523 citations · 5.8k across the 167 of their papers we have counts for
20 papers · 1 filter
Competing Ionization and Dissociation in the H Gerade System
Dávid Hvizdoš, Roman Čurík, Chris H. Greene
A numerically solvable two-dimensional (2D) model, employed by the authors to study the dissociative recombination of H in the ungerade symmetry [Phys. Rev. A ,…
Energy-dependent frame transformation theory for dissociative recombination
Dávid Hvizdoš, Chris H. Greene, Roman Čurík
The energy-dependent frame transformation theory of Gao and Greene 1990 [Phys. Rev. A {\bf 42}, 6946 (1990)] is extended to yield quantitatively accurate description of the dissoci…
Dissociative recombination of cold HeH ions
Roman Čurík, Dávid Hvizdoš, Chris H. Greene
The HeH cation is the simplest molecular prototype of the indirect dissociative recombination (DR) process that proceeds through electron capture into Rydberg states of the cor…
On the validity of the Born-Oppenheimer approximation in the indirect dissociative recombination process
Roman Čurík, Dávid Hvizdoš, Chris H. Greene
An alternative method is introduced to solve a simple two-dimensional models describing vibrational excitation and dissociation processes during the electron-molecule collisions. T…
Semiclassical Treatment of High-Lying Electronic States of H
T. J. Price, Chris H. Greene
This work reports quantum mechanical and semiclassical WKB calculations for energies and wave functions of high-lying states of H in atomic units. The high-lying states…
Inelastic low-energy collisions of electrons with HeH: rovibrational excitation and dissociative recombination
Roman Čurík, Chris H. Greene
Inelastic low-energy (0--1 eV) collisions of electrons with HeH cations are treated theoretically, with a focus on the rovibrational excitation and dissociative recombination (…
Universal threshold law for ion-neutral-neutral three-body recombination
Jesús Pérez-Ríos, Chris H. Greene
A very recently method for classical trajectory calculations for three-body collision [J. Pérez-Ríos, S. Ragole, J. Wang and C. H. Greene, J. Chem. Phys. {\bf 140}, 044307 (2014)]…
Comparison of classical and quantal calculations of helium three-body recombination
Jesús Pérez-Ríos, Steve Ragole, Jia Wang +1
A general method to study classical scattering in -dimension is developed. Through classical trajectory calculations, the three-body recombination is computed as a function of t…
Low-energy Electron collisions with O: Test of Molecular R-matrix without Diagonalization
Michal Tarana, Chris H. Greene
Electron collisions with O at scattering energies below 1 eV are studied in the fixed-nuclei approximation for a range of internuclear separations using the ab initio molecular…
Estimates of rates for dissociative recombination of NO + e via various mechanisms
Daniel J. Haxton, Chris H. Greene
We estimate rates for the dissociative recombination (DR) of NO + e. Although accurate excited state potential energy curves for the excited states of the neutral are not…
Resonant structure of low-energy H3+ dissociative recombination
Annemieke Petrignani, Simon Altevogt, Max H. Berg +17
New high-resolution dissociative recombination rate coefficients of rotationally cool and hot H3+ in the vibrational ground state have been measured with a 22-pole trap setup and a…
Theoretical study of the quenching of NH (singlet Delta) molecules via collisions with Rb atoms: preliminary results
Daniel J. Haxton, Steven A. Wrathmall, H. J. Lewandowski +1
We examine the quenching reaction Rb (doublet S) + NH (singlet Delta) goes to Rb (doublet P one-half) + NH (ground triplet Sigma minus). This reaction may be utilized to produce gr…
ab initio frame transformation calculations of direct and indirect dissociative recombination rates of HeH+ + e-
Daniel J. Haxton, Chris H. Greene
The HeH cation undergoes dissociative recombination with a free electron to produce neutral He and H fragments. We present calculations using ab initio quantum defects and Fano…
Indirect dissociative recombination of LiH + e
Daniel J. Haxton, Chris H. Greene
We present the results of calculations determining the cross sections for indirect dissociative recombination of LiH + . These calculations employ multichannel quantum d…
Theoretical rate of dissociative recombination of HCO and DCO ions
Nicolas Douguet, Viatcheslav Kokoouline, Chris H. Greene
The article presents an improved theoretical description of dissociative recombination of HCO and DCO ions with a low energy electron. In the previous theoretical study (Ph…
Diffraction in low-energy electron scattering from DNA: bridging gas phase and solid state theory
Laurent Caron, Stefano Tonzani, Chris H. Greene +1
Using high-quality gas phase electron scattering calculations and multiple scattering theory, we attempt to gain insights on the radiation damage to DNA induced by secondary low-en…
Indirect Dissociative Recombination of LiH Molecules Fueled by Complex Resonance Manifolds
R. Čurík, Chris H. Greene
The LiH molecule is prototypical of the indirect dissociative recombination (DR) process, in which a colliding electron destroys the molecule through Rydberg capture pathways…
Radiation damage to DNA: electron scattering from the backbone subunits
Stefano Tonzani, Chris H. Greene
In the context of damage to DNA by low-energy electrons, we carry out calculations of electron scattering from tetrahydrofuran and phosphoric acid, models of the subunits in the DN…
Low energy electron scattering from DNA and RNA bases: shape resonances and radiation damage
Stefano Tonzani, Chris H. Greene
Calculations are carried out to determine elastic scattering cross sections and resonance energies for low energy electron impact on uracil and on each of the DNA bases (thymine, c…
Electron-molecule scattering calculations in a 3D finite element R-matrix approach
Stefano Tonzani, Chris H. Greene
We have implemented a three-dimensional finite element approach, based on tricubic polynomials in spherical coordinates, which solves the Schrodinger equation for scattering of a l…