Elemental and isotopic fractionation in 3He-rich solar energetic particle events

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. (2008) Elemental and isotopic fractionation in 3He-rich solar energetic particle events. In: Particle Acceleration and Transport in the Heliosphere and Beyond: 7th Annual International Astrophysics Conference. AIP Conference Proceedings. No.1039. American Institute of Physics , Kauai, HI, pp. 149-155. ISBN 9780735405660. https://resolver.caltech.edu/CaltechAUTHORS:20090727-132850697

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Abstract

Using data from the Solar Isotope Spectrometer (SIS) on the Advanced Composition Explorer (ACE) mission, heavy ion composition measurements have been made in 26^3He-rich solar energetic particle (SEP) events that occurred between 1998 and 2004. Relative abundances of 13 elements from C through Ni have been investigated, as have the isotopic compositions of the elements Ne and Mg. We find a general tendency for the abundances to follow trends similar to those found in gradual SEP events, in which fractionation can be represented in the form of a power-law in Q/M. However several deviations from this pattern are noted that may provide useful diagnostics of the acceleration process occurring in solar flares.

Item Type:

Book Section

Related URLs:

URL	URL Type	Description
http://dx.doi.org/10.1063/1.2982438	DOI	Article
http://link.aip.org/link/?APCPCS/1039/149/1	Publisher	Article

ORCID:

Author	ORCID
Wiedenbeck, M. E.	0000-0002-2825-3128
Leske, R. A.	0000-0002-0156-2414
Cohen, C. M. S.	0000-0002-0978-8127
Cummings, A. C.	0000-0002-3840-7696
Mewaldt, R. A.	0000-0003-2178-9111
Stone, E. C.	0000-0002-2010-5462

Additional Information:

© 2008 American Institute of Physics. This research was supported by NASA at the California Institute of Technology (grant NAG5-12929), the Jet Propulsion Laboratory, and the Goddard Space Flight Center.

Group:

Space Radiation Laboratory

Funders:

Funding Agency	Grant Number
NASA	NAG5-12929

Subject Keywords:

solar energetic particles, solar flares, composition, isotopes

Other Numbering System:

Other Numbering System Name	Other Numbering System ID
Space Radiation Laboratory	2008-30

Series Name:

AIP Conference Proceedings

Issue or Number:

1039

Classification Code:

PACS: 96.50.Vg, 96.50.sb, 96.50.Pw

DOI:

10.1063/1.2982438

Record Number:

CaltechAUTHORS:20090727-132850697

Persistent URL:

https://resolver.caltech.edu/CaltechAUTHORS:20090727-132850697

Usage Policy:

No commercial reproduction, distribution, display or performance rights in this work are provided.

ID Code:

14674

Collection:

CaltechAUTHORS

Deposited By:

Ruth Sustaita

Deposited On:

07 Aug 2009 23:31

Last Modified:

08 Nov 2021 23:13

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