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Micro- and macro- signatures of energetic charged particles in planetary magnetospheres

Selesnick, R. S. (1993) Micro- and macro- signatures of energetic charged particles in planetary magnetospheres. Advances in Space Research, 13 (10). pp. 221-230. ISSN 0273-1177. http://resolver.caltech.edu/CaltechAUTHORS:20140512-110357579

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Abstract

Satellites orbiting within the magnetospheres of the giant planets are effective absorbers of trapped radiation, forming the characteristic and dominant structure of the radiation belts. The study of satellite absorption signatures observed by charged particle detectors involves simulating the detector response to particle distributions that include the effects of the time- and longitude-dependent absorption, guiding center drifts, and diffusion. The calculations are most easily carried out by separating solutions of the transport equation into time-dependent and -independent parts, that typically lead to small and large scale features called micro- and macro- signatures respectively. In this paper, methods for calculating the two types of signatures are described, and applied to the case of electron absorption by Saturn's satellite Mimas. The results are compared with data from Pioneer 11 and Voyager 2.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0273-1177(93)90073-KDOIArticle
http://www.sciencedirect.com/science/article/pii/027311779390073KPublisherArticle
Additional Information:Copyright © 1993 COSPAR. Published by Elsevier. The idea of further investigating the interpretation of the Mimas microsignatures was suggested to me by Chris Goertz during fruitful discussions that we had on this subject. This work was supported by NASA under contract NAS7-918 and grant NAGW-2402.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAS7-918
NASANAGW-2402
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1992-08
Record Number:CaltechAUTHORS:20140512-110357579
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140512-110357579
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45682
Collection:CaltechAUTHORS
Deposited By: Deborah Miles
Deposited On:12 May 2014 21:52
Last Modified:17 Sep 2015 00:21

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