When recent experimental positronium (Ps) formation cross sections in noble gases have been compared with the most up-to date theoretical studies, the agreement is qualitative, but not quantitative. In this paper we re-examine this process and show that at low energies Ps formation must be treated non-perturbatively. We also look at Ps formation with inner shell electrons.
|Number of pages||7|
|Journal||Nuclear Instruments & Methods in Physics Research - Section B: Beam Interactions with Materials and Atoms|
|Issue number||1 SPEC. ISS.|
|Publication status||Published - Jun 2006|
ASJC Scopus subject areas
- Surfaces, Coatings and Films
- Surfaces and Interfaces