equatorial pitch angle distribution

Zhang, X. -J., Li, W., Ma, Q., Thorne, R., Angelopoulos, V., Bortnik, J., et al. (2016). Direct evidence for EMIC wave scattering of relativistic electrons in space. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2016JA022521 (Original work published July 2016)