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Cosmic ray acceleration at oblique shocks

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arxiv 1108.0582 v1 pith:VJ2Q65SA submitted 2011-08-02 astro-ph.HE

A.R. Bell , K.M. Schure , B. Reville This is my paper · ORCID
classification astro-ph.HE
keywords shocksspectralaccelerationindexobliqueanisotropiesapproximationbreaks
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We show that the diffusion approximation breaks down for particle acceleration at oblique shocks with velocities typical of young supernova remnants. Higher order anisotropies flatten the spectral index at quasi-parallel shocks and steepen the spectral index at quasi-perpendicular shocks. We compare the theory with observed spectral indices.

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Cited by 2 Pith papers

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

  1. Deep Learning Analysis of Ions Accelerated at Shocks

    astro-ph.HE 2025-11 conditional novelty 6.0 of 10

    A convolutional neural network can predict with >90% accuracy whether an ion at a collisionless shock is injected into acceleration, using only the local magnetic field time series from its first few gyrations.

  2. Speed-dependent Threshold for Electron Injection into Diffusive Shock Acceleration

    astro-ph.HE 2025-06 conditional novelty 6.0 of 10

    Electrons enter diffusive shock acceleration once their speed exceeds the shock speed, producing nonthermal tails that start at low momenta.

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