Statistical dynamics of direct three-body recombination of heavy ions in the presence of argon and xenon atoms
| Autor: | L. Yu. Rusin, L. I. Kolesnikova, V. M. Azriel |
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| Rok vydání: | 2016 |
| Předmět: |
010302 applied physics
chemistry.chemical_element 010402 general chemistry 01 natural sciences Dissociation (chemistry) 0104 chemical sciences Rotational energy Ion Xenon chemistry 0103 physical sciences Elementary reaction Potential energy surface Molecule Physical and Theoretical Chemistry Atomic physics Recombination |
| Zdroj: | Russian Journal of Physical Chemistry B. 10:553-560 |
| ISSN: | 1990-7923 1990-7931 |
| DOI: | 10.1134/s1990793116040205 |
| Popis: | Recombination of singly charged heavy Cs+ and Br– ions with stabilization with neutral Ar or Xe atoms was studied by the classic trajectory method in the range of ion collision energy and third body energy from 1 to 10 eV. The elementary reaction of recombination was studied on the potential energy surface (PES), which quantitatively reproduces the experimental results of collision-induced dissociation of CsBr molecules (the reverse of recombination). An analysis of the statistically reliable number of trajectories revealed a complex multifactor dynamics of recombination, which involves various mechanisms whose realization depends both on the mass and energy ratio of colliding particles and on the PES structure and spatial configurations of collision determined by impact parameters, orientation angles, etc. The molecules that formed as a result of recombination have nonequilibrium vibrational energy distributions and rotational energy distributions comparable to equilibrium. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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