Neutron star quakes and the origin of the "knee" in the cosmic ray spectrum.

Details Neutron star quakes and the origin of the "knee" in the cosmic ray spectrum. Neutron star quakes and the origin of the "knee" in the cosmic ray spectrum.

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...306..326c&link_type=abstract

Astronomy and Astrophysics, v.306, p.326

Astronomy and Astrophysics

Astrophysics

6

Acceleration Of Particles, Pulsars, Gamma Rays: Bursts, Cosmic Rays

Scientific paper

The quake-induced Alfven waves in the magnetosphere of neutron stars can accelerate electrons to high energies and give rise a burst of gamma rays. Here we generalize the acceleration mechanism to protons and demonstrate that the Galactic proton flux from dead canonical pulsars is sufficient to account for the "knee" feature in the energy range 10^15^eV-10^16^eV of primary cosmic rays. Furthermore, we find that the overall star-quake (glitch) rate of galactic neutron stars is about 1 event per day, which is quite consistent with the gamma-ray burst rate.

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