Study of the Intermolecular Potentials for Hydrogen–Noble Gas Pairs via Molecular Beam Differential Scattering Measurements

Abstract

Differential collision cross sections for H2–noble gas pairs have been measured and analyzed via a best fit procedure. The data are well described by Lennard–Jones (12,6) (LJ) and Buckingham–Corner (BC) potentials and yield model independent values for σ, the location of the zero of the potential. For H2–Ne, H2–Ar, and H2–Kr, σ values are respectively 2.85, 3.07, and 3.21 Å, with uncertainties [Formula: see text].