Electron collisions with BeH2 below 20 eV

Sukuba, Ivan and Gorfinkiel, Jimena D. (2020). Electron collisions with BeH2 below 20 eV. Physical Review A, 101(5), article no. 052709.

DOI: https://doi.org/10.1103/PhysRevA.101.052709


We present calculations of electron scattering from BeH2 using the R-matrix method. Integral and differential elastic and inelastic cross sections for energies up to 20 eV have been determined and the position and width (when possible) of shape and core-excited resonances is reported. The use of Gaussian, B-spline, and mixed bases has been investigated. Results are compared with earlier calculations: it is shown that inclusion of both more target states and higher partial waves affects both the resonant behavior at lower energies and the high-energy behavior of the inelastic cross sections.

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