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Solar Relativistic Proton Fluxes in the Solar Flare of 14 July 2000

Published online by Cambridge University Press:  03 June 2005

Ruiguang Wang  and
Jingxiu Wang
Ruiguang Wang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China Institute of Science and Technology for Opto-Electron Information, Yantai University, Yantai 264005, China
Jingxiu Wang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
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Abstract

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We studied the solar proton differential energy spectra with energy range of 1$\sim$500 MeV at several time intervals during the 2000 July 14 solar flare. The results showed that before flare the spectra could be described by a power law function and after flare the power law spectra still existed above 30 MeV although spectra became softer with time. There was a spectral “knee” occurring at $\sim$30 MeV. We constructed a solar proton differential spectrum from 30 MeV to 3 GeV at peak flux time 10:30 UT and fitted it in the same manner. On the basis of a supposition of having the same power law spectrum in higher energy, we calculated the solar proton integrated fluxes in energy range of from 500 MeV to 20 GeV and compared them with other results obtained from experimental, modeling and theoretical calculations in other big historic SEP events.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Sun: coronal mass ejections (CMEs)particle emission
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS226 , September 2004 , pp. 381 - 383
Copyright
© 2005 International Astronomical Union