Complete momentum balance for single ionization of helium by fast ion impact: Experiment
- Institut fuer Kernphysik, August-Euler-Strasse 6, D-60486 Frankfurt (Germany)
- Gesellschaft fuer Schwerionenforschung, m.b.H., Planckstrasse 1, D-64291 Darmstadt (Germany)
- Department of Physics, University of Missouri-Rolla, Rolla, Missouri 65401 (United States)
The collision dynamics of He single ionization by 3.6MeV/uSe{sup 28+} impact was explored using the reaction microscope of the Gesellschaft f{umlt u}r Schwerionenforschung, a high-resolution integrated multielectron recoil-ion momentum spectrometer. The complete three-particle final-state momentum distribution (nine Cartesian components p{sub i}) was imaged with a resolution of {Delta}p{sub i}{approx}{plus_minus}0.1a.u. by measuring the three momentum components of the emitted electron and the recoiling target ion in coincidence. The projectile energy loss has been determined on a level of {Delta}E{sub p}/E{sub p}{approx}10{sup {minus}7} and projectile scattering angles as small as {Delta}{var_theta}{approx}10{sup {minus}7}rad became accessible. The experimental data which are compared with results of classical trajectory Monte Carlo calculations reveal an unprecedented insight into the details of the electron emission and the collision dynamics for ionization of helium by fast heavy-ion impact. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 528047
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 2 Vol. 56; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
Similar Records
Soft electrons and their correlation with the recoil-ions for single ionization of helium by fast, heavy-ion impact
Angular-momentum transfer in collisional ionization