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Interaction of relativistic dust grains with the solar radiation field

McBreen, B. and Plunkett, S. and Lambert, Colin (1993) Interaction of relativistic dust grains with the solar radiation field. Astrophysics and space science, 205 (2). pp. 355-358. ISSN 0004-640X

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Abstract

The effects of the solar radiation field on the propagation of relativistic dust grains are evaluated. It is concluded that relativistic iron grains with energies almost-equal-to 10(19) eV will melt in the solar radiation field before they reach the Earth's orbit around the Sun. However iron grains with lower energies will reach the Earth's orbit but grains travelling from the direction of the Sun will melt. This directional anisotropy or fingerprint may be used to search for relativistic dust grains in the primary cosmic rays. The tact that no significant solar system anisotropy has been detected places constraints on the hypothesis that the initiating particles of the extensive air showers are relativistic iron grains.

Item Type: Article
Journal or Publication Title: Astrophysics and space science
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 58048
Deposited By: ep_importer_pure
Deposited On: 19 Oct 2012 14:35
Refereed?: Yes
Published?: Published
Last Modified: 10 Apr 2014 00:06
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/58048

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