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Diffusion of Cosmic Rays in Expanding Universe. (I)

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arxiv astro-ph/0512090 v2 pith:SGFZHWUV submitted 2005-12-05 astro-ph

V. Berezinsky , A. Z. Gazizov This is my paper · ORCID
classification astro-ph
keywords energydiffusionsolutioncosmicexpandinglossesraysuniverse
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We present an analytic solution to diffusion equation for high energy cosmic rays in the expanding universe. The particles are assumed to be ultra-relativistic and they can have energy losses arbitrarily dependent on energy and time. The obtained solution generalizes the Syrovatsky solution, valid for the case when energy losses and diffusion coefficient are time-independent.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Attenuation of the ultra-high-energy neutrino flux by dark matter scatterings

    hep-ph 2025-08 unverdicted novelty 5.0 of 10

    UHE neutrino flux is attenuated by DM scatterings in intergalactic and galactic media, enabling cross-section limits from events like KM3230213A under mild astrophysical assumptions.

  2. Study of Flat Spectrum Radio Quasars and BL Lacertae Objects as Sources of Diffusive Ultra High-Energy Cosmic Rays

    astro-ph.HE 2025-11 unverdicted novelty 4.0 of 10

    BL Lacs remain consistent with UHECR observations while FSRQs are disfavoured by anisotropy and source density mismatches after propagation modeling.

  3. Analysing Ultra High Energy Cosmic Rays' Anisotropy in $\boldsymbol{f(R, T)}$ Gravity Theory

    astro-ph.HE 2024-12 conditional novelty 4.0 of 10

    Under f(R,T) gravity models, the predicted dipole anisotropy of diffusive UHECRs is lower than under ΛCDM, and with tuned magnetic field and source distance both fit Pierre Auger data.

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