TY - RPRT TI - Spatially-Resolved Beam Current and Charge-State Distributions for the NEXT Ion Engine AU - Pollard, James E. AU - Diamant, Kevin D. AU - Crofton, Mark W. AU - Patterson, Michael J. AU - Soulas, George C. PY - 2010 UR - https://ntrs.nasa.gov/citations/20100033115 ID - 20100033115 ER -