Ion beams in the plasma sheet

Joachim Birn, Space Science Institute, Boulder, CO, United States, Michael O Chandler, NASA Marshall Space Flight Center, Huntsville, United States, Thomas Earle Moore, NASA Goddard Space Flight Ctr, Greenbelt, United States and Andrei Runov, University of California Los Angeles, Department of Earth, Planetary and Space Sciences, Los Angeles, CA, United States