Active Spacecraft Potential Control with an Electron Beam to Enable Cold Electron Measurements in the Earth’s Magnetosphere

Pedro Alberto Resendiz Lira1, Gian Luca Delzanno1, Joseph Borovsky2 and Carlos Maldonado3, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Space Science Institute, Los Alamos, NM, United States, (3)Los Alamos National Laboratory, ISR-1, Los Alamos, NM, United States