Quantitative comparisons of type III radio burst intensity and fast electron flux at 1 AU |
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| Authors: | R J Fitzenreiter L G Evans R P Lin |
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| Institution: | (1) Radio Astronomy Branch, Goddard Space Flight Center, Greenbelt, Md., U.S.A.;(2) System Sciences Division, Computer Sciences Corporation, Silver Spring, Md., U.S.A.;(3) Space Sciences Laboratory, University of California, Berkeley, Calif., U.S.A. |
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| Abstract: | We compare the flux of fast solar electrons and the intensity of the type III radio emission generated by these particles at 1 AU. We find that there are two regimes in the generation of type III radiation: one where the radio intensity is linearly proportional to the electron flux, and the second regime, which occurs above a threshold electron flux, where the radio intensity is proportional to the  2.4 power of the electron flux. This threshold appears to reflect a transition to a different emission mechanism. |
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