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.
doi:10.1029/JA074i021p05127.
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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 |
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| 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 |
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| Group: | Space Radiation Laboratory |
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| Funders: | | Funding Agency | Grant Number |
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| NASA | NAS 5-3095 | | NASA | NGL 05-002-007 |
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| Other Numbering System: | | Other Numbering System Name | Other Numbering System ID |
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| Space Radiation Laboratory | 1969-06 |
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| Issue or Number: | 21 |
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| DOI: | 10.1029/JA074i021p05127 |
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| Record Number: | CaltechAUTHORS:20140407-084852501 |
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| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140407-084852501 |
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| 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 |
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| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
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| ID Code: | 44677 |
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| Collection: | CaltechAUTHORS |
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| Deposited By: |
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| Deposited On: | 07 Apr 2014 16:31 |
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| Last Modified: | 10 Nov 2021 16:55 |
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