Abstract
Rotationally inelastic scattering of a rigid rotor, which represents a heteronuclear diatomic molecule, by rigid and flat solid surfaces is investigated by assuming three types of potential. It is demonstrated that the observed Boltzmann-like profile for low excitations in the NO-Ag(111) scattering experiment may be ascribed to the first of the two rotational rainbow peaks. It is also shown that “quasi-trapping” of molecules occurs if the potential has an attractive part.
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