{TAIL ~ A Hall current ion source} with a positive magnetic gradient, with electric potential applied between {HEAD ~ cathode} and anode, where electrons move in a discharge channel in mainly radial magnetic field with a minimum magnetic field in anode area and where electrons are magnetized and move in closed drift trajectories, and ions are not influenced by magnetic field and move along axis to an ion sources end side; this ion source comprises of: 
{ TAIL ~ A Hall current ion source } with a positive magnetic gradient , with electric potential applied between { HEAD ~ cathode } and anode , where electrons move in a discharge channel in mainly radial magnetic field with a minimum magnetic field in anode area and where electrons are magnetized and move in closed drift trajectories , and ions are not influenced by magnetic field and move along axis to an ion sources end side ; this ion source comprises of :
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH