P. Vandenbergh et al., THE SPIG, IMPROVEMENT OF THE EFFICIENCY AND BEAM QUALITY OF AN ION-GUIDE BASED ONLINE ISOTOPE SEPARATOR, Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 126(1-4), 1997, pp. 194-197
SPIG (Sextupole Ion Beam Guide) has been constructed and tested to cou
ple an ion-guide based ion source to an on-line isotope separator. In
comparison to a skimmer, the SPIG offers both an increased beam qualit
y and the possibility to operate the ion-guide at higher buffer gas pr
essures.