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Solar Energetic Particle Spectra and Composition in the October/November 2003 Events

Cohen, C. M. S. and Mason, G. M. and Stone, E. C. and Mewaldt, R. A. and Leske, R. A. and Desai, M. I. and Cummings, A. C. and von Rosenvinge, T. T. and Wiedenbeck, M. E. (2005) Solar Energetic Particle Spectra and Composition in the October/November 2003 Events. In: Proceedings of the 29th International Cosmic Ray Conference. Vol.1. Tata Institute of Fundamental Research , Mumbai, India, pp. 311-314. http://resolver.caltech.edu/CaltechAUTHORS:20140903-084303356

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Abstract

The series of extremely large solar energetic particle (SEP) events of October and November 2003 were well observed by many spacecraft. We have combined data from the ULEIS and SIS instruments on ACE to obtain particle intensities over >3 decades in energy. The event-integrated composition (carbon through iron) not only varies from event to event, but also as a function of energy within an SEP event. These compositional variations are a result of the element-dependent spectral breaks and we suggest they can be substantially reduced when the spectra are examined in terms of rigidity-dependent escape from the shock.


Item Type:Book Section
ORCID:
AuthorORCID
Cohen, C. M. S.0000-0002-0978-8127
Mason, G. M.0000-0003-2169-9618
Additional Information:© 2005 Tata Institute of Fundamental Research. This work was supported by NASA at Caltech (under grant NAG5-6912), the Jet Propulsion Laboratory, NASA/GSFC, and in part under Caltech grant 44A1055749 at the University of Maryland.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAG5-6912
JPLUNSPECIFIED
Goddard Space Flight CenterUNSPECIFIED
Caltech44A1055749
Record Number:CaltechAUTHORS:20140903-084303356
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140903-084303356
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49176
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:05 Sep 2014 21:49
Last Modified:12 Sep 2017 19:15

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