Abstract
In this work, we present a theoretical study on electron–C2 collisions in the low and intermediate energy ranges. Calculated elastic differential, integral and momentum transfer cross sections as well as grand total (elastic + inelastic) and absorption cross sections are reported in the 0.1–1000 eV energy range. A complex optical potential is used to represent the electron–molecule interaction dynamics, whereas the Schwinger variational iterative method combined with the distorted-wave approximation is used to solve the scattering equations. Comparison of the present calculated results with the available experimental and theoretical data for electron–C2H2 collisions has shown remarkable similarity for incident energies higher than 20 eV. In addition, a sharp shape resonance is located around 2.5 eV and is identified as due to the 1Πg scattering channel.
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