Figure S1. The electron PSD at K = 0.11
G1/2RE and different μ(μ = 209, 302, 630, 1096, 2290, and 3311 MeV/G) as a function ofL* along the trajectory of Van Allen Probe A during the time
interval from 11:13 UT on 8 December to 02:24 UT on 9 December 2013.
Figure S2. Wave characteristics of observed by Van Allen Probe
A (circles) and modeled (line) frequency-dependent magnetic power
spectral density B 2f at
~ 11:30 UT on 1 May (around L = 6. 20).
Figure S3. The distributions of 1-D diffusion coefficients in
the range of 0◦ ≤ ɑe ≤
90◦ and 0.3 MeV ≤ Ek ≤ 0.9 MeV
electrons at ~ 11:30 UT on 1 May (around L =
6. 20).