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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Observations and Fokker-Planck Simulations of the L-Shell, Energy, and Pitch Angle Structure of Earth's Electron Radiation Belts During Quiet Times
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Observations and Fokker-Planck Simulations of the L-Shell, Energy, and Pitch Angle Structure of Earth's Electron Radiation Belts During Quiet Times

机译:观察和福克尔普朗克模拟l层、能源和螺距角结构地球辐射带电子在安静次

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摘要

The evolution of the radiation belts in L-shell (L), energy (E), and equatorial pitch angle (α_0) is analyzed during the calm 11-day interval (4-15 March) following the 1 March 2013 storm. Magnetic Electron and Ion Spectrometer (MagEIS) observations from Van Allen Probes are interpreted alongside 1D and 3D Fokker-Planck simulations combined with consistent event-driven scattering modeling from whistler mode hiss waves. Three (L, E, α_0) regions persist through 11 days of hiss wave scattering; the pitch angle-dependent inner belt core (L ~ ~5 and E~ 100 keV, 3.5 < L < L_(pp) ~ 6. Thus, observed unidirectional flux decays can be used to estimate local pitch angle diffusion rates in that region. Top-hat distributions are computed and observed at L ~ 3-3.5 and E = 100-300 keV.
机译:在l层辐射带的演变(左)、能源(E)和赤道螺旋角(α_0)在冷静分析了11天的时间间隔(4-153)后,2013年3月1日风暴。电子和离子谱仪(MagEIS)观察从范艾伦辐射探测器解释与1 d和3 d福克尔普朗克模拟结合一致的事件驱动的从惠斯勒模式嘶嘶声散射建模波。11天的嘶嘶声波散射;angle-dependent内部辐射带核心(L E ~ ~ 5和E ~ 100 keV, 3.5 L < < L_ (pp) ~ 6。可以使用观察单向通量衰减估计当地的螺旋角扩散率该地区。和观察到L ~ 3 - 3.5 E = 100 - 300 keV。

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