Electron collisions with 4He2+ at the TSR (2009)
Buhr, Henrik, Pedersen, H. B., Altevogt, S., Adrianarijaona, V. M., Kreckel, Holger, Lammich, L., ...
High-Resolution Electron Collision Spectroscopy with Multicharged Ions in Merged Beams (2007)
The Heidelberg ion storage ring TSR is currently the only ring equipped with two independent devices for the collinear merging of a cold electron beam with stored ions. This greatly improves the...