Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-10-23
Science314:439-443,2006
Astronomy and Astrophysics
Astrophysics
Scientific paper
10.1126/SCIENCE.1131702
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.
Amenomori Michihiro
Tibet AS-gamma Collaboration
No associations
LandOfFree
Anisotropy and Corotation of Galactic Cosmic Rays does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Anisotropy and Corotation of Galactic Cosmic Rays, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anisotropy and Corotation of Galactic Cosmic Rays will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-276691