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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2502.19062 |
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Table of Contents:
- We introduce a novel diffusion model for the propagation of cosmic rays (CRs) that incorporates an anisotropic diffusion tensor of a general form within a realistically modeled large-scale Galactic magnetic field. The parameters of the model are consistent with the contemporary understanding of the large-scale Galactic magnetic field structure and the dynamics of small-scale turbulent CR propagation. The paper demonstrates the modulation of spectra of Galactic cosmic rays (GCRs) in the magnetic rigidity range of 1 - 30 PV (the CR knee) and explores the spatial variation of this phenomenon. The observed modulation of the spectrum is explained by changes in the leakage mechanism.