| Autor: |
Amenomori M; Department of Physics, Hirosaki University, Hirosaki 036-8561, Japan., Ayabe S, Bi XJ, Chen D, Cui SW, Danzengluobu, Ding LK, Ding XH, Feng CF, Feng Z, 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 AF, Li JY, Lou YQ, Lu H, Lu SL, Meng XR, Mizutani K, Mu J, Munakata K, Nagai A, Nanjo H, Nishizawa M, Ohnishi M, Ohta I, Onuma H, Ouchi T, Ozawa S, Ren JR, Saito T, Saito TY, Sakata M, Sako TK, Sasaki T, Shibata M, Shiomi A, Shirai T, Sugimoto H, Takita M, Tan YH, Tateyama N, Torii S, Tsuchiya H, Udo S, Wang B, 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, Zhang Y, Zhaxisangzhu, Zhou XX |
| Jazyk: |
angličtina |
| Zdroj: |
Science (New York, N.Y.) [Science] 2006 Oct 20; Vol. 314 (5798), pp. 439-43. |
| DOI: |
10.1126/science.1131702 |
| Abstrakt: |
The intensity of Galactic cosmic rays is nearly isotropic because of the influence of magnetic fields in the Milky Way. Here, we present two-dimensional high-precision anisotropy measurement for energies from a few to several hundred teraelectronvolts (TeV), using the large data sample of the Tibet Air Shower Arrays. Besides revealing finer details of the known anisotropies, a new component of Galactic cosmic ray anisotropy in sidereal time is uncovered around the Cygnus region direction. For cosmic-ray energies up to a few hundred TeV, all components of anisotropies fade away, showing a corotation of Galactic cosmic rays with the local Galactic magnetic environment. These results have broad implications for a comprehensive understanding of cosmic rays, supernovae, magnetic fields, and heliospheric and Galactic dynamic environments. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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