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@ARTICLE{Marle:470101,
author = {Marle, Allard Jan van and Bohdan, Artem and Morris, Paul
and Pohl, Martin and Marcowith, Alexandre},
title = {{D}iffusive shock acceleration at oblique high {M}ach
number shocks},
reportid = {PUBDB-2021-04070, DESY-21-171. arXiv:2203.00353},
year = {2021},
note = {Accepted for publication in ApJ},
abstract = {The current paradigm of cosmic ray (CR) origin states that
the most part of galactic CRs is produced by supernova
remnants. The interaction of supernova ejecta with the
interstellar medium after supernova's explosions results in
shocks responsible for CR acceleration via diffusive shock
acceleration (DSA). We use particle-in-cell (PIC)
simulations and a combined PIC-magnetohydrodynamic (PIC-MHD)
technique to investigate whether DSA can occur in oblique
high Mach number shocks. Using the PIC method, we follow the
formation of the shock and determine the fraction of the
particles that gets involved in DSA. Then, with this result,
we use PIC-MHD simulations to model the large-scale
structure of the plasma and the magnetic field surrounding
the shock and find out whether or not the reflected
particles can generate the upstream turbulence and trigger
DSA. We find that the feasibility of this process in oblique
shocks depends strongly on the Alfvenic Mach number, and the
DSA process is more likely triggered at high Mach number
shocks.},
cin = {$Z_THAT$},
cid = {$I:(DE-H253)Z_THAT-20210408$},
pnm = {611 - Fundamental Particles and Forces (POF4-611)},
pid = {G:(DE-HGF)POF4-611},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)25},
eprint = {2203.00353},
howpublished = {arXiv:2203.00353},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2203.00353;\%\%$},
doi = {10.3204/PUBDB-2021-04070},
url = {https://bib-pubdb1.desy.de/record/470101},
}