SIMBAD references

2013ApJ...768..124B - Astrophys. J., 768, 124 (2013/May-2)

Cosmic-ray transport and anisotropies.

BIERMANN P.L., BECKER TJUS J., SEO E.-S. and MANDELARTZ M.

Abstract (from CDS):

We show that the large-scale cosmic-ray anisotropy at ∼10 TeV can be explained by a modified Compton-Getting effect in the magnetized flow field of old supernova remnants. Cosmic rays arrive isotropically to the flow field and are then carried along with the flow to produce a large-scale anisotropy in the arrival direction. This approach suggests an optimum energy scale for detecting the anisotropy. Two key assumptions are that propagation is based on turbulence following a Kolmogorov law and that cosmic-ray interactions are dominated by transport via cosmic-ray-excited magnetic irregularities through the stellar wind of an exploding star and its shock shell. A prediction is that the amplitude is smaller at lower energies due to incomplete sampling of the velocity field and also smaller at larger energies due to smearing.

Abstract Copyright:

Journal keyword(s): astroparticle physics - cosmic rays - ISM: structure - ISM: supernova remnants

Simbad objects: 4

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