Mewaldt, R. A. and Mason, G. M. and Gloeckler, G. and Christian, E. R. and Cohen, C. M. S. and Cummings, A. C. and Davis, A. J. and Dwyer, J. R. and Gold, R. E. and Krimigis, S. M. and Leske, R. A. and Mazur, J. E. and Stone, E. C. and von Rosenvinge, T. T. and Wiedenbeck, M. E. and Zurbuchen, T. H. (2001) Long-term fluences of energetic particles in the heliosphere. In: Solar and Galactic Composition: A Joint SOHO/ACE Workshop. AIP Conference Proceedings. No.598. American Institute of Physics , Melville, NY, pp. 165-170. ISBN 0-7354-0042-3 . https://resolver.caltech.edu/CaltechAUTHORS:20111118-100325232
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Abstract
We report energy spectra of He, O, and Fe nuclei, extending from ~0.3 keV/nucleon to ~300 MeV/nucleon, integrated over the period from the Fall of 1997 to mid-2000. These fluence measurements were made at 1 AU using data from the SWICS, ULEIS, SIS, and CRIS instruments on ACE, and include contributions from fast and slow solar wind, coronal mass ejections, pickup ions, impulsive and gradual solar particle events, acceleration in corotating interaction regions and other interplanetary shocks, and anomalous and galactic cosmic rays. Fluence measurements of six additional species are presented in the energy region from ~0.04 to ~100 MeV/nucleon. We discuss the relative contributions of the various particle components, and comment on the shape and time dependence of the measured energy spectra.
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| Additional Information: | © 2001 American Institute of Physics. Issue Date: 21 November 2001. | |||||||||
| Group: | Space Radiation Laboratory | |||||||||
| Subject Keywords: | solar cosmic ray particles; solar activity; charge measurement; energy measurement; astronomical instruments; mass spectrometers; iron; element relative abundance | |||||||||
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| Series Name: | AIP Conference Proceedings | |||||||||
| Issue or Number: | 598 | |||||||||
| Classification Code: | PACS: 96.60.Vg; 96.60.Fs; 95.55.Ev | |||||||||
| Record Number: | CaltechAUTHORS:20111118-100325232 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20111118-100325232 | |||||||||
| Official Citation: | Long-term fluences of energetic particles in the heliosphere R. A. Mewaldt, G. M. Mason, G. Gloeckler, E. R. Christian, C. M. S. Cohen, A. C. Cummings, A. J. Davis, J. R. Dwyer, R. E. Gold, S. M. Krimigis, R. A. Leske, J. E. Mazur, E. C. Stone, T. T. von Rosenvinge, M. E. Wiedenbeck, and T. H. Zurbuchen, AIP Conf. Proc. 598, 165 (2001), DOI:10.1063/1.1433995 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 27855 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Jason Perez | |||||||||
| Deposited On: | 21 Nov 2011 02:49 | |||||||||
| Last Modified: | 22 Nov 2019 09:58 |
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