Relativistic normal coupled-cluster theory analysis of second- and third-order electric polarizabilities of Zn
We present precise values of electric polarizabilities for the ground state of Zn due to second-
order dipole and quadrupole interactions, and due to third-order dipole-quadrupole …
order dipole and quadrupole interactions, and due to third-order dipole-quadrupole …
Higher order polarizabilities and the positron forward scattering problem: Convergence between calculated and measured cross sections in the very low energy …
We have employed a well established correlation-polarization model potential to calculate
the elastic cross sections for positron collisions with O 2, N 2 and CO 2 from 0.01 eV to E p s …
the elastic cross sections for positron collisions with O 2, N 2 and CO 2 from 0.01 eV to E p s …
Elastic and inelastic cross sections for positron scattering from molecular oxygen
JG Pinheiro, D Assafrão, LA Poveda… - The European Physical …, 2023 - Springer
Elastic, vibrational and rotational cross sections for positron scattering from molecular
oxygen are reported within the close-coupling formalism, using a three-dimensional positron …
oxygen are reported within the close-coupling formalism, using a three-dimensional positron …
Low Energy Positron Scattering by F and F2
W Tenfen, J de Souza Glória… - The Journal of Physical …, 2022 - ACS Publications
We have determined integral and differential elastic cross sections for positron scattering
with atomic F and F2 molecules from 0.01 to 1000 eV with different theoretical approaches …
with atomic F and F2 molecules from 0.01 to 1000 eV with different theoretical approaches …
Semiempirical models for low energy positron scattering by Ar, Kr and Xe
F Arretche, MV Barp, A Scheidt… - Journal of Physics B …, 2019 - iopscience.iop.org
Abstract Positron scattering by Ar, Kr and Xe was investigated considering two well-
established semiempirical potentials with different descriptions of the asymptotic positron …
established semiempirical potentials with different descriptions of the asymptotic positron …
Many-body and single-body low-energy elastic positron scattering by beryllium atoms: From ab initio to semiempirical approaches
Positron scattering by beryllium atoms in the low-energy range (≤ 4.0 eV) was studied
within ab initio and semiempirical frameworks. When interpreting the static dipole …
within ab initio and semiempirical frameworks. When interpreting the static dipole …
Semiempirical Calculations on Low-Energy Electron Scattering by Zn and Cd Atoms
Since total cross section measurements for electron scattering by Zn and Cd performed in
the 1970s, the existence of p-wave shape resonances below 1 eV are well established in …
the 1970s, the existence of p-wave shape resonances below 1 eV are well established in …
Polarization effects, shape resonances and bound states in low energy positron elastic scattering by Zinc and Cadmium vapours
F Arretche, AM Andermann, EP Seidel… - Journal of Electron …, 2022 - Elsevier
Low energy elastic positron scattering from Zn and Cd atoms was studied using model
correlation potential. Special attention is given to the study of polarization effects through the …
correlation potential. Special attention is given to the study of polarization effects through the …
Constructing electron-atom elastic scattering potentials using relativistic coupled-cluster theory: a few case studies
BK Sahoo - Atoms, 2022 - mdpi.com
In light of the immense interest in understanding the impact of an electron on atoms in the
low-energy scattering phenomena observed in laboratories and astrophysical processes …
low-energy scattering phenomena observed in laboratories and astrophysical processes …
Rotational excitation of O2 by positron impact
We report the rotational excitation of O 2 molecule by positron impact for energies between
0.01 and 5.0 eV. The T-matrices were obtained by the method of continued fractions within …
0.01 and 5.0 eV. The T-matrices were obtained by the method of continued fractions within …