Theoretical evidence for quasi-molecular structure at small internuclear distances in elastic ion-atom scattering
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The potential energy curve of the system Ne-Ne is calculated for small internuclear distances from 0.005 to 3.0 au using a newly developed relativistic molecular Dirac-Fock-Slater code. A significant structure in the potential energy curve is found which leads to a nearly complete agreement with experimental differential elastic scattering cross sections. This demonstrates the presence of quasi-molecular effects in elastic ion-atom collisions at keV energies.
@article{urn:nbn:de:hebis:34-2008081323278, author ={Hartung, Helmut and Fricke, Burkhard and Sepp, Wolf-Dieter and Sengler, Wolfhard and Kolb, Dietmar}, title ={Theoretical evidence for quasi-molecular structure at small internuclear distances in elastic ion-atom scattering}, copyright ={https://rightsstatements.org/page/InC/1.0/}, language ={en}, year ={1985} }