Unexplained dissociation pathways of two-body fragmentation of methane dication

J Rajput, D Garg, A Cassimi, A Méry… - The Journal of …, 2022 - pubs.aip.org
The ion-induced fragmentation of CH 4 2+ into H+ and CH 3+ is studied using a cold target
recoil ion momentum spectroscopy in coincidence with the charge state of the post-collision …

Independent-atom-model description of multiple ionization of water, methane, and ammonia molecules by proton impact

HJ Lüdde, M Horbatsch, T Kirchner - Physical Review A, 2022 - APS
We study multiple ionization in proton collisions with water, methane, and ammonia
molecules using an independent-atom model. Previous work on total (net) capture and …

Calculation of energy loss in antiproton collisions with many-electron systems using Ehrenfest's theorem

HJ Lüdde, M Horbatsch, T Kirchner - Physical Review A, 2021 - APS
Energy loss in collisions of charged projectiles with many-electron systems can be dealt with
in time-dependent density functional theory by invoking Ehrenfest's theorem for the time …

Partial-wave approach to the Stark resonance problem of the water molecule

P Pirkola, M Horbatsch - Physical Review A, 2022 - APS
A partial-wave method is developed to deal with small molecules dominated by a central
atom as an extension of earlier single-center methods. In particular, a model potential for the …

Calculation of DC Stark Resonances for the Ammonia Molecule

P Pirkola, M Horbatsch - Molecules, 2024 - mdpi.com
A model potential previously developed for the ammonia molecule is treated in a single-
center partial-wave approximation in analogy with a self-consistent field method developed …

Two-Center Basis Generator Method Calculations for Li3+, C3+ and O3+ Ion Impact on Ground State Hydrogen

ACK Leung, T Kirchner - Atoms, 2022 - mdpi.com
The two-center basis generator method is used to obtain cross sections for excitation,
capture, and ionization in Li 3+, C 3+, and O 3+ collisions with ground-state hydrogen at …

Experimental cross sections for electron loss from 0.1 to 1.0 MeV O+ and 0.2-1.5 MeV O2+ and electron capture to 0.05-1.0 MeV O+ and 0.1-1.5 O2+ in SF6

AH Gomes, ACF Santos - Radiation Physics and Chemistry, 2023 - Elsevier
Experimentally determined single and double-electron-capture and single and double
projectile stripping cross sections are presented for intermediate and low projectile energies …

Non-monotonic dc Stark shifts in the rapidly ionizing orbitals of the water molecule

P Pirkola, M Horbatsch - Atoms, 2022 - mdpi.com
We extend a previously developed model for the Stark resonances of the water molecule.
The method employs a partial-wave expansion of the single-particle orbitals using spherical …

Classical-trajectory time-dependent mean-field theory for ion-molecule collision problems

A Jorge, M Horbatsch, T Kirchner - arXiv preprint arXiv:2211.02966, 2022 - arxiv.org
A mean-field model to describe electron transfer processes in ion-molecule collisions at the
$\hbar= 0$ level is presented and applied to collisions involving water and ammonia …

Electron-capture cross sections in collisions of with several molecules

D Jana, K Purkait, S Halder, M Purkait - The European Physical Journal D, 2021 - Springer
Single-electron capture in ground state from several biologically relevant molecules by He^+
He+ has been studied theoretically by a three-body version of the distorted-wave (DW) …