Search for n-n ¯ oscillation in Super-Kamiokande SEARCH FOR n-n ¯ OSCILLATION IN SUPER-⋯ K. ABE et al.

K. Abe; Y. Hayato; T. Iida; K. Ishihara; J. Kameda; Y. Koshio; A. Minamino; C. Mitsuda; M. Miura; S. Moriyama; M. Nakahata; Y. Obayashi; H. Ogawa; H. Sekiya; M. Shiozawa; Y. Suzuki; A. Takeda; Y. Takeuchi; K. Ueshima; H. Watanabe; I. Higuchi; C. Ishihara; M. Ishitsuka; T. Kajita; K. Kaneyuki; G. Mitsuka; S. Nakayama; H. Nishino; K. Okumura; C. Saji; Y. Takenaga; S. Clark; S. Desai; F. Dufour; A. Herfurth; E. Kearns; S. Likhoded; M. Litos; J. L. Raaf; J. L. Stone; L. R. Sulak; W. Wang; M. Goldhaber; D. Casper; J. P. Cravens; J. Dunmore; J. Griskevich; W. R. Kropp; D. W. Liu; S. Mine; C. Regis; M. B. Smy; H. W. Sobel; M. R. Vagins; K. S. Ganezer; B. Hartfiel; J. Hill; W. E. Keig; J. S. Jang; I. S. Jeoung; J. Y. Kim; I. T. Lim; K. Scholberg; N. Tanimoto; C. W. Walter; R. Wendell; R. W. Ellsworth; S. Tasaka; G. Guillian; J. G. Learned; S. Matsuno; M. D. Messier; A. K. Ichikawa; T. Ishida; T. Ishii; T. Iwashita; T. Kobayashi; T. Nakadaira; K. Nakamura; K. Nishikawa; K. Nitta; Y. Oyama; A. T. Suzuki; M. Hasegawa; H. Maesaka; T. Nakaya; T. Sasaki; H. Sato; H. Tanaka; S. Yamamoto; M. Yokoyama; T. J. Haines; S. Dazeley; S. Hatakeyama; R. Svoboda; G. W. Sullivan; R. Gran; A. Habig; Y. Fukuda; Y. Itow; T. Koike; C. K. Jung; T. Kato; K. Kobayashi; C. McGrew; A. Sarrat; R. Terri; C. Yanagisawa; N. Tamura; M. Ikeda; M. Sakuda; Y. Kuno; M. Yoshida; S. B. Kim; B. S. Yang; T. Ishizuka; H. Okazawa; Y. Choi; H. K. Seo; Y. Gando; T. Hasegawa; K. Inoue; H. Ishii; K. Nishijima; H. Ishino; Y. Watanabe; M. Koshiba; Y. Totsuka; S. Chen; Z. Deng; Y. Liu; D. Kielczewska; H. G. Berns; K. K. Shiraishi; E. Thrane; K. Washburn; R. J. Wilkes

doi:10.1103/PhysRevD.91.072006

Search for n-n ¯ oscillation in Super-Kamiokande SEARCH FOR n-n ¯ OSCILLATION IN SUPER-⋯ K. ABE et al.

K. Abe
, Y. Hayato
, T. Iida
, K. Ishihara
, J. Kameda
, Y. Koshio
, A. Minamino
, C. Mitsuda
, M. Miura
, S. Moriyama
, M. Nakahata
, Y. Obayashi
, H. Ogawa
, H. Sekiya
, M. Shiozawa
, Y. Suzuki
, A. Takeda
, Y. Takeuchi
, K. Ueshima
, H. Watanabe

I. Higuchi, C. Ishihara, M. Ishitsuka, T. Kajita, K. Kaneyuki, G. Mitsuka, S. Nakayama, H. Nishino, K. Okumura, C. Saji, Y. Takenaga, S. Clark, S. Desai, F. Dufour, A. Herfurth, E. Kearns, S. Likhoded, M. Litos, J. L. Raaf, J. L. Stone, L. R. Sulak, W. Wang, M. Goldhaber, D. Casper, J. P. Cravens, J. Dunmore, J. Griskevich, W. R. Kropp, D. W. Liu, S. Mine, C. Regis, M. B. Smy, H. W. Sobel, M. R. Vagins, K. S. Ganezer, B. Hartfiel, J. Hill, W. E. Keig, J. S. Jang, I. S. Jeoung, J. Y. Kim, I. T. Lim, K. Scholberg, N. Tanimoto, C. W. Walter, R. Wendell, R. W. Ellsworth, S. Tasaka, G. Guillian, J. G. Learned, S. Matsuno, M. D. Messier, A. K. Ichikawa, T. Ishida, T. Ishii, T. Iwashita, T. Kobayashi, T. Nakadaira, K. Nakamura, K. Nishikawa, K. Nitta, Y. Oyama, A. T. Suzuki, M. Hasegawa, H. Maesaka, T. Nakaya, T. Sasaki, H. Sato, H. Tanaka, S. Yamamoto, M. Yokoyama, T. J. Haines, S. Dazeley, S. Hatakeyama, R. Svoboda, G. W. Sullivan, R. Gran, A. Habig, Y. Fukuda, Y. Itow, T. Koike, C. K. Jung, T. Kato, K. Kobayashi, C. McGrew, A. Sarrat, R. Terri, C. Yanagisawa, N. Tamura, M. Ikeda, M. Sakuda, Y. Kuno, M. Yoshida, S. B. Kim, B. S. Yang, T. Ishizuka, H. Okazawa, Y. Choi, H. K. Seo, Y. Gando, T. Hasegawa, K. Inoue, H. Ishii, K. Nishijima, H. Ishino, Y. Watanabe, M. Koshiba, Y. Totsuka, S. Chen, Z. Deng, Y. Liu, D. Kielczewska, H. G. Berns, K. K. Shiraishi, E. Thrane, K. Washburn, R. J. Wilkes

Physics and Astronomy

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Abstract

A search for neutron-antineutron (n-n¯) oscillation was undertaken in Super-Kamiokande using the 1489 live-day or 2.45×1034 neutron-year exposure data. This process violates both baryon and baryon minus lepton numbers by an absolute value of two units and is predicted by a large class of hypothetical models where the seesaw mechanism is incorporated to explain the observed tiny neutrino masses and the matter-antimatter asymmetry in the Universe. No evidence for n-n¯ oscillation was found; the lower limit of the lifetime for neutrons bound in O16, in an analysis that included all of the significant sources of experimental uncertainties, was determined to be 1.9×1032years at the 90% confidence level. The corresponding lower limit for the oscillation time of free neutrons was calculated to be 2.7×108s using a theoretical value of the nuclear suppression factor of 0.517×1023s-1 and its uncertainty.

Original language	English
Article number	072006
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	91
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.91.072006
State	Published - Apr 10 2015

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10.1103/PhysRevD.91.072006

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Abe, K., Hayato, Y., Iida, T., Ishihara, K., Kameda, J., Koshio, Y., Minamino, A., Mitsuda, C., Miura, M., Moriyama, S., Nakahata, M., Obayashi, Y., Ogawa, H., Sekiya, H., Shiozawa, M., Suzuki, Y., Takeda, A., Takeuchi, Y., Ueshima, K., ... Wilkes, R. J. (2015). Search for n-n ¯ oscillation in Super-Kamiokande SEARCH FOR n-n ¯ OSCILLATION IN SUPER-⋯ K. ABE et al. Physical Review D - Particles, Fields, Gravitation and Cosmology, 91(7), Article 072006. https://doi.org/10.1103/PhysRevD.91.072006

@article{ca1ed33e6c1d43209692c6ef5d359352,

title = "Search for n-n ¯ oscillation in Super-Kamiokande SEARCH FOR n-n ¯ OSCILLATION IN SUPER-⋯ K. ABE et al.",

abstract = "A search for neutron-antineutron (n-n¯) oscillation was undertaken in Super-Kamiokande using the 1489 live-day or 2.45×1034 neutron-year exposure data. This process violates both baryon and baryon minus lepton numbers by an absolute value of two units and is predicted by a large class of hypothetical models where the seesaw mechanism is incorporated to explain the observed tiny neutrino masses and the matter-antimatter asymmetry in the Universe. No evidence for n-n¯ oscillation was found; the lower limit of the lifetime for neutrons bound in O16, in an analysis that included all of the significant sources of experimental uncertainties, was determined to be 1.9×1032years at the 90\% confidence level. The corresponding lower limit for the oscillation time of free neutrons was calculated to be 2.7×108s using a theoretical value of the nuclear suppression factor of 0.517×1023s-1 and its uncertainty.",

author = "K. Abe and Y. Hayato and T. Iida and K. Ishihara and J. Kameda and Y. Koshio and A. Minamino and C. Mitsuda and M. Miura and S. Moriyama and M. Nakahata and Y. Obayashi and H. Ogawa and H. Sekiya and M. Shiozawa and Y. Suzuki and A. Takeda and Y. Takeuchi and K. Ueshima and H. Watanabe and I. Higuchi and C. Ishihara and M. Ishitsuka and T. Kajita and K. Kaneyuki and G. Mitsuka and S. Nakayama and H. Nishino and K. Okumura and C. Saji and Y. Takenaga and S. Clark and S. Desai and F. Dufour and A. Herfurth and E. Kearns and S. Likhoded and M. Litos and Raaf, \{J. L.\} and Stone, \{J. L.\} and Sulak, \{L. R.\} and W. Wang and M. Goldhaber and D. Casper and Cravens, \{J. P.\} and J. Dunmore and J. Griskevich and Kropp, \{W. R.\} and Liu, \{D. W.\} and S. Mine and C. Regis and Smy, \{M. B.\} and Sobel, \{H. W.\} and Vagins, \{M. R.\} and Ganezer, \{K. S.\} and B. Hartfiel and J. Hill and Keig, \{W. E.\} and Jang, \{J. S.\} and Jeoung, \{I. S.\} and Kim, \{J. Y.\} and Lim, \{I. T.\} and K. Scholberg and N. Tanimoto and Walter, \{C. W.\} and R. Wendell and Ellsworth, \{R. W.\} and S. Tasaka and G. Guillian and Learned, \{J. G.\} and S. Matsuno and Messier, \{M. D.\} and Ichikawa, \{A. K.\} and T. Ishida and T. Ishii and T. Iwashita and T. Kobayashi and T. Nakadaira and K. Nakamura and K. Nishikawa and K. Nitta and Y. Oyama and Suzuki, \{A. T.\} and M. Hasegawa and H. Maesaka and T. Nakaya and T. Sasaki and H. Sato and H. Tanaka and S. Yamamoto and M. Yokoyama and Haines, \{T. J.\} and S. Dazeley and S. Hatakeyama and R. Svoboda and Sullivan, \{G. W.\} and R. Gran and A. Habig and Y. Fukuda and Y. Itow and T. Koike and Jung, \{C. K.\} and T. Kato and K. Kobayashi and C. McGrew and A. Sarrat and R. Terri and C. Yanagisawa and N. Tamura and M. Ikeda and M. Sakuda and Y. Kuno and M. Yoshida and Kim, \{S. B.\} and Yang, \{B. S.\} and T. Ishizuka and H. Okazawa and Y. Choi and Seo, \{H. K.\} and Y. Gando and T. Hasegawa and K. Inoue and H. Ishii and K. Nishijima and H. Ishino and Y. Watanabe and M. Koshiba and Y. Totsuka and S. Chen and Z. Deng and Y. Liu and D. Kielczewska and Berns, \{H. G.\} and Shiraishi, \{K. K.\} and E. Thrane and K. Washburn and Wilkes, \{R. J.\}",

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

year = "2015",

month = apr,

day = "10",

doi = "10.1103/PhysRevD.91.072006",

language = "English",

volume = "91",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

number = "7",

}

Abe, K, Hayato, Y, Iida, T, Ishihara, K, Kameda, J, Koshio, Y, Minamino, A, Mitsuda, C, Miura, M, Moriyama, S, Nakahata, M, Obayashi, Y, Ogawa, H, Sekiya, H, Shiozawa, M, Suzuki, Y, Takeda, A, Takeuchi, Y, Ueshima, K, Watanabe, H, Higuchi, I, Ishihara, C, Ishitsuka, M, Kajita, T, Kaneyuki, K, Mitsuka, G, Nakayama, S, Nishino, H, Okumura, K, Saji, C, Takenaga, Y, Clark, S, Desai, S, Dufour, F, Herfurth, A, Kearns, E, Likhoded, S, Litos, M, Raaf, JL, Stone, JL, Sulak, LR, Wang, W, Goldhaber, M, Casper, D, Cravens, JP, Dunmore, J, Griskevich, J, Kropp, WR, Liu, DW, Mine, S, Regis, C, Smy, MB, Sobel, HW, Vagins, MR, Ganezer, KS, Hartfiel, B, Hill, J, Keig, WE, Jang, JS, Jeoung, IS, Kim, JY, Lim, IT, Scholberg, K, Tanimoto, N, Walter, CW, Wendell, R, Ellsworth, RW, Tasaka, S, Guillian, G, Learned, JG, Matsuno, S, Messier, MD, Ichikawa, AK, Ishida, T, Ishii, T, Iwashita, T, Kobayashi, T, Nakadaira, T, Nakamura, K, Nishikawa, K, Nitta, K, Oyama, Y, Suzuki, AT, Hasegawa, M, Maesaka, H, Nakaya, T, Sasaki, T, Sato, H, Tanaka, H, Yamamoto, S, Yokoyama, M, Haines, TJ, Dazeley, S, Hatakeyama, S, Svoboda, R, Sullivan, GW, Gran, R, Habig, A, Fukuda, Y, Itow, Y, Koike, T, Jung, CK, Kato, T, Kobayashi, K, McGrew, C, Sarrat, A, Terri, R, Yanagisawa, C, Tamura, N, Ikeda, M, Sakuda, M, Kuno, Y, Yoshida, M, Kim, SB, Yang, BS, Ishizuka, T, Okazawa, H, Choi, Y, Seo, HK, Gando, Y, Hasegawa, T, Inoue, K, Ishii, H, Nishijima, K, Ishino, H, Watanabe, Y, Koshiba, M, Totsuka, Y, Chen, S, Deng, Z, Liu, Y, Kielczewska, D, Berns, HG, Shiraishi, KK, Thrane, E, Washburn, K & Wilkes, RJ 2015, 'Search for n-n ¯ oscillation in Super-Kamiokande SEARCH FOR n-n ¯ OSCILLATION IN SUPER-⋯ K. ABE et al.', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 91, no. 7, 072006. https://doi.org/10.1103/PhysRevD.91.072006

TY - JOUR

T1 - Search for n-n ¯ oscillation in Super-Kamiokande SEARCH FOR n-n ¯ OSCILLATION IN SUPER-⋯ K. ABE et al.

AU - Abe, K.

AU - Hayato, Y.

AU - Iida, T.

AU - Ishihara, K.

AU - Kameda, J.

AU - Koshio, Y.

AU - Minamino, A.

AU - Mitsuda, C.

AU - Miura, M.

AU - Moriyama, S.

AU - Nakahata, M.

AU - Obayashi, Y.

AU - Ogawa, H.

AU - Sekiya, H.

AU - Shiozawa, M.

AU - Suzuki, Y.

AU - Takeda, A.

AU - Takeuchi, Y.

AU - Ueshima, K.

AU - Watanabe, H.

AU - Higuchi, I.

AU - Ishihara, C.

AU - Ishitsuka, M.

AU - Kajita, T.

AU - Kaneyuki, K.

AU - Mitsuka, G.

AU - Nakayama, S.

AU - Nishino, H.

AU - Okumura, K.

AU - Saji, C.

AU - Takenaga, Y.

AU - Clark, S.

AU - Desai, S.

AU - Dufour, F.

AU - Herfurth, A.

AU - Kearns, E.

AU - Likhoded, S.

AU - Litos, M.

AU - Raaf, J. L.

AU - Stone, J. L.

AU - Sulak, L. R.

AU - Wang, W.

AU - Goldhaber, M.

AU - Casper, D.

AU - Cravens, J. P.

AU - Dunmore, J.

AU - Griskevich, J.

AU - Kropp, W. R.

AU - Liu, D. W.

AU - Mine, S.

AU - Regis, C.

AU - Smy, M. B.

AU - Sobel, H. W.

AU - Vagins, M. R.

AU - Ganezer, K. S.

AU - Hartfiel, B.

AU - Hill, J.

AU - Keig, W. E.

AU - Jang, J. S.

AU - Jeoung, I. S.

AU - Kim, J. Y.

AU - Lim, I. T.

AU - Scholberg, K.

AU - Tanimoto, N.

AU - Walter, C. W.

AU - Wendell, R.

AU - Ellsworth, R. W.

AU - Tasaka, S.

AU - Guillian, G.

AU - Learned, J. G.

AU - Matsuno, S.

AU - Messier, M. D.

AU - Ichikawa, A. K.

AU - Ishida, T.

AU - Ishii, T.

AU - Iwashita, T.

AU - Kobayashi, T.

AU - Nakadaira, T.

AU - Nakamura, K.

AU - Nishikawa, K.

AU - Nitta, K.

AU - Oyama, Y.

AU - Suzuki, A. T.

AU - Hasegawa, M.

AU - Maesaka, H.

AU - Nakaya, T.

AU - Sasaki, T.

AU - Sato, H.

AU - Tanaka, H.

AU - Yamamoto, S.

AU - Yokoyama, M.

AU - Haines, T. J.

AU - Dazeley, S.

AU - Hatakeyama, S.

AU - Svoboda, R.

AU - Sullivan, G. W.

AU - Gran, R.

AU - Habig, A.

AU - Fukuda, Y.

AU - Itow, Y.

AU - Koike, T.

AU - Jung, C. K.

AU - Kato, T.

AU - Kobayashi, K.

AU - McGrew, C.

AU - Sarrat, A.

AU - Terri, R.

AU - Yanagisawa, C.

AU - Tamura, N.

AU - Ikeda, M.

AU - Sakuda, M.

AU - Kuno, Y.

AU - Yoshida, M.

AU - Kim, S. B.

AU - Yang, B. S.

AU - Ishizuka, T.

AU - Okazawa, H.

AU - Choi, Y.

AU - Seo, H. K.

AU - Gando, Y.

AU - Hasegawa, T.

AU - Inoue, K.

AU - Ishii, H.

AU - Nishijima, K.

AU - Ishino, H.

AU - Watanabe, Y.

AU - Koshiba, M.

AU - Totsuka, Y.

AU - Chen, S.

AU - Deng, Z.

AU - Liu, Y.

AU - Kielczewska, D.

AU - Berns, H. G.

AU - Shiraishi, K. K.

AU - Thrane, E.

AU - Washburn, K.

AU - Wilkes, R. J.

PY - 2015/4/10

Y1 - 2015/4/10

N2 - A search for neutron-antineutron (n-n¯) oscillation was undertaken in Super-Kamiokande using the 1489 live-day or 2.45×1034 neutron-year exposure data. This process violates both baryon and baryon minus lepton numbers by an absolute value of two units and is predicted by a large class of hypothetical models where the seesaw mechanism is incorporated to explain the observed tiny neutrino masses and the matter-antimatter asymmetry in the Universe. No evidence for n-n¯ oscillation was found; the lower limit of the lifetime for neutrons bound in O16, in an analysis that included all of the significant sources of experimental uncertainties, was determined to be 1.9×1032years at the 90% confidence level. The corresponding lower limit for the oscillation time of free neutrons was calculated to be 2.7×108s using a theoretical value of the nuclear suppression factor of 0.517×1023s-1 and its uncertainty.

AB - A search for neutron-antineutron (n-n¯) oscillation was undertaken in Super-Kamiokande using the 1489 live-day or 2.45×1034 neutron-year exposure data. This process violates both baryon and baryon minus lepton numbers by an absolute value of two units and is predicted by a large class of hypothetical models where the seesaw mechanism is incorporated to explain the observed tiny neutrino masses and the matter-antimatter asymmetry in the Universe. No evidence for n-n¯ oscillation was found; the lower limit of the lifetime for neutrons bound in O16, in an analysis that included all of the significant sources of experimental uncertainties, was determined to be 1.9×1032years at the 90% confidence level. The corresponding lower limit for the oscillation time of free neutrons was calculated to be 2.7×108s using a theoretical value of the nuclear suppression factor of 0.517×1023s-1 and its uncertainty.

UR - https://www.scopus.com/pages/publications/84929120563

U2 - 10.1103/PhysRevD.91.072006

DO - 10.1103/PhysRevD.91.072006

M3 - Article

AN - SCOPUS:84929120563

SN - 1550-7998

VL - 91

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 7

M1 - 072006

ER -

Search for n-n ¯ oscillation in Super-Kamiokande SEARCH FOR n-n ¯ OSCILLATION IN SUPER-⋯ K. ABE et al.

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