C14π+π+, O16(pn)→N14π+π0, and O16(nn)→O14π0π0 are investigated. No significant excess in the Super-Kamiokande data has been found, so a lower limit on the lifetime of the process per oxygen nucleus is determined. These limits are τpp→π+π+>7.22×1031years, τpn→π+π0>1.70×1032years, and τnn→π0π0>4.04×1032years. The lower limits on each mode are about 2 orders of magnitude better than previous limits from searches for dinucleon decay in iron.",

author = "J. Gustafson and K. Abe and Y. Haga and Y. Hayato and M. Ikeda and K. Iyogi and J. Kameda and Y. Kishimoto and M. Miura and S. Moriyama and M. Nakahata and T. Nakajima and Y. Nakano and S. Nakayama and A. Orii and H. Sekiya and M. Shiozawa and A. Takeda and H. Tanaka and T. Tomura and Wendell, {R. A.} and T. Irvine and T. Kajita and I. Kametani and K. Kaneyuki and Y. Nishimura and E. Richard and K. Okumura and L. Labarga and P. Fernandez and S. Berkman and Tanaka, {H. A.} and S. Tobayama and E. Kearns and Raaf, {J. L.} and Stone, {J. L.} and Sulak, {L. R.} and M. Goldhaber and G. Carminati and Kropp, {W. R.} and S. Mine and P. Weatherly and A. Renshaw and Smy, {M. B.} and Sobel, {H. W.} and V. Takhistov and Ganezer, {K. S.} and Hartfiel, {B. L.} and J. Hill and N. Hong and Kim, {J. Y.} and Lim, {I. T.} and T. Akiri and A. Himmel and K. Scholberg and Walter, {C. W.} and T. Wongjirad and T. Ishizuka and S. Tasaka and Jang, {J. S.} and Learned, {J. G.} and S. Matsuno and Smith, {S. N.} and T. Hasegawa and T. Ishida and T. Ishii and T. Kobayashi and T. Nakadaira and K. Nakamura and Y. Oyama and K. Sakashita and T. Sekiguchi and T. Tsukamoto and Suzuki, {A. T.} and Y. Takeuchi and T. Yano and S. Hirota and K. Huang and K. Ieki and T. Kikawa and A. Minamino and T. Nakaya and K. Suzuki and S. Takahashi and Y. Fukuda and K. Choi and Y. Itow and G. Mitsuka and T. Suzuki and P. Mijakowski and J. Hignight and J. Imber and Jung, {C. K.} and Palomino, {J. L.} and C. Yanagisawa and H. Ishino and T. Kayano and A. Kibayashi and Y. Koshio and T. Mori and Makoto Sakuda and Y. Kuno and R. Tacik and Kim, {S. B.} and H. Okazawa and Y. Choi and K. Nishijima and M. Koshiba and Y. Suda and Y. Totsuka and M. Yokoyama and C. Bronner and K. Martens and Ll Marti and Y. Suzuki and Vagins, {M. R.} and Martin, {J. F.} and {De Perio}, P. and A. Konaka and Wilking, {M. J.} and S. Chen and Y. Zhang and Wilkes, {R. J.}",

note = "Publisher Copyright: {\textcopyright} 2015 American Physical Society.",

year = "2015",

month = apr,

day = "28",

doi = "10.1103/PhysRevD.91.072009",

language = "English",

volume = "91",

journal = "Physical Review D",

issn = "0556-2821",

number = "7",

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TY - JOUR

T1 - Search for dinucleon decay into pions at Super-Kamiokande

AU - Gustafson, J.

AU - Abe, K.

AU - Haga, Y.

AU - Hayato, Y.

AU - Ikeda, M.

AU - Iyogi, K.

AU - Kameda, J.

AU - Kishimoto, Y.

AU - Miura, M.

AU - Moriyama, S.

AU - Nakahata, M.

AU - Nakajima, T.

AU - Nakano, Y.

AU - Nakayama, S.

AU - Orii, A.

AU - Sekiya, H.

AU - Shiozawa, M.

AU - Takeda, A.

AU - Tanaka, H.

AU - Tomura, T.

AU - Wendell, R. A.

AU - Irvine, T.

AU - Kajita, T.

AU - Kametani, I.

AU - Kaneyuki, K.

AU - Nishimura, Y.

AU - Richard, E.

AU - Okumura, K.

AU - Labarga, L.

AU - Fernandez, P.

AU - Berkman, S.

AU - Tanaka, H. A.

AU - Tobayama, S.

AU - Kearns, E.

AU - Raaf, J. L.

AU - Stone, J. L.

AU - Sulak, L. R.

AU - Goldhaber, M.

AU - Carminati, G.

AU - Kropp, W. R.

AU - Mine, S.

AU - Weatherly, P.

AU - Renshaw, A.

AU - Smy, M. B.

AU - Sobel, H. W.

AU - Takhistov, V.

AU - Ganezer, K. S.

AU - Hartfiel, B. L.

AU - Hill, J.

AU - Hong, N.

AU - Kim, J. Y.

AU - Lim, I. T.

AU - Akiri, T.

AU - Himmel, A.

AU - Scholberg, K.

AU - Walter, C. W.

AU - Wongjirad, T.

AU - Ishizuka, T.

AU - Tasaka, S.

AU - Jang, J. S.

AU - Learned, J. G.

AU - Matsuno, S.

AU - Smith, S. N.

AU - Hasegawa, T.

AU - Ishida, T.

AU - Ishii, T.

AU - Kobayashi, T.

AU - Nakadaira, T.

AU - Nakamura, K.

AU - Oyama, Y.

AU - Sakashita, K.

AU - Sekiguchi, T.

AU - Tsukamoto, T.

AU - Suzuki, A. T.

AU - Takeuchi, Y.

AU - Yano, T.

AU - Hirota, S.

AU - Huang, K.

AU - Ieki, K.

AU - Kikawa, T.

AU - Minamino, A.

AU - Nakaya, T.

AU - Suzuki, K.

AU - Takahashi, S.

AU - Fukuda, Y.

AU - Choi, K.

AU - Itow, Y.

AU - Mitsuka, G.

AU - Suzuki, T.

AU - Mijakowski, P.

AU - Hignight, J.

AU - Imber, J.

AU - Jung, C. K.

AU - Palomino, J. L.

AU - Yanagisawa, C.

AU - Ishino, H.

AU - Kayano, T.

AU - Kibayashi, A.

AU - Koshio, Y.

AU - Mori, T.

AU - Sakuda, Makoto

AU - Kuno, Y.

AU - Tacik, R.

AU - Kim, S. B.

AU - Okazawa, H.

AU - Choi, Y.

AU - Nishijima, K.

AU - Koshiba, M.

AU - Suda, Y.

AU - Totsuka, Y.

AU - Yokoyama, M.

AU - Bronner, C.

AU - Martens, K.

AU - Marti, Ll

AU - Suzuki, Y.

AU - Vagins, M. R.

AU - Martin, J. F.

AU - De Perio, P.

AU - Konaka, A.

AU - Wilking, M. J.

AU - Chen, S.

AU - Zhang, Y.

AU - Wilkes, R. J.

PY - 2015/4/28

Y1 - 2015/4/28

N2 - A search for dinucleon decay into pions with the Super-Kamiokande detector has been performed with an exposure of 282.1 kiloton-years. Dinucleon decay is a process that violates baryon number by two units. We present the first search for dinucleon decay to pions in a large water-Cherenkov detector. The modes O16(pp)→C14π+π+, O16(pn)→N14π+π0, and O16(nn)→O14π0π0 are investigated. No significant excess in the Super-Kamiokande data has been found, so a lower limit on the lifetime of the process per oxygen nucleus is determined. These limits are τpp→π+π+>7.22×1031years, τpn→π+π0>1.70×1032years, and τnn→π0π0>4.04×1032years. The lower limits on each mode are about 2 orders of magnitude better than previous limits from searches for dinucleon decay in iron.

AB - A search for dinucleon decay into pions with the Super-Kamiokande detector has been performed with an exposure of 282.1 kiloton-years. Dinucleon decay is a process that violates baryon number by two units. We present the first search for dinucleon decay to pions in a large water-Cherenkov detector. The modes O16(pp)→C14π+π+, O16(pn)→N14π+π0, and O16(nn)→O14π0π0 are investigated. No significant excess in the Super-Kamiokande data has been found, so a lower limit on the lifetime of the process per oxygen nucleus is determined. These limits are τpp→π+π+>7.22×1031years, τpn→π+π0>1.70×1032years, and τnn→π0π0>4.04×1032years. The lower limits on each mode are about 2 orders of magnitude better than previous limits from searches for dinucleon decay in iron.

UR - http://www.scopus.com/inward/record.url?scp=84929119558&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84929119558&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.91.072009

DO - 10.1103/PhysRevD.91.072009

M3 - Article

AN - SCOPUS:84929119558

SN - 0556-2821

VL - 91

JO - Physical Review D

JF - Physical Review D

IS - 7

M1 - 072009

ER -

Search for dinucleon decay into pions at Super-Kamiokande

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