https://doi.org/10.1140/epjd/s10053-021-00289-z
Regular Article – Atomic and Molecular Collisions
Elastic and absorption electron collisions with acetaldehyde
1
Departamento de Química, Universidade Federal de São Carlos, 13.565-905, São Carlos, SP, Brazil
2
Departamento de Física, Universidade Federal de São Carlos, 13.565-905, São Carlos, SP, Brazil
3
Departamento de Física, Universidade Federal do Paraná, 81.531-980, Curitiba, PR, Brazil
Received:
13
August
2021
Accepted:
7
October
2021
Published online:
26
October
2021
We report a theoretical–experimental investigation on elastic electron scattering by acetaldehyde (CH
CHO) in the 0.5–800 eV energy range. Theoretically, the Padé approximation and the single-center partial-wave expansion method were applied to solve the Lippmann–Schwinger scattering equation, whereas a molecular complex optical potential was used to describe the electron–molecule interaction. Calculations in the independent-atom framework were also performed. Angular distributions of the elastically scattered electrons were measured in the 10
–130 and 30–800 eV ranges using a crossed beams geometry. Absolute values of differential cross sections were derived by the relative flow technique. In addition, integral and momentum transfer cross sections were obtained from the experimental and theoretical differential cross sections via a numerical integration procedure. Comparison between our results and previous experimental and theoretical calculations is made.
© The Author(s), under exclusive licence to EDP Sciences, SIF and Springer-Verlag GmbH Germany, part of Springer Nature 2021
