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The ^3He-Rich SEP Events of August 2002: Exceptional Elemental and Isotopic Composition Patterns at Energies Above 10 MeV / Nucleon

Wiedenbeck, M. E. and Leske, R. A. and Cohen, C. M. S. and Cummings, A. C. and Mewaldt, R. A. and Stone, E. C. and von Rosenvinge, T. T. (2003) The ^3He-Rich SEP Events of August 2002: Exceptional Elemental and Isotopic Composition Patterns at Energies Above 10 MeV / Nucleon. In: Proceedings of the 28th International Cosmic Ray Conference. Vol.6. Universal Academy Press , Tokyo, Japan, pp. 3245-3247. http://resolver.caltech.edu/CaltechAUTHORS:20150305-150054215

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Abstract

Heavy-ion composition observations from the Solar Isotope Spectrometer on ACE are reported for four ^3He-rich solar-energetic-particle (SEP) events that occurred in August 2002. The abundance enhancement patterns are not monotonic functions of atomic number (or mass), such as is commonly found in 3He-rich events, but have large enhancements of abundance ratios between some neighboring elements (e.g., N/O) and between isotopes of some elements (e.g., 26Mg/24Mg). The possibility that these patterns could be indicative resonant acceleration of particles within a narrow range of charge-to-mass ratios is considered.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/2003ICRC....6.3245WADSArticle
ORCID:
AuthorORCID
Cohen, C. M. S.0000-0002-0978-8127
Additional Information:Copyright 2003 by Universal Academy Press, Inc. This work was supported by NASA at Caltech (under grants NAG5-6912 and NAG5-12929), JPL, and GSFC.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAG5-6912
NASANAG5-12929
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2003-10
Record Number:CaltechAUTHORS:20150305-150054215
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150305-150054215
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55554
Collection:CaltechAUTHORS
Deposited By: Deborah Miles
Deposited On:06 Mar 2015 00:43
Last Modified:12 Sep 2017 19:26

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