Models for Galactic cosmic-ray propagation

Details Models for Galactic cosmic-ray propagation Models for Galactic cosmic-ray propagation

2001-01-04

arxiv.org/abs/astro-ph/0101068v1

Adv.Space Res. 27 (2001) 717-726

Astronomy and Astrophysics

Astrophysics

Invited talk at the 33rd COSPAR Scientific Assembly (Warsaw 2000); 10 pages including 10 ps-figures and 2 tables, latex2e, use

Scientific paper

10.1016/S0273-1177(01)00112-0

A new numerical model of particle propagation in the Galaxy has been developed, which allows the study of cosmic-ray and gamma-ray production and propagation in 2D or 3D, including a full reaction network. This is a further development of the code which has been used for studies of cosmic ray reacceleration, Galactic halo size, antiprotons and positrons in cosmic rays, the interpretation of diffuse continuum gamma rays, and dark matter. In this paper we illustrate recent results focussing on B/C, sub-Fe/Fe, ACE radioactive isotope data, source abundances and antiprotons. From the radioactive nuclei we derive a range of 3-7 kpc for the height of the cosmic-ray halo.

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