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Chorus Acceleration Of Radiation Belt Relativistic Electrons During March 2013 Geomagnetic Storm, Fuliang Xiao, Chang Yang, Zhaoguo He, Zhenpeng Su, Qinghua Zhou, Yihua He, C A. Kletzing, W. S. Kurth, G. B. Hospodarsky, Harlan E. Spence, Geoffrey Reeves, H. O. Funsten, J. B. Blake, D. N. Baker, J. R. Wygant
Chorus Acceleration Of Radiation Belt Relativistic Electrons During March 2013 Geomagnetic Storm, Fuliang Xiao, Chang Yang, Zhaoguo He, Zhenpeng Su, Qinghua Zhou, Yihua He, C A. Kletzing, W. S. Kurth, G. B. Hospodarsky, Harlan E. Spence, Geoffrey Reeves, H. O. Funsten, J. B. Blake, D. N. Baker, J. R. Wygant
Physics & Astronomy
Abstract
The recent launching of Van Allen probes provides an unprecedent opportunity to investigate variations of the radiation belt relativistic electrons. During the 17-19 March 2013 storm, the Van Allen probes simultaneously detected strong chorus waves and substantial increases in fluxes of relativistic (2 - 4.5 MeV) electrons around L = 4.5. Chorus waves occurred within the lower band 0.1-0.5fce (theelectron equatorial gyrofrequency), with a peak spectral density ∼10-4 nT 2/Hz. Correspondingly, relativistic electron fluxes increased by a factor of 102-103 during the recovery phase compared to the main phase levels. By means of …