Large-scale anisotropy of the cosmic-ray muon flux in Kamiokande

K. Munakata; T. Kiuchi; S. Yasue; C. Kato; S. Mori; K. S. Hirata; K. Kihara; Y. Oyama; M. Mori; K. Fujita; S. Hatakeyama; M. Koga; T. Maruyama; A. Suzuki; T. Ishizuka; K. Miyano; H. Okazawa; Y. Fukuda; T. Hayakawa; K. Inoue; K. Ishihara; H. Ishino; S. Joukou; T. Kajita; S. Kasuga; Y. Koshio; T. Kumita; K. Matsumoto; M. Nakahata; K. Nakamura; K. Okumura; A. Sakai; M. Shiozawa; J. Suzuki; Y. Suzuki; T. Tomoeda; Y. Totsuka; T. Horiuchi; K. Nishijima; M. Koshiba; T. Suda; A. T. Suzuki; T. Hara; Y. Nagashima; M. Takita; T. Yamaguchi; Y. Hayato; K. Kaneyuki; T. Suzuki; Y. Takeuchi; T. Tanimori; S. Tasaka; E. Ichihara; S. Miyamoto; K. Nishikawa

doi:10.1103/PhysRevD.56.23

Large-scale anisotropy of the cosmic-ray muon flux in Kamiokande

K. Munakata, T. Kiuchi, S. Yasue, C. Kato, S. Mori, K. S. Hirata, K. Kihara, Y. Oyama, M. Mori, K. Fujita, S. Hatakeyama, M. Koga, T. Maruyama, A. Suzuki, T. Ishizuka, K. Miyano, H. Okazawa, Y. Fukuda, T. Hayakawa, K. InoueK. Ishihara, H. Ishino, S. Joukou, T. Kajita, S. Kasuga, Y. Koshio, T. Kumita, K. Matsumoto, M. Nakahata, K. Nakamura, K. Okumura, A. Sakai, M. Shiozawa, J. Suzuki, Y. Suzuki, T. Tomoeda, Y. Totsuka, T. Horiuchi, K. Nishijima, M. Koshiba, T. Suda, A. T. Suzuki, T. Hara, Y. Nagashima, M. Takita, T. Yamaguchi, Y. Hayato, K. Kaneyuki, T. Suzuki, Y. Takeuchi, T. Tanimori, S. Tasaka, E. Ichihara, S. Miyamoto, K. Nishikawa

Research Center for Neutrino Science (RCNS)

Research output: Contribution to journal › Article › peer-review

51 Citations (Scopus)

Abstract

The large-scale anisotropy of cosmic-ray primaries in the celestial coordinate was studied using cosmic-ray muons recorded in a large water Cherenkov detector, Kamiokande. The right-ascension distribution of the muon arrival directions deviated from an isotropic distribution with a 2.8 standard deviation, and agreed well with the first harmonics with an amplitude of [Formula presented] and a phase of [Formula presented]. This is the deepest underground observation of the large-scale anisotropy of cosmic rays, and agrees with observations with other underground experiments and extensive air-shower array experiments.

Original language	English
Pages (from-to)	23-26
Number of pages	4
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	56
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.56.23
Publication status	Published - 1997

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10.1103/PhysRevD.56.23

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Munakata, K., Kiuchi, T., Yasue, S., Kato, C., Mori, S., Hirata, K. S., Kihara, K., Oyama, Y., Mori, M., Fujita, K., Hatakeyama, S., Koga, M., Maruyama, T., Suzuki, A., Ishizuka, T., Miyano, K., Okazawa, H., Fukuda, Y., Hayakawa, T., ... Nishikawa, K. (1997). Large-scale anisotropy of the cosmic-ray muon flux in Kamiokande. Physical Review D - Particles, Fields, Gravitation and Cosmology, 56(1), 23-26. https://doi.org/10.1103/PhysRevD.56.23

@article{87933c232dbe4dc8a79736acb0839095,

title = "Large-scale anisotropy of the cosmic-ray muon flux in Kamiokande",

abstract = "The large-scale anisotropy of cosmic-ray primaries in the celestial coordinate was studied using cosmic-ray muons recorded in a large water Cherenkov detector, Kamiokande. The right-ascension distribution of the muon arrival directions deviated from an isotropic distribution with a 2.8 standard deviation, and agreed well with the first harmonics with an amplitude of [Formula presented] and a phase of [Formula presented]. This is the deepest underground observation of the large-scale anisotropy of cosmic rays, and agrees with observations with other underground experiments and extensive air-shower array experiments.",

author = "K. Munakata and T. Kiuchi and S. Yasue and C. Kato and S. Mori and Hirata, {K. S.} and K. Kihara and Y. Oyama and M. Mori and K. Fujita and S. Hatakeyama and M. Koga and T. Maruyama and A. Suzuki and T. Ishizuka and K. Miyano and H. Okazawa and Y. Fukuda and T. Hayakawa and K. Inoue and K. Ishihara and H. Ishino and S. Joukou and T. Kajita and S. Kasuga and Y. Koshio and T. Kumita and K. Matsumoto and M. Nakahata and K. Nakamura and K. Okumura and A. Sakai and M. Shiozawa and J. Suzuki and Y. Suzuki and T. Tomoeda and Y. Totsuka and T. Horiuchi and K. Nishijima and M. Koshiba and T. Suda and Suzuki, {A. T.} and T. Hara and Y. Nagashima and M. Takita and T. Yamaguchi and Y. Hayato and K. Kaneyuki and T. Suzuki and Y. Takeuchi and T. Tanimori and S. Tasaka and E. Ichihara and S. Miyamoto and K. Nishikawa",

year = "1997",

doi = "10.1103/PhysRevD.56.23",

language = "English",

volume = "56",

pages = "23--26",

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

issn = "1550-7998",

publisher = "American Physical Society",

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Munakata, K, Kiuchi, T, Yasue, S, Kato, C, Mori, S, Hirata, KS, Kihara, K, Oyama, Y, Mori, M, Fujita, K, Hatakeyama, S, Koga, M, Maruyama, T, Suzuki, A, Ishizuka, T, Miyano, K, Okazawa, H, Fukuda, Y, Hayakawa, T, Inoue, K, Ishihara, K, Ishino, H, Joukou, S, Kajita, T, Kasuga, S, Koshio, Y, Kumita, T, Matsumoto, K, Nakahata, M, Nakamura, K, Okumura, K, Sakai, A, Shiozawa, M, Suzuki, J, Suzuki, Y, Tomoeda, T, Totsuka, Y, Horiuchi, T, Nishijima, K, Koshiba, M, Suda, T, Suzuki, AT, Hara, T, Nagashima, Y, Takita, M, Yamaguchi, T, Hayato, Y, Kaneyuki, K, Suzuki, T, Takeuchi, Y, Tanimori, T, Tasaka, S, Ichihara, E, Miyamoto, S & Nishikawa, K 1997, 'Large-scale anisotropy of the cosmic-ray muon flux in Kamiokande', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 56, no. 1, pp. 23-26. https://doi.org/10.1103/PhysRevD.56.23

TY - JOUR

T1 - Large-scale anisotropy of the cosmic-ray muon flux in Kamiokande

AU - Munakata, K.

AU - Kiuchi, T.

AU - Yasue, S.

AU - Kato, C.

AU - Mori, S.

AU - Hirata, K. S.

AU - Kihara, K.

AU - Oyama, Y.

AU - Mori, M.

AU - Fujita, K.

AU - Hatakeyama, S.

AU - Koga, M.

AU - Maruyama, T.

AU - Suzuki, A.

AU - Ishizuka, T.

AU - Miyano, K.

AU - Okazawa, H.

AU - Fukuda, Y.

AU - Hayakawa, T.

AU - Inoue, K.

AU - Ishihara, K.

AU - Ishino, H.

AU - Joukou, S.

AU - Kajita, T.

AU - Kasuga, S.

AU - Koshio, Y.

AU - Kumita, T.

AU - Matsumoto, K.

AU - Nakahata, M.

AU - Nakamura, K.

AU - Okumura, K.

AU - Sakai, A.

AU - Shiozawa, M.

AU - Suzuki, J.

AU - Suzuki, Y.

AU - Tomoeda, T.

AU - Totsuka, Y.

AU - Horiuchi, T.

AU - Nishijima, K.

AU - Koshiba, M.

AU - Suda, T.

AU - Suzuki, A. T.

AU - Hara, T.

AU - Nagashima, Y.

AU - Takita, M.

AU - Yamaguchi, T.

AU - Hayato, Y.

AU - Kaneyuki, K.

AU - Suzuki, T.

AU - Takeuchi, Y.

AU - Tanimori, T.

AU - Tasaka, S.

AU - Ichihara, E.

AU - Miyamoto, S.

AU - Nishikawa, K.

PY - 1997

Y1 - 1997

N2 - The large-scale anisotropy of cosmic-ray primaries in the celestial coordinate was studied using cosmic-ray muons recorded in a large water Cherenkov detector, Kamiokande. The right-ascension distribution of the muon arrival directions deviated from an isotropic distribution with a 2.8 standard deviation, and agreed well with the first harmonics with an amplitude of [Formula presented] and a phase of [Formula presented]. This is the deepest underground observation of the large-scale anisotropy of cosmic rays, and agrees with observations with other underground experiments and extensive air-shower array experiments.

AB - The large-scale anisotropy of cosmic-ray primaries in the celestial coordinate was studied using cosmic-ray muons recorded in a large water Cherenkov detector, Kamiokande. The right-ascension distribution of the muon arrival directions deviated from an isotropic distribution with a 2.8 standard deviation, and agreed well with the first harmonics with an amplitude of [Formula presented] and a phase of [Formula presented]. This is the deepest underground observation of the large-scale anisotropy of cosmic rays, and agrees with observations with other underground experiments and extensive air-shower array experiments.

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U2 - 10.1103/PhysRevD.56.23

DO - 10.1103/PhysRevD.56.23

M3 - Article

AN - SCOPUS:0002257530

SN - 1550-7998

VL - 56

SP - 23

EP - 26

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

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

IS - 1

ER -

Large-scale anisotropy of the cosmic-ray muon flux in Kamiokande

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