Energetic particles in the heliosphere

Autor(en): Heber, B
Stichwörter: cosmic rays; COSMIC-RAY MODULATION; ELECTRONS; LATITUDINAL GRADIENTS; modulation; PERPENDICULAR DIFFUSION; Physics; Physics, Nuclear; Physics, Particles & Fields; propagation; PROTON; SOLAR MODULATION; TRANSPORT; ULYSSES
Erscheinungsdatum: 2005
Herausgeber: WORLD SCIENTIFIC PUBL CO PTE LTD
Journal: INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volumen: 20
Ausgabe: 29
Startseite: 6621
Seitenende: 6632
Zusammenfassung: 
The hehosphere is the region around the Sun that is filled by the solar wind and its embedded magnetic field. The interaction of the supersonic solar wind with the local interstellar medium leads to a transition from supersonic to subsonic speeds at the heliospheric termination shock. The latter is regarded to be the source of the anomalous component of cosmic rays. Within the heliosphere ``local'' energetic particle sources, like the Sun and interplanetary shock waves contribute to the cosmic ray flux, too. At energies below a few GeV the observed galactic and anomalous cosmic ray intensities are modulated by the heliospheric magnetic field. In my contribution, both the current knowledge and hypotheses about modulation and the transport of cosmic rays in the heliosphere are reviewed.
Beschreibung: 
19th European Cosmic Ray Symposium, Florence, ITALY, AUG 30-SEP 03, 2003
ISSN: 0217751X
DOI: 10.1142/S0217751X05029654

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