292 citations · 852 across the 14 of their papers we have counts for
14 papers
Cosmic ray acceleration by shocks: spectral steepening due to turbulent magnetic field amplification
Anthony Bell, James Matthews, Katherine Blundell
We show that the energy required to turbulently amplify magnetic field during cosmic ray (CR) acceleration by shocks extracts energy from the CR and steepens the CR energy spectrum…
Transport of high-energy charged particles through spatially-intermittent turbulent magnetic fields
L. E. Chen, A. F. A. Bott, P. Tzeferacos +22
Identifying the sources of the highest energy cosmic rays requires understanding how they are deflected by the stochastic, spatially intermittent intergalactic magnetic field. Here…
Cosmic Ray Acceleration by Relativistic Shocks: Limits and Estimates
AR Bell, AT Araudo, JH Matthews +1
We examine limits to the energy to which cosmic rays can be accelerated by relativistic shocks, showing that acceleration of light ions as high as 100 EeV is unlikely. The implicat…
Particle acceleration and magnetic field amplification in the jets of 4C74.26
Anabella T. Araudo, Anthony R. Bell, Katherine M. Blundell
We model the multi-wavelength emission in the southern hotspot of the radio quasar 4C74.26. The synchrotron radio emission is resolved near the shock with the MERLIN radio-interfer…
Collisionless Shocks and TeV Neutrinos before Supernova Shock Breakout from an Optically Thick Wind
G. Giacinti, A. R. Bell
During a supernova explosion, a radiation-dominated shock (RDS) travels through its progenitor. A collisionless shock (CS) is usually assumed to replace it during shock breakout (S…
Cosmic Ray Origins in Supernova Blast Waves
A. R. Bell
We extend the self-similar solution derived by Chevalier for a Sedov blast wave accelerating cosmic rays (CR) to show that the Galactic CR population can be divided into: (A) CR wi…