Preinjection of cosmic rays and magnetic chemically peculiar stars

Details Preinjection of cosmic rays and magnetic chemically peculiar stars Preinjection of cosmic rays and magnetic chemically peculiar stars

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...110..203h&link_type=abstract

Astronomy and Astrophysics, vol. 110, no. 2, June 1982, p. 203-208.

Astronomy and Astrophysics

Astrophysics

2

Abundance, Cosmic Rays, Energy Spectra, Interstellar Space, Magnetic Stars, Peculiar Stars, Energy Dissipation, Heavy Elements, Particle Acceleration, Shock Wave Propagation

Scientific paper

It is suggested that magnetic peculiar A stars produce low energy cosmic rays which are reaccelerated by interstellar shocks; cosmic ray abundances and energy spectra calculated on the basis of this hypothesis agree well with observations. The slowing-down time of heavy elements in the low-energy component is longer than previously thought, because these elements are initially accelerated in a low charge state and also in part because they are not fully stripped at low energies. This increased slowing-down time apparently permits reacceleration to occur.

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