Three-and four-body dynamics in fast heavy ion–atom ionization

J Fiol, RE Olson - Journal of Physics B: Atomic, Molecular and …, 2004 - iopscience.iop.org
Single ionization of helium by impact of 3.6 MeV u− 1 Au 53+ ions is investigated by means
of quantum-mechanical and classical methods. Calculations of fully differential cross …

Three-body dynamics in the ionization of hydrogen by positron impact

J Fiol, RE Olson - Journal of Physics B: Atomic, Molecular and …, 2002 - iopscience.iop.org
Three-body dynamics are investigated for single ionization of hydrogen by 50 and 100 eV
positron impact. The momentum distributions of the electron, the projectile and the recoiling …

Extreme Sensitivity of Differential Momentum Transfer Cross Sections<? format?> to Target Atom Initial Conditions

RE Olson, J Fiol - Physical review letters, 2005 - APS
Heavy-particle cross sections differential in the momentum transferred to the target are
investigated using the classical trajectory Monte Carlo method. With the 3.6 MeV/u Au 53++ …

Shifts in electron capture to the continuum at low collision energies: Enhanced role of target postcollision interactions

MB Shah, C McGrath, C Illescas, B Pons, A Riera… - Physical Review A, 2003 - APS
Measurements of electron velocity distributions emitted at 0 for collisions of 10-and 20-keV
H+ incident ions on H 2 and He show that the electron capture to the continuum cusp …

Vortices in the three-body electron–positron–proton continuum system induced by the positron-impact ionization of hydrogen

F Navarrete, RO Barrachina - … of Physics B: Atomic, Molecular and …, 2015 - iopscience.iop.org
By means of a systematic theoretical study of the transition matrix element T for the
${{e}^{+}}+{\rm H} $ ionization collisions in a collinear geometry, we uncover the presence of …

Grundzustandskorrelationen und dynamische Prozesse untersucht in Ion-Helium-Stößen

MS Schöffler - 2006 - publikationen.ub.uni-frankfurt.de
In der hier vorliegenden Arbeit wurden Fragen der atomaren Korrelation sowie
Verschränkung untersucht und ein Beobachtungsfenster geöffnet, durch welches es möglich …

Dynamical orientation effects in the ionization of atoms and molecules by positron impact

J Fiol, RO Barrachina - Journal of Physics B: Atomic, Molecular …, 2009 - iopscience.iop.org
We present a novel effect in positron impact ionization collisions at small and intermediate
energies, namely a strong dynamical orientation of the electron–positron continuum dipole …

Continuum-orientation phenomena in ionization by positron impact

J Fiol, RO Barrachina - Journal of Physics B: Atomic, Molecular …, 2011 - iopscience.iop.org
Ionization collisions by positron impact at low and intermediate energies are investigated by
means of a classical trajectory Monte Carlo (CTMC) simulation. Calculations of fully …

Divergency problem of the electron capture to the continuum cusp: Classical trajectory Monte Carlo simulation and experimental data

L Sarkadi, RO Barrachina - Physical Review A—Atomic, Molecular, and Optical …, 2005 - APS
The question whether the velocity of the projectile and that of the electrons at the maximum
of the ECC (electron capture to the continuum) cusp are equal is analyzed by means of …

Cusp formation in classical trajectory Monte Carlo calculations of ion-impact ionization collisions

RO Barrachina, C Courbin - … of Physics B: Atomic, Molecular and …, 2002 - iopscience.iop.org
We study the formation of cusps in the double differential cross section for ion-atom
ionization collisions by means of a classical trajectory Monte Carlo calculation. The use of …