5 papers
The problem of escape: a missing bit in the theory of the origin of cosmic rays
P. Blasi, E. Amato
The escape of cosmic rays from their sources, as well as from the region surrounding a source, or from the galaxy hosting the sources, is a non-linear process that involves a compl…
Suppressed diffusion and gamma-ray emission from the Cygnus bubble
Ben Li, Pasquale Blasi, Elena Amato
Recent gamma-ray observations indicate that star clusters can be efficient particle accelerators. In particular, LHAASO has detected diffuse gamma-ray emission from Cygnus OB2 exte…
Acoustic instability at shock-wave precursors
Antonio Capanema, Pasquale Blasi, Emanuele Sobacchi
Magnetic field amplification is an integral part of the process of particle acceleration at non-relativistic shocks. It is necessary to reach the maximum energies required by obser…
Gamma radiation from cosmic rays escaping a young supernova remnant: The case of Cas A
P. Blasi
The escape of accelerated particles from supernova remnants remains one of the central and yet least understood aspects of the origin of cosmic rays. Here we use the results of the…
Supernova remnants in super bubbles as cosmic ray accelerators
Iurii Sushch, Pasquale Blasi, Robert Brose
Supernova remnants (SNRs) are often considered as the main sites of acceleration of cosmic rays in our Galaxy, possibly up to the knee. However, their ability to accelerate particl…