關鍵字查詢 | 類別:會議論文 | | 關鍵字:Radial Dependence

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序號 學年期 教師動態
1 104/2 航太系 汪愷悌 助理教授 會議論文 發佈 Pitch-Angle Distribution for Electrons at Dipolarization Sites: Radial Dependence , [104-2] :Pitch-Angle Distribution for Electrons at Dipolarization Sites: Radial Dependence會議論文Pitch-Angle Distribution for Electrons at Dipolarization Sites: Radial DependenceWang, Kaiti; Lin, Ching-Huei; Tohru Hada; Y. Nishimura, V. AngelopoulosBook of Abstracts, ICPP 2016, pp.M2-17The observed dipolarization effects on pitch-angle distributions (PAD) of electrons at the tailside in the inner plasmasheet during geomagnetic activity have been studied via analyzing data from THEMIS mission1. We have shown that cigar distributions below about 1keV tend to become isotropized at the fronts whereas isotropic distributions above 1keV tend to become more cigar-shaped and the ineffectiveness of Fermi acceleration at lower energies could be the factor causing this difference. In this study, through investigating the evolution of pitch-angle distributions of multi-events during dipolarization, the dependence of this effect on radial distance from Earth taking place at or near dipolarization sites durin
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