Kinetic propagation of charged particles in the magnetic field under various directions of their injection
Heading:
| 1Shakhov, BA, 1Fedorov, YI, 1Kolesnyk, YL 1Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine |
| Kinemat. fiz. nebesnyh tel (Online) 2019, 35(4):3-20 |
| https://doi.org/10.15407/kfnt2019.04.003 |
| Start Page: Space Physics |
| Language: Russian |
Abstract: The energetic charged particle propagation in magnetic field, which is a superposition of the mean homogeneous magnetic field and magnetic inhomogeneities of various scales, is considered on the basis of the Fokker-Planck kinetic equation. The analytical expression for the cosmic ray distribution function corresponding to instantaneous particle injection in the direction, which is perpendicular to the regular magnetic field, is obtained. Under particle emission along the mean magnetic field the kinetic equation solution in the small angle approximation is applied. It is shown that the spatial-temporal cosmic ray distribution depends substantially on the particle injection direction. The evolution of the angular distribution of solar cosmic rays is analyzed on the basis of derived kinetic equation solutions. |
| Keywords: cosmic rays, diffusion, kinetic equation |
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