Secondary cosmic-ray nuclei in the Galactic halo model with nonlinear Landau damping

Autor:	Chernyshov, D. O., Ivlev, A. V., Dogiel, V. A.
Rok vydání:	2023
Předmět:	Astrophysics - Astrophysics of Galaxies
Zdroj:	A&A, 686 (2024) A165
Druh dokumentu:	Working Paper
DOI:	10.1051/0004-6361/202348766
Popis:	We employed our recent model of the cosmic-ray (CR) halo to compute the Galactic spectra of stable and unstable secondary nuclei. In this model, confinement of the Galactic CRs is entirely determined by the self-generated Alfvenic turbulence whose spectrum is controlled by nonlinear Landau damping. We analyzed the physical parameters affecting propagation characteristics of CRs and estimated the best set of free parameters providing accurate description of available observational data. We also show that agreement with observations at lower energies may be further improved by taking into account the effect of ion-neutral damping that operates near the Galactic disk. Comment: 7 pages, 2 figures. Published in A&A. Updated to match the published version
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2309.04772 Zobrazit plný text záznamu View this record from Arxiv