Sun's shadow in changing phase from the solar cycle 23 to 24 observed with the Tibet Air sower array

M. Amenomori, X. J. Bi, D. Chen, S. W. Cui, Danzengluobu, L. K. Ding, X. H. Ding, C. Fan, C. F. Feng, Zhaoyang Feng, Z. Y. Feng, X. Y. Gao, Q. X. Geng, Q. B. Gou, H. W. Guo, H. H. He, M. He, K. Hibino, N. Hotta, Haibing HuH. B. Hu, J. Huang, Q. Huang, H. Y. Jia, L. Jiang, F. Kajino, K. Kasahara, Y. Katayose, C. Kato, K. Kawata, Labaciren, G. M. Le, A. F. Li, H. C. Li, J. Y. Li, C. Liu, Y. Q. Lou, H. Lu, X. R. Meng, K. Mizutani, J. Mu, K. Munakata, A. Nagai, H. Nanjo, M. Nishizawa, M. Ohnishi, I. Ohta, Shunsuke Ozawa, T. Saito, T. Y. Saito, M. Sakata, T. K. Sako, M. Shibata, A. Shiomi, T. Shirai, H. Sugimoto, M. Takita, Y. H. Tan, N. Tateyama, Shoji Torii, H. Tsuchiya, S. Udo, B. Wang, H. Wang, Y. Wang, Y. G. Wang, H. R. Wu, L. Xue, Y. Yamamoto, C. T. Yan, X. C. Yan, 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, Yi Zhang, Ying Zhang, Zhaxisangzhu, X. X. Zhou

Research output: Chapter in Book/Report/Conference proceedingConference contribution


The solar activity is gradually changing from the Solar Cycle 23 to 24. Sun's shadow generated by multi-TeV cosmic-ray particles has been continuously observed with the Tibet-II and Tibet- III air shower array in 1996 through 2008. We have shown that the Sun's shadow is strongly affected by the solar and interplanetary magnetic fields changing with the solar activity in the previous papers. In this paper, we present yearly variation of the Sun's shadow in the changing phase to the Solar Cycle 24. Additionally, we discuss comparison between our observation and simulation of the Sun's shadow.

Original languageEnglish
Title of host publication31st International Cosmic Ray Conference, ICRC 2009
PublisherUniversity of Lodz
Publication statusPublished - 2009
Event31st International Cosmic Ray Conference, ICRC 2009 - Lodz
Duration: 2009 Jul 72009 Jul 15


Other31st International Cosmic Ray Conference, ICRC 2009


  • Solar cycle 24
  • Sun's shadow
  • Tibet air sower array

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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