ultrarelativistic electrons

Baker, D., Jaynes, A., Hoxie, V., Thorne, R., Foster, J., Li, X., et al. (2014). An impenetrable barrier to ultrarelativistic electrons in the Van Allen radiation belts. Nature, 515, 531-534. http://doi.org/10.1038/nature13956 (Original work published November 2014)

Aseev, N., Shprits, Y. . Y., Drozdov, A. . Y., Kellerman, A., Usanova, M., Wang, D., & Zhelavskaya, I. (2017). Signatures of Ultrarelativistic Electron Loss in the Heart of the Outer Radiation Belt Measured by Van Allen Probes. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2017JA024485 (Original work published September 2017)

Zhao, H., Baker, D. N., Li, X., Malaspina, D. M., Jaynes, A. N., & Kanekal, S. G. (2019). On the Acceleration Mechanism of Ultrarelativistic Electrons in the Center of the Outer Radiation Belt: A Statistical Study. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2019JA027111 (Original work published October 2019)

Zhao, H., Baker, D., Li, X., Jaynes, A., & Kanekal, S. (2019). The Effects of Geomagnetic Storms and Solar Wind Conditions on the Ultrarelativistic Electron Flux Enhancements. Journal Of Geophysical Research: Space Physics, 124, 1948-1965. http://doi.org/10.1029/2018JA026257 (Original work published March 2019)