6533b7dafe1ef96bd126ea4e
RESEARCH PRODUCT
Cross-sections for (e, 3e) collisions on helium: the DS6C wavefunction
Michael WalterJ R GötzJosephine P. Briggssubject
PhysicsContinuum (measurement)chemistry.chemical_elementCondensed Matter PhysicsAtomic and Molecular Physics and OpticschemistryFragmentation (mass spectrometry)CoulombImpact energyAtomic physicsBasso continuoWave functionHeliumElectron ionizationdescription
A dynamically screened product of six pairwise Coulomb functions (DS6C) is used as an analytic approximation to describe the four-body Coulomb continuum state produced by electron-impact full fragmentation of helium. Good agreement is obtained with experimental data close to threshold, where four-body effects are expected to be important. Even for the high impact energy of 640 eV, four-body effects still play a role in deciding the shape of multi-differential cross-sections.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2006-10-17 | Journal of Physics B: Atomic, Molecular and Optical Physics |