Three-body Coulomb problem probed by mapping the Bethe surface in ionizingion-atom collisions - art. no. 223201

Citation
R. Moshammer et al., Three-body Coulomb problem probed by mapping the Bethe surface in ionizingion-atom collisions - art. no. 223201, PHYS REV L, 8722(22), 2001, pp. 3201
Citations number
19
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
8722
Issue
22
Year of publication
2001
Database
ISI
SICI code
0031-9007(20011126)8722:22<3201:TCPPBM>2.0.ZU;2-Q
Abstract
The three-body Coulomb problem has been explored in kinematically complete experiments on single ionization of helium by 100 MeV/u C6+ and 3.6 MeV/u A u53+ impact. Low-energy electron emission (E-e < 150 eV) as a function of t he projectile deflection <theta>(p) (momentum transfer), i.e., the Bethe su rface [15], has been mapped with Delta theta (p) +/- 25 nanoradian resoluti on at extremely large perturbations (3.6 MeV/u Au53+) where single ionizati on occurs at impact parameters of typically 10 times the He K-shell radius. The experimental data are not in agreement with state-of-the-art continuum distorted wave-eikonal initial state theory.