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A further test of the shape and anisotropy of the F---H2 interaction potential |
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| Authors: | F A Gianturco F Ragnetti M Faubel B Martínez-Haya L Y Rusin F Sondermann U Tappe |
| Institution: | a Department of Chemistry, The University of Rome, Cittá Universitaria, 00185, Rome, Italy b Max-Planck-Institut für Strömungsforschung, Bunsenstrasse 10, D-37073, Göttingen, Germany |
| Abstract: | A recently proposed anisotropic potential model for the interaction of a fluorine atom with a hydrogen molecule treated as a rigid rotor analysed by carrying out exact quantum calculations of elastic and rotationally inelastic differential cross sections for comparison with previoully reported F---H2 and newly measured F---D2 state selected measurements. The sensitivity of the cross sections to changes of the potential anisotropy and to isotopic substitution is examined. The results provide specific indications on the features of the best potential energy surface in terms of its average ‘size’ and its most likely anisotropy responsible for inelastic rotational excitations occuring at collision energies of about 85 meV. |
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