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Cosmic ray acceleration and escape from supernova remnants

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arxiv 1301.7264 v1 pith:UC5TMALK submitted 2013-01-30 astro-ph.HE

AR Bell , KM Schure , B Reville , G Giacinti This is my paper · ORCID
classification astro-ph.HE
keywords accelerationcosmicenergyescapingkneespectrumsupernovaaccelerate
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Galactic cosmic ray (CR) acceleration to the knee in the spectrum at a few PeV is only possible if the magnetic field ahead of a supernova remnant (SNR) shock is strongly amplified by CR escaping the SNR. A model formulated in terms of the electric charge carried by escaping CR predicts the maximum CR energy and the energy spectrum of CR released into the surrounding medium. We find that historical SNR such as Cas A, Tycho and Kepler may be expanding too slowly to accelerate CR to the knee at the present time.

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Forward citations

Cited by 5 Pith papers

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

  1. Modelling Galactic neutrino emission: contributions from massive star clusters and interstellar cosmic rays

    astro-ph.HE 2026-06 unverdicted novelty 7.0 of 10

    Computes neutrino template maps from the Galactic Plane including star cluster emission, finding the cluster contribution may be non-negligible and consistent with IceCube best-fit templates.

  2. Why do massive stars form bow shocks? Bulk ISM motion as the main driver of bow shock formation and geometry

    astro-ph.SR 2026-08 conditional novelty 6.0 of 10

    Bulk interstellar gas motion, not stellar motion, dominates most massive star bow shocks; only about 21% are classical aligned bow shocks.

  3. Uncertainty in Hadronic Diffuse $\gamma$-Ray Emission from the Temporal Stochasticity of Cosmic-Ray Sources

    astro-ph.HE 2025-09 conditional novelty 6.0 of 10

    Temporal stochasticity of cosmic-ray sources causes a normalization uncertainty in the local proton flux that propagates into a hadronic gamma-ray uncertainty of 30-100%, comparable to or exceeding experimental errors...

  4. CRESCENDO II: Spectral cosmic rays with improved energy losses and realistic supernova seeding

    astro-ph.HE 2026-07 conditional novelty 5.0 of 10

    CRESCENDO's spectral cosmic-ray solver now includes improved energy-loss processes, non-ultra-relativistic energy/pressure integrals, and supernova-remnant template injection.

  5. Multiwavelength study of non-thermal emission in the Swift J1834.9-0846/W41 region

    astro-ph.HE 2026-07 conditional novelty 5.0 of 10

    Modeling favors a lepto-hadronic supernova remnant for the extended TeV emission from HESS J1834-087 plus a leptonic magnetar wind nebula for the central point-like source, with an implied magnetar birth spin period b...

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