Northern sky galactic cosmic ray anisotropy between 10-1000 tev with the tibet air shower array

M. Amenomori, X. J. Bi, D. Chen, T. L. Chen, W. Y. Chen, S. W. Cui, Danzengluobu, L. K. Ding, C. F. Feng, Zhaoyang Feng, Z. Y. Feng, Q. B. Gou, Y. Q. Guo, H. H. He, Z. T. He, K. Hibino, N. Hotta, Haibing Hu, H. B. Hu, J. HuangH. Y. Jia, L. Jiang, F. Kajino, K. Kasahara, Y. Katayose, C. Kato, K. Kawata, M. Kozai, Labaciren, G. M. Le, A. F. Li, H. J. Li, W. J. Li, C. Liu, J. S. Liu, M. Y. Liu, H. Lu, X. R. Meng, T. Miyazaki, K. Mizutani, K. Munakata, T. Nakajima, Y. Nakamura, H. Nanjo, M. Nishizawa, T. Niwa, M. Ohnishi, I. Ohta, Shunsuke Ozawa, X. L. Qian, X. B. Qu, T. Saito, T. Y. Saito, M. Sakata, T. K. Sako, J. Shao, M. Shibata, A. Shiomi, T. Shirai, H. Sugimoto, M. Takita, Y. H. Tan, N. Tateyama, Shoji Torii, H. Tsuchiya, S. Udo, H. Wang, H. R. Wu, L. Xue, Y. Yamamoto, K. Yamauchi, Z. Yang, S. Yasue, A. F. Yuan, T. Yuda, L. M. Zhai, H. M. Zhang, J. L. Zhang, X. Y. Zhang, Y. Zhang, Yi Zhang, Ying Zhang, Zhaxisangzhu, X. X. Zhou

Research output: Contribution to journalArticle

Abstract

We report on the observation of the large-scale sidereal anisotropy of Galactic Cosmic Rays (GCRs) between 10 TeV and 1 PeV, with the data collected by the Tibet Air Shower experiment between October 1995 and February 2010. The method to estimate the energy of GCRs energy is improved, so that the data with zenith angle up to 60 degrees can be used. The two-dimensional intensity map with declination between -30 degree and 90 degree at 300 TeV is well connected with IceCube's observation at 400 TeV in 2012, which gives a global picture about the anisotropy at this energy range. A new struction on the energy dependence of the first harmonic coefficients of the large scale anisotropy is revealed above 100 TeV.

Original languageEnglish
Article number355
JournalUnknown Journal
Volume30-July-2015
Publication statusPublished - 2015

ASJC Scopus subject areas

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    Amenomori, M., Bi, X. J., Chen, D., Chen, T. L., Chen, W. Y., Cui, S. W., Danzengluobu, Ding, L. K., Feng, C. F., Feng, Z., Feng, Z. Y., Gou, Q. B., Guo, Y. Q., He, H. H., He, Z. T., Hibino, K., Hotta, N., Hu, H., Hu, H. B., ... Zhou, X. X. (2015). Northern sky galactic cosmic ray anisotropy between 10-1000 tev with the tibet air shower array. Unknown Journal, 30-July-2015, [355].