Observation by an air-shower array in Tibet of the multi-TeV cosmic-ray anisotropy due to terrestrial orbital motion around the Sun

M. Amenomori, S. Ayabe, S. W. Cui, Danzengluobu, L. K. Ding, X. H. Ding, C. F. Feng, Z. Y. Feng, X. Y. Gao, Q. X. Geng, H. W. Guo, H. H. He, M. He, K. Hibino, N. Hotta, Haibing Hu, H. B. Hu, J. Huang, Q. Huang, H. Y. Jia & 58 others F. Kajino, K. Kasahara, Y. Katayose, C. Kato, K. Kawata, Labaciren, G. M. Le, J. Y. Li, H. Lu, S. L. Lu, X. R. Meng, K. Mizutani, S. Mori, J. Mu, K. Munakata, H. Nanjo, M. Nishizawa, M. Ohnishi, I. Ohta, H. Onuma, T. Ouchi, Shunsuke Ozawa, J. R. Ren, T. Saito, M. Sakata, T. Sasaki, M. Shibata, A. Shiomi, T. Shirai, H. Sugimoto, M. Takita, Y. E. Tan, N. Tateyama, Shoji Torii, H. Tsuchiya, S. Udo, T. Utsugi, B. S. Wang, H. Wang, X. Wang, Y. G. Wang, H. R. Wu, L. Xue, Y. Yamamoto, C. T. Yan, X. C. Yang, S. Yasue, Z. H. Ye, G. C. Yu, A. F. Yuan, T. Yuda, H. M. Zhang, J. L. Zhang, N. J. Zhang, X. Y. Zhang, Y. Zhang, Zhaxisangzhu, X. X. Zhou

Research output: Contribution to journalArticle

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Abstract

The solar diurnal variation of the galactic cosmic-ray intensity, observed by the Tibet III air shower array, was discussed. The variations are consistent with the Compton-Getting anisotropy in the higher-energy event samples, due to the terrestrial orbital motion around the Sun. It was found that in the lower-energy event sample, variation is inconsistent with the anisotropy. This implies an additional anisotropy, which is superposed at the multi-TeV energies, such as the solar modulation effect.

Original languageEnglish
Article number061101
JournalPhysical Review Letters
Volume93
Issue number6
DOIs
Publication statusPublished - 2004 Aug 6
Externally publishedYes

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Tibet
cosmic ray showers
cosmic rays
sun
orbits
anisotropy
diurnal variations
energy
modulation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Observation by an air-shower array in Tibet of the multi-TeV cosmic-ray anisotropy due to terrestrial orbital motion around the Sun. / Amenomori, M.; Ayabe, S.; Cui, S. W.; Danzengluobu; Ding, L. K.; Ding, X. H.; Feng, C. F.; Feng, Z. Y.; Gao, X. Y.; Geng, Q. X.; Guo, H. W.; He, H. H.; He, M.; Hibino, K.; Hotta, N.; Hu, Haibing; Hu, H. B.; Huang, J.; Huang, Q.; Jia, H. Y.; Kajino, F.; Kasahara, K.; Katayose, Y.; Kato, C.; Kawata, K.; Labaciren; Le, G. M.; Li, J. Y.; Lu, H.; Lu, S. L.; Meng, X. R.; Mizutani, K.; Mori, S.; Mu, J.; Munakata, K.; Nanjo, H.; Nishizawa, M.; Ohnishi, M.; Ohta, I.; Onuma, H.; Ouchi, T.; Ozawa, Shunsuke; Ren, J. R.; Saito, T.; Sakata, M.; Sasaki, T.; Shibata, M.; Shiomi, A.; Shirai, T.; Sugimoto, H.; Takita, M.; Tan, Y. E.; Tateyama, N.; Torii, Shoji; Tsuchiya, H.; Udo, S.; Utsugi, T.; Wang, B. S.; Wang, H.; Wang, X.; Wang, Y. G.; Wu, H. R.; Xue, L.; Yamamoto, Y.; Yan, C. T.; Yang, X. C.; Yasue, S.; Ye, Z. H.; Yu, G. C.; Yuan, A. F.; Yuda, T.; Zhang, H. M.; Zhang, J. L.; Zhang, N. J.; Zhang, X. Y.; Zhang, Y.; Zhaxisangzhu; Zhou, X. X.

In: Physical Review Letters, Vol. 93, No. 6, 061101, 06.08.2004.

Research output: Contribution to journalArticle

Amenomori, M, Ayabe, S, Cui, SW, Danzengluobu, Ding, LK, Ding, XH, Feng, CF, Feng, ZY, Gao, XY, Geng, QX, Guo, HW, He, HH, He, M, Hibino, K, Hotta, N, Hu, H, Hu, HB, Huang, J, Huang, Q, Jia, HY, Kajino, F, Kasahara, K, Katayose, Y, Kato, C, Kawata, K, Labaciren, Le, GM, Li, JY, Lu, H, Lu, SL, Meng, XR, Mizutani, K, Mori, S, Mu, J, Munakata, K, Nanjo, H, Nishizawa, M, Ohnishi, M, Ohta, I, Onuma, H, Ouchi, T, Ozawa, S, Ren, JR, Saito, T, Sakata, M, Sasaki, T, Shibata, M, Shiomi, A, Shirai, T, Sugimoto, H, Takita, M, Tan, YE, Tateyama, N, Torii, S, Tsuchiya, H, Udo, S, Utsugi, T, Wang, BS, Wang, H, Wang, X, Wang, YG, Wu, HR, Xue, L, Yamamoto, Y, Yan, CT, Yang, XC, Yasue, S, Ye, ZH, Yu, GC, Yuan, AF, Yuda, T, Zhang, HM, Zhang, JL, Zhang, NJ, Zhang, XY, Zhang, Y, Zhaxisangzhu & Zhou, XX 2004, 'Observation by an air-shower array in Tibet of the multi-TeV cosmic-ray anisotropy due to terrestrial orbital motion around the Sun', Physical Review Letters, vol. 93, no. 6, 061101. https://doi.org/10.1103/PhysRevLett.93.061101
Amenomori, M. ; Ayabe, S. ; Cui, S. W. ; Danzengluobu ; Ding, L. K. ; Ding, X. H. ; Feng, C. F. ; Feng, Z. Y. ; Gao, X. Y. ; Geng, Q. X. ; Guo, H. W. ; He, H. H. ; He, M. ; Hibino, K. ; Hotta, N. ; Hu, Haibing ; Hu, H. B. ; Huang, J. ; Huang, Q. ; Jia, H. Y. ; Kajino, F. ; Kasahara, K. ; Katayose, Y. ; Kato, C. ; Kawata, K. ; Labaciren ; Le, G. M. ; Li, J. Y. ; Lu, H. ; Lu, S. L. ; Meng, X. R. ; Mizutani, K. ; Mori, S. ; Mu, J. ; Munakata, K. ; Nanjo, H. ; Nishizawa, M. ; Ohnishi, M. ; Ohta, I. ; Onuma, H. ; Ouchi, T. ; Ozawa, Shunsuke ; Ren, J. R. ; Saito, T. ; Sakata, M. ; Sasaki, T. ; Shibata, M. ; Shiomi, A. ; Shirai, T. ; Sugimoto, H. ; Takita, M. ; Tan, Y. E. ; Tateyama, N. ; Torii, Shoji ; Tsuchiya, H. ; Udo, S. ; Utsugi, T. ; Wang, B. S. ; Wang, H. ; Wang, X. ; Wang, Y. G. ; Wu, H. R. ; Xue, L. ; Yamamoto, Y. ; Yan, C. T. ; Yang, X. C. ; Yasue, S. ; Ye, Z. H. ; Yu, G. C. ; Yuan, A. F. ; Yuda, T. ; Zhang, H. M. ; Zhang, J. L. ; Zhang, N. J. ; Zhang, X. Y. ; Zhang, Y. ; Zhaxisangzhu ; Zhou, X. X. / Observation by an air-shower array in Tibet of the multi-TeV cosmic-ray anisotropy due to terrestrial orbital motion around the Sun. In: Physical Review Letters. 2004 ; Vol. 93, No. 6.
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abstract = "The solar diurnal variation of the galactic cosmic-ray intensity, observed by the Tibet III air shower array, was discussed. The variations are consistent with the Compton-Getting anisotropy in the higher-energy event samples, due to the terrestrial orbital motion around the Sun. It was found that in the lower-energy event sample, variation is inconsistent with the anisotropy. This implies an additional anisotropy, which is superposed at the multi-TeV energies, such as the solar modulation effect.",
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TY - JOUR

T1 - Observation by an air-shower array in Tibet of the multi-TeV cosmic-ray anisotropy due to terrestrial orbital motion around the Sun

AU - Amenomori, M.

AU - Ayabe, S.

AU - Cui, S. W.

AU - Danzengluobu,

AU - Ding, L. K.

AU - Ding, X. H.

AU - Feng, C. F.

AU - Feng, Z. Y.

AU - Gao, X. Y.

AU - Geng, Q. X.

AU - Guo, H. W.

AU - He, H. H.

AU - He, M.

AU - Hibino, K.

AU - Hotta, N.

AU - Hu, Haibing

AU - Hu, H. B.

AU - Huang, J.

AU - Huang, Q.

AU - Jia, H. Y.

AU - Kajino, F.

AU - Kasahara, K.

AU - Katayose, Y.

AU - Kato, C.

AU - Kawata, K.

AU - Labaciren,

AU - Le, G. M.

AU - Li, J. Y.

AU - Lu, H.

AU - Lu, S. L.

AU - Meng, X. R.

AU - Mizutani, K.

AU - Mori, S.

AU - Mu, J.

AU - Munakata, K.

AU - Nanjo, H.

AU - Nishizawa, M.

AU - Ohnishi, M.

AU - Ohta, I.

AU - Onuma, H.

AU - Ouchi, T.

AU - Ozawa, Shunsuke

AU - Ren, J. R.

AU - Saito, T.

AU - Sakata, M.

AU - Sasaki, T.

AU - Shibata, M.

AU - Shiomi, A.

AU - Shirai, T.

AU - Sugimoto, H.

AU - Takita, M.

AU - Tan, Y. E.

AU - Tateyama, N.

AU - Torii, Shoji

AU - Tsuchiya, H.

AU - Udo, S.

AU - Utsugi, T.

AU - Wang, B. S.

AU - Wang, H.

AU - Wang, X.

AU - Wang, Y. G.

AU - Wu, H. R.

AU - Xue, L.

AU - Yamamoto, Y.

AU - Yan, C. T.

AU - Yang, X. C.

AU - Yasue, S.

AU - Ye, Z. H.

AU - Yu, G. C.

AU - Yuan, A. F.

AU - Yuda, T.

AU - Zhang, H. M.

AU - Zhang, J. L.

AU - Zhang, N. J.

AU - Zhang, X. Y.

AU - Zhang, Y.

AU - Zhaxisangzhu,

AU - Zhou, X. X.

PY - 2004/8/6

Y1 - 2004/8/6

N2 - The solar diurnal variation of the galactic cosmic-ray intensity, observed by the Tibet III air shower array, was discussed. The variations are consistent with the Compton-Getting anisotropy in the higher-energy event samples, due to the terrestrial orbital motion around the Sun. It was found that in the lower-energy event sample, variation is inconsistent with the anisotropy. This implies an additional anisotropy, which is superposed at the multi-TeV energies, such as the solar modulation effect.

AB - The solar diurnal variation of the galactic cosmic-ray intensity, observed by the Tibet III air shower array, was discussed. The variations are consistent with the Compton-Getting anisotropy in the higher-energy event samples, due to the terrestrial orbital motion around the Sun. It was found that in the lower-energy event sample, variation is inconsistent with the anisotropy. This implies an additional anisotropy, which is superposed at the multi-TeV energies, such as the solar modulation effect.

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U2 - 10.1103/PhysRevLett.93.061101

DO - 10.1103/PhysRevLett.93.061101

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VL - 93

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 6

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