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Data · dataset · 2024

Replication Data for: Cross sections for charge transfer in proton collisions with carbon dioxide molecules

Listed in e-cienciaDatos

The work provides accurate values of the cross sections for the process of electron capture by protons in collisions with CO_2 molecules collision energies between 100 eV/u and 50 keV/u.

Description

This reaction occurs in the interaction of solar wind with planetary atmospheres. The calculation employs a semiclassical method with an expansion in terms of ab initio functions of the ion HCO_2^+, calculated along the ion trajectories.

The cross sections have been averaged over the relative orientation of the target molecule and the ion trajectory to allow comparison with experimental data and the application in other fields. Excellent agreement is found between the calculated cross sections and the available experimental data. Methodology: The calculation employs the semi classical approximation with straight-line trajectories.

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The target nuclei remain in their equilibrium positions (Franck-Condon approximation). To describe the electronic motion a molecular expansion is employed in terms of the electronic wave functions of the HCO_2^+ ion. Description of the dataset: The first column [E (keV/u)] is the collision energy in keV/u.

The second column (xs1) is the partial cross section in Angstrom^2 for the formation of the electronic ground state (X^2\Pi_g) of the CO_2^+ ion in the electron capture process. The third column (xs2) is the partial oross section for the formation of the first excited electronic state (A^2\Pi_u) of the CO_2+ ion. The fourth column (xst) is the total electron capture cross section, obtained as the sum of the partial cross sections xs1 and xs2.

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Química
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e-cienciaDatosdoi:10.21950/LIQ81K11 d agoJSON v1
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