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Examining the Abundances of Rare Elements in Solar Energetic Particle Events

Cohen, C. M. S. and Mewaldt, R. A. and Christian, E. R. and Cummings, A. C. and Leske, R. A. and Slocum, P. L. and Stone, E. C. and von Rosenvinge, T. T. and Wiedenbeck, M. E. (2001) Examining the Abundances of Rare Elements in Solar Energetic Particle Events. In: Proceedings of the 27th International Cosmic Ray Conference. Vol.8. Copernicus Systems and Technology GmbH , Berlin, Germany, pp. 3128-3131. http://resolver.caltech.edu/CaltechAUTHORS:20150303-102207197

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Abstract

Using data accumulated with the Solar Isotope Spectrometer on ACE during 27 large solar energetic particle (SEP) events the effects of charge-to-mass (Q/M) fractionation on rare elements are examined. In an attempt to correct for these fractionation effects and obtain preliminary estimates of the coronal abundances of K, Ti, Cr, Mn, Co, Ni, Cu, and Zn, the SEP events are classified according to their Fe/Si ratio. The data from all events within an Fe/Si category are summed and the rare element abundances extracted over an energy interval of 20 to 65 MeV/nucleon. We estimated the apparent Q/M fractionation, corrected for it, and obtained initial results which are encouraging.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/2001ICRC....8.3128CADSArticle
ORCID:
AuthorORCID
Cohen, C. M. S.0000-0002-0978-8127
Additional Information:© Copernicus GmbH. This work was supported by NASA at Caltech (under grant NAG5-6912), Jet Propulsion Laboratory, and Goddard Space Flight Center.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAG5-6912
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2001-43
Record Number:CaltechAUTHORS:20150303-102207197
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150303-102207197
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55459
Collection:CaltechAUTHORS
Deposited By: Deborah Miles
Deposited On:05 Mar 2015 00:52
Last Modified:12 Sep 2017 23:23

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