The controlling effect of the cold plasma density over theacceleration and loss of ultra-relativistic electrons

Yuri Shprits1, Hayley Allison1, Dedong Wang2 and Alexander Drozdov3, (1)Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Potsdam, Germany, (2)GFZ German Research Centre for Geosciences, Potsdam, Germany, (3)University of California Los Angeles, Los Angeles, CA, United States