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Access of solar protons into the polar cap: A persistent north-south asymmetry

Evans, L. C. and Stone, E. C. (1969) Access of solar protons into the polar cap: A persistent north-south asymmetry. Journal of Geophysical Research A, 74 (21). pp. 5127-5131. ISSN 0148-0227. https://resolver.caltech.edu/CaltechAUTHORS:20140407-084852501

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Abstract

Before the magnetic storm sudden commencement during the November 2, 1967, solar particle event, the access of 1.2- to 40-Mev protons into the high-latitude portion of the northern polar region was delayed by ∼20 hours. At the same time the access delay for 10- to 40-Mev protons was ≲1 hour in the southern polar region and at middle northern latitudes. The implications of the north-south asymmetry are discussed.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://onlinelibrary.wiley.com/doi/10.1029/JA074i021p05127/abstractPublisherArticle
http://dx.doi.org/10.1029/JA074i021p05127DOIArticle
ORCID:
AuthorORCID
Stone, E. C.0000-0002-2010-5462
Additional Information:© 1969 American Geophysical Union. Received July 7, 1969. We gratefully acknowledge the collaboration and support of Drs. J. A. Simpson and C. Y. Fan during various stages of this joint University of Chicago/California Institute of Technology program. The instrument was constructed by the Laboratory for Astrophysics and Space Research of the University of Chicago. We also thank Dr. L. Davis, Jr., for helpful discussions. This work was supported by the National Aeronautics and Space Administration under contract NAS 5-3095 and grant NGL 05-002-007. Space Radiation Laboratory SRL ID #: 1969-06
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAS 5-3095
NASANGL 05-002-007
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1969-06
Issue or Number:21
Record Number:CaltechAUTHORS:20140407-084852501
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140407-084852501
Official Citation:Evans, L. C., and E. C. Stone (1969), Access of solar protons into the polar cap: A persistent north-south asymmetry, J. Geophys. Res., 74(21), 5127–5131, doi:10.1029/JA074i021p05127
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:44677
Collection:CaltechAUTHORS
Deposited By: SWORD User
Deposited On:07 Apr 2014 16:31
Last Modified:20 Feb 2020 14:33

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