多 TeV 银河宇宙线的大尺度恒星时各向异性与日球层
星系天体物理
2009-09-08 v1 高能天体物理现象
摘要
我们开发了一个最佳拟合于西藏 III 号空气簇射阵列观测到的多 TeV 银河宇宙线强度二维全天图模型。通过结合 Gurnett 等人提出的氢偏转平面中的一对强度过剩，以及用于再现观测到的全局特征的单向和双向流，该模型成功再现了观测到的全天图，包括来自日尾方向的强度过剩的“倾斜”特征，其物理起源长期以来一直未知。这些额外的过剩被建模为一对北部和南部高斯分布，每个分布位于距日尾方向约 50 度处。南部过剩的振幅约为 0.2%，是北部过剩振幅的两倍多。这表明西藏 AS 实验首次发现了日尾和不对称日球层中宇宙线强度显著调制的明确证据。
引用
@article{arxiv.0909.1026,
title = {Large-scale sidereal anisotropy of multi-TeV galactic cosmic rays and the heliosphere},
author = {M. Amenomori and X. J. Bi and D. Chen and S. W. Cui and Danzengluobu and L. K. Ding and X. H. Ding and C. Fan and C. F. Feng and Zhaoyang Feng and Z. Y. Feng and X. Y. Gao and Q. X. Geng and Q. B. Gou and H. W. Guo and H. H. He and M. He and K. Hibino and N. Hotta and Haibing Hu and H. B. Hu and J. Huang and Q. Huang and H. Y. Jia and L. Jiang and F. Kajino and K. Kasahara and Y. Katayose and C. Kato and K. Kawata and Labaciren and G. M. Le and A. F. Li and H. C. Li and J. Y. Li and C. Liu and Y. -Q. Lou and H. Lu and X. R. Meng and K. Mizutani and J. Mu and K. Munakata and A. Nagai and H. Nanjo and M. Nishizawa and M. Ohnishi and I. Ohta and S. Ozawa and T. Saito and T. Y. Saito and M. Sakata and T. K. Sako and M. Shibata and A. Shiomi and T. Shirai and H. Sugimoto and M. Takita and Y. H. Tan and N. Tateyama and S. Torii and H. Tsuchiya and S. Udo and B. Wang and H. Wang and Y. Wang and Y. G. Wang and H. R. Wu and L. Xue and Y. Yamamoto and C. T. Yan and X. C. Yang and S. Yasue and Z. H. Ye and G. C. Yu and A. F. Yuan and T. Yuda and H. M. Zhang and J. L. Zhang and N. J. Zhang and X. Y. Zhang and Y. Zhang and Yi Zhang and Ying Zhang and Zhaxisangzhu and X. X. Zhou and J. Kota},
journal= {arXiv preprint arXiv:0909.1026},
year = {2009}
}
备注
4 pages, 1 figure, 31st International Cosmic Ray Conference (Lodz, Poland), 2009