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Possible links between supersonic stellar winds and the origin of cosmic rays

Published online by Cambridge University Press:  12 April 2016

T. Montmerle ,
M. Cassé  and
J. Paul
T. Montmerle
Affiliation:
Section d'Astrophysique, Centre d'Etudes Nucléaires de Saclay, France
M. Cassé
Affiliation:
Section d'Astrophysique, Centre d'Etudes Nucléaires de Saclay, France
J. Paul
Affiliation:
Section d'Astrophysique, Centre d'Etudes Nucléaires de Saclay, France

Extract

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Cosmic rays (CR) are fast or relativistic protons and electrons (and nuclei), detected on the top of the terrestrial atmosphere. Except at the highest energies (>1017eV) the Larmor radii of the particles in the galactic magnetic field are much smaller than the scale height of the interstellar gas, and the arriving particles have completely lost memory of their sources. Therefore, their origin is unknown, at least directly. But recent advances in γ-ray astronomy, and in shock acceleration mechanisms, have shed a radically new light on a old problem.

Type
Session III - Winds From Early Type Stars: Theory
Information
International Astronomical Union Colloquium , Volume 59: Effects of Mass Loss on Stellar Evolution , 1981 , pp. 155 - 158
Copyright
Copyright © Reidel 1981

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