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Characteristics of 3He-Rich Energetic Particle Events Observed with the SIS Instrument on ACE

Wiedenbeck, M. E. and Christian, E. R. and Cohen, C. M. S. and Cummings, A. C. and Leske, R. A. and Mewaldt, R. A. and Slocum, P. L. and Stone, E. C. and von Rosenvinge, T. T. (1999) Characteristics of 3He-Rich Energetic Particle Events Observed with the SIS Instrument on ACE. In: Proceedings of the 26th International Cosmic Ray Conference. Vol.6. International Union of Pure and Applied Physics , pp. 99-102. http://resolver.caltech.edu/CaltechAUTHORS:20150211-114545256

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Abstract

We report observations of ^3He-rich solar energetic particle (SEP) events made with the Solar Isotope Spectrometer (SIS) aboard the Advanced Composition Explorer (ACE) spacecraft. SIS has been measuring helium isotopes above ~ 4 MeV /nucleon since August 1997 using a dE/dx vs. totalenergy sensor system employing large-area silicon solid-state detectors. We show examples of the helium isotope data being collected by SIS. Using data such as these it is possible to characterize the properties of ^3He-rich events including isotopic abundances, intensities, spectral hardness, and timing characteristics. These data can be correlated with other sources of information for the same events including particle measurements made at lower energies and observations of electromagnetic radiations from the flare site. Results of these types of analyses will be presented at the conference.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/1999ICRC....6...99WADSArticle
ORCID:
AuthorORCID
Cohen, C. M. S.0000-0002-0978-8127
Additional Information:© University of Utah. Provided by the NASA Astrophysics Data System. This research was supported by NASA at the California Institute of Technology (under grant NAG5-6912), the Jet Propulsion Laboratory, and the 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 Laboratory1999-19
Record Number:CaltechAUTHORS:20150211-114545256
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150211-114545256
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54722
Collection:CaltechAUTHORS
Deposited By: Deborah Miles
Deposited On:13 Feb 2015 15:13
Last Modified:13 Sep 2017 16:01

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