Indications of neutrino oscillation in a 250 km long-baseline experiment

M. H. Ahn; S. Aoki; H. Bhang; S. Boyd; D. Casper; J. H. Choi; S. Fukuda; Y. Fukuda; W. Gajewski; T. Hara; M. Hasegawa; T. Hasegawa; Y. Hayato; J. Hill; A. K. Ichikawa; A. Ikeda; T. Inagaki; T. Ishida; T. Ishii; M. Ishitsuka; Y. Itow; T. Iwashita; H. I. Jang; J. S. Jang; E. J. Jeon; C. K. Jung; T. Kajita; J. Kameda; K. Kaneyuki; I. Kato; E. Kearns; A. Kibayashi; D. Kielczewska; K. Kobayashi; B. J. Kim; C. O. Kim; J. Y. Kim; S. B. Kim; T. Kobayashi; M. Kohama; Y. Koshio; W. R. Kropp; J. G. Learned; S. H. Lim; I. T. Lim; H. Maesaka; K. Martens; T. Maruyama; S. Matsuno; C. Mauger; C. Mcgrew; S. Mine; M. Miura; K. Miyano; S. Moriyama; M. Nakahata; K. Nakamura; I. Nakano; F. Nakata; T. Nakaya; S. Nakayama; T. Namba; K. Nishikawa; S. Nishiyama; S. Noda; A. Obayashi; A. Okada; T. Ooyabu; Y. Oyama; M. Y. Pac; H. Park; M. Sakuda; N. Sakurai; N. Sasao; K. Scholberg; E. Sharkey; M. Shiozawa; H. So; H. W. Sobel; A. Stachyra; J. L. Stone; Y. Suga; L. R. Sulak; A. Suzuki; Y. Suzuki; Y. Takeuchi; N. Tamura; T. Toshito; Y. Totsuka; M. R. Vagins; C. W. Walter; R. J. Wilkes; S. Yamada; S. Yamamoto; C. Yanagisawa; H. Yokoyama; J. Yoo; M. Yoshida; J. Zalipska

Indications of neutrino oscillation in a 250 km long-baseline experiment

M. H. Ahn^*, S. Aoki, H. Bhang, S. Boyd, D. Casper, J. H. Choi, S. Fukuda, Y. Fukuda, W. Gajewski, T. Hara, M. Hasegawa, T. Hasegawa, Y. Hayato, J. Hill, A. K. Ichikawa, A. Ikeda, T. Inagaki, T. Ishida, T. Ishii, M. IshitsukaY. Itow, T. Iwashita, H. I. Jang, J. S. Jang, E. J. Jeon, C. K. Jung, T. Kajita, J. Kameda, K. Kaneyuki, I. Kato, E. Kearns, A. Kibayashi, D. Kielczewska, K. Kobayashi, B. J. Kim, C. O. Kim, J. Y. Kim, S. B. Kim, T. Kobayashi, M. Kohama, Y. Koshio, W. R. Kropp, J. G. Learned, S. H. Lim, I. T. Lim, H. Maesaka, K. Martens, T. Maruyama, S. Matsuno, C. Mauger, C. Mcgrew, S. Mine, M. Miura, K. Miyano, S. Moriyama, M. Nakahata, K. Nakamura, I. Nakano, F. Nakata, T. Nakaya, S. Nakayama, T. Namba, K. Nishikawa, S. Nishiyama, S. Noda, A. Obayashi, A. Okada, T. Ooyabu, Y. Oyama, M. Y. Pac, H. Park, M. Sakuda, N. Sakurai, N. Sasao, K. Scholberg, E. Sharkey, M. Shiozawa, H. So, H. W. Sobel, A. Stachyra, J. L. Stone, Y. Suga, L. R. Sulak, A. Suzuki, Y. Suzuki, Y. Takeuchi, N. Tamura, T. Toshito, Y. Totsuka, M. R. Vagins, C. W. Walter, R. J. Wilkes, S. Yamada, S. Yamamoto, C. Yanagisawa, H. Yokoyama, J. Yoo, M. Yoshida, J. Zalipska

^*Corresponding author for this work

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Abstract

A study was performed on Kamioka long-baseline neutrino oscillation experiment (K2K). The indications of neutrino oscillation such as a reduction of flux together with a distortion of the energy spectrum were observed in the experiment. In Super Kamiokande (SK), 250 km from the neutrino production point, fifty-six beam neutrino events were observed. It was found that the probability that the measurements at SK is explained by statistical fluctuation without neutrino oscillation is less than 1%.

Original language	English
Article number	041801
Pages (from-to)	418011-418015
Number of pages	5
Journal	Physical Review Letters
Volume	90
Issue number	4
Publication status	Published - 2003 Jan 31
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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Ahn, M. H., Aoki, S., Bhang, H., Boyd, S., Casper, D., Choi, J. H., Fukuda, S., Fukuda, Y., Gajewski, W., Hara, T., Hasegawa, M., Hasegawa, T., Hayato, Y., Hill, J., Ichikawa, A. K., Ikeda, A., Inagaki, T., Ishida, T., Ishii, T., ... Zalipska, J. (2003). Indications of neutrino oscillation in a 250 km long-baseline experiment. Physical Review Letters, 90(4), 418011-418015. Article 041801.

Ahn, MH, Aoki, S, Bhang, H, Boyd, S, Casper, D, Choi, JH, Fukuda, S, Fukuda, Y, Gajewski, W, Hara, T, Hasegawa, M, Hasegawa, T, Hayato, Y, Hill, J, Ichikawa, AK, Ikeda, A, Inagaki, T, Ishida, T, Ishii, T, Ishitsuka, M, Itow, Y, Iwashita, T, Jang, HI, Jang, JS, Jeon, EJ, Jung, CK, Kajita, T, Kameda, J, Kaneyuki, K, Kato, I, Kearns, E, Kibayashi, A, Kielczewska, D, Kobayashi, K, Kim, BJ, Kim, CO, Kim, JY, Kim, SB, Kobayashi, T, Kohama, M, Koshio, Y, Kropp, WR, Learned, JG, Lim, SH, Lim, IT, Maesaka, H, Martens, K, Maruyama, T, Matsuno, S, Mauger, C, Mcgrew, C, Mine, S, Miura, M, Miyano, K, Moriyama, S, Nakahata, M, Nakamura, K, Nakano, I, Nakata, F, Nakaya, T, Nakayama, S, Namba, T, Nishikawa, K, Nishiyama, S, Noda, S, Obayashi, A, Okada, A, Ooyabu, T, Oyama, Y, Pac, MY, Park, H, Sakuda, M, Sakurai, N, Sasao, N, Scholberg, K, Sharkey, E, Shiozawa, M, So, H, Sobel, HW, Stachyra, A, Stone, JL, Suga, Y, Sulak, LR, Suzuki, A, Suzuki, Y, Takeuchi, Y, Tamura, N, Toshito, T, Totsuka, Y, Vagins, MR, Walter, CW, Wilkes, RJ, Yamada, S, Yamamoto, S, Yanagisawa, C, Yokoyama, H, Yoo, J, Yoshida, M & Zalipska, J 2003, 'Indications of neutrino oscillation in a 250 km long-baseline experiment', Physical Review Letters, vol. 90, no. 4, 041801, pp. 418011-418015.

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title = "Indications of neutrino oscillation in a 250 km long-baseline experiment",

abstract = "A study was performed on Kamioka long-baseline neutrino oscillation experiment (K2K). The indications of neutrino oscillation such as a reduction of flux together with a distortion of the energy spectrum were observed in the experiment. In Super Kamiokande (SK), 250 km from the neutrino production point, fifty-six beam neutrino events were observed. It was found that the probability that the measurements at SK is explained by statistical fluctuation without neutrino oscillation is less than 1%.",

author = "Ahn, {M. H.} and S. Aoki and H. Bhang and S. Boyd and D. Casper and Choi, {J. H.} and S. Fukuda and Y. Fukuda and W. Gajewski and T. Hara and M. Hasegawa and T. Hasegawa and Y. Hayato and J. Hill and Ichikawa, {A. K.} and A. Ikeda and T. Inagaki and T. Ishida and T. Ishii and M. Ishitsuka and Y. Itow and T. Iwashita and Jang, {H. I.} and Jang, {J. S.} and Jeon, {E. J.} and Jung, {C. K.} and T. Kajita and J. Kameda and K. Kaneyuki and I. Kato and E. Kearns and A. Kibayashi and D. Kielczewska and K. Kobayashi and Kim, {B. J.} and Kim, {C. O.} and Kim, {J. Y.} and Kim, {S. B.} and T. Kobayashi and M. Kohama and Y. Koshio and Kropp, {W. R.} and Learned, {J. G.} and Lim, {S. H.} and Lim, {I. T.} and H. Maesaka and K. Martens and T. Maruyama and S. Matsuno and C. Mauger and C. Mcgrew and S. Mine and M. Miura and K. Miyano and S. Moriyama and M. Nakahata and K. Nakamura and I. Nakano and F. Nakata and T. Nakaya and S. Nakayama and T. Namba and K. Nishikawa and S. Nishiyama and S. Noda and A. Obayashi and A. Okada and T. Ooyabu and Y. Oyama and Pac, {M. Y.} and H. Park and M. Sakuda and N. Sakurai and N. Sasao and K. Scholberg and E. Sharkey and M. Shiozawa and H. So and Sobel, {H. W.} and A. Stachyra and Stone, {J. L.} and Y. Suga and Sulak, {L. R.} and A. Suzuki and Y. Suzuki and Y. Takeuchi and N. Tamura and T. Toshito and Y. Totsuka and Vagins, {M. R.} and Walter, {C. W.} and Wilkes, {R. J.} and S. Yamada and S. Yamamoto and C. Yanagisawa and H. Yokoyama and J. Yoo and M. Yoshida and J. Zalipska",

year = "2003",

month = jan,

day = "31",

language = "English",

volume = "90",

pages = "418011--418015",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "4",

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TY - JOUR

T1 - Indications of neutrino oscillation in a 250 km long-baseline experiment

AU - Ahn, M. H.

AU - Aoki, S.

AU - Bhang, H.

AU - Boyd, S.

AU - Casper, D.

AU - Choi, J. H.

AU - Fukuda, S.

AU - Fukuda, Y.

AU - Gajewski, W.

AU - Hara, T.

AU - Hasegawa, M.

AU - Hasegawa, T.

AU - Hayato, Y.

AU - Hill, J.

AU - Ichikawa, A. K.

AU - Ikeda, A.

AU - Inagaki, T.

AU - Ishida, T.

AU - Ishii, T.

AU - Ishitsuka, M.

AU - Itow, Y.

AU - Iwashita, T.

AU - Jang, H. I.

AU - Jang, J. S.

AU - Jeon, E. J.

AU - Jung, C. K.

AU - Kajita, T.

AU - Kameda, J.

AU - Kaneyuki, K.

AU - Kato, I.

AU - Kearns, E.

AU - Kibayashi, A.

AU - Kielczewska, D.

AU - Kobayashi, K.

AU - Kim, B. J.

AU - Kim, C. O.

AU - Kim, J. Y.

AU - Kim, S. B.

AU - Kobayashi, T.

AU - Kohama, M.

AU - Koshio, Y.

AU - Kropp, W. R.

AU - Learned, J. G.

AU - Lim, S. H.

AU - Lim, I. T.

AU - Maesaka, H.

AU - Martens, K.

AU - Maruyama, T.

AU - Matsuno, S.

AU - Mauger, C.

AU - Mcgrew, C.

AU - Mine, S.

AU - Miura, M.

AU - Miyano, K.

AU - Moriyama, S.

AU - Nakahata, M.

AU - Nakamura, K.

AU - Nakano, I.

AU - Nakata, F.

AU - Nakaya, T.

AU - Nakayama, S.

AU - Namba, T.

AU - Nishikawa, K.

AU - Nishiyama, S.

AU - Noda, S.

AU - Obayashi, A.

AU - Okada, A.

AU - Ooyabu, T.

AU - Oyama, Y.

AU - Pac, M. Y.

AU - Park, H.

AU - Sakuda, M.

AU - Sakurai, N.

AU - Sasao, N.

AU - Scholberg, K.

AU - Sharkey, E.

AU - Shiozawa, M.

AU - So, H.

AU - Sobel, H. W.

AU - Stachyra, A.

AU - Stone, J. L.

AU - Suga, Y.

AU - Sulak, L. R.

AU - Suzuki, A.

AU - Suzuki, Y.

AU - Takeuchi, Y.

AU - Tamura, N.

AU - Toshito, T.

AU - Totsuka, Y.

AU - Vagins, M. R.

AU - Walter, C. W.

AU - Wilkes, R. J.

AU - Yamada, S.

AU - Yamamoto, S.

AU - Yanagisawa, C.

AU - Yokoyama, H.

AU - Yoo, J.

AU - Yoshida, M.

AU - Zalipska, J.

PY - 2003/1/31

Y1 - 2003/1/31

N2 - A study was performed on Kamioka long-baseline neutrino oscillation experiment (K2K). The indications of neutrino oscillation such as a reduction of flux together with a distortion of the energy spectrum were observed in the experiment. In Super Kamiokande (SK), 250 km from the neutrino production point, fifty-six beam neutrino events were observed. It was found that the probability that the measurements at SK is explained by statistical fluctuation without neutrino oscillation is less than 1%.

AB - A study was performed on Kamioka long-baseline neutrino oscillation experiment (K2K). The indications of neutrino oscillation such as a reduction of flux together with a distortion of the energy spectrum were observed in the experiment. In Super Kamiokande (SK), 250 km from the neutrino production point, fifty-six beam neutrino events were observed. It was found that the probability that the measurements at SK is explained by statistical fluctuation without neutrino oscillation is less than 1%.

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UR - http://www.scopus.com/inward/citedby.url?scp=0037473863&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0037473863

SN - 0031-9007

VL - 90

SP - 418011

EP - 418015

JO - Physical Review Letters

JF - Physical Review Letters

IS - 4

M1 - 041801

ER -

Indications of neutrino oscillation in a 250 km long-baseline experiment

Abstract

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