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arxiv: astro-ph/0411074 · v1 · pith:WV2LNWNYnew · submitted 2004-11-02 · 🌌 astro-ph

Spurious contribution to CR scattering calculations

classification 🌌 astro-ph
keywords approximationquasilineartheoryacceptedcalculationscoefficientcontributioncontributions
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The quasilinear theory for cosmic ray propagation is a well known and widely accepted theory. In this paper, we discuss the different contributions to the pitch-angle Fokker-Planck coefficient from large and small scales for slab geometry using the damping model of dynamical turbulence. These examinations will give us a hint on the limitation range where quasilinear approximation is a good approximation.

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