ions of 67%. The analyzed U 4+ ion beam after dc postacceleration amounts to 25 mA at 131 kV which is 1.7 times higher than the requested ion beam current at the entrance of the radio frequency quadrupole [...] replacement at the injector, and longer lifetime. more... 2004 American Institute of Physics. [DOI: 10.1063/1.1691516 ] Author: R. Hollinger et al. Comparison of different extraction and acceleration systems for [...] facile handling for beam time operation. more... 2004 American Institute of Physics. [DOI: 10.1063/1.1702123 ] Author: R. Hollinger et al. Charge sensitive evaluated ion and electron energy distributions