P. Massmann

Inelastic processes in low-energy ion-surface collisions

Singlet-to-triplet conversion of metastable He atoms at alkali-metal overlayers

High current ion source

Plasma-material interactions in current tokamaks and their implications for next step fusion reactors

Vacuum arc ion sources

Beryllium plasma-facing components: JET experience

Negative surface ionization of hydrogen and its application to plasma diagnostics

Production of a dense low energy positive hydrogen ion beam

<title>Testing of plasma facing materials for divertors in the JET neutral-beam test bed</title>