PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - CRD - Cosmic Ray Direct
Escape-limited maximum energy at perpendicular shocks in the interstellar magnetic field
S.F. Kamijima* and Y. Ohira
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Pre-published on: July 29, 2021
Published on:
Abstract
We investigate the maximum energy limited by the escape from a perpendicular shock region of a spherical shock in the interstellar medium (ISM), and the size of the rapid acceleration region. The perpendicular shock in supernova remnants (SNRs) has been expected to be PeVatrons without a magnetic field amplification in the upstream region. We perform test particle simulations, showing that the escape-limited maximum energy in the perpendicular shock is about a few 10TeV for the typical type Ia SNRs.
DOI: https://doi.org/10.22323/1.395.0146
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