'Survival' mechanism for relativistic cosmic dust grains

Details 'Survival' mechanism for relativistic cosmic dust grains 'Survival' mechanism for relativistic cosmic dust grains

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977afz....13..731e&link_type=abstract

Astrofizika, vol. 13, Nov. 1977, p. 731-735. In Russian.

Astronomy and Astrophysics

Astrophysics

1

Charged Particles, Cosmic Dust, Relativistic Particles, Solar Radiation, Astrophysics, Electric Fields, Electrostatic Charge, Intergalactic Media, Lorentz Force, Photoelectric Effect, Photons

Scientific paper

It is suggested that electric-charge accumulation on relativistic dust grains due to grain interactions with photons and interstellar gas atoms may compensate in some cases for the evaporation of grain material in strong electric fields. As a result, dust grains created in other galaxies could reach earth and produce extensive air showers. The survival probability of relativistic iron grains is estimated using experimental data obtained in electrostatic-ion-microscopic investigations of acicular metallic grains.

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