DWBA calculations of relaxation and kinetic cross sections. III. Application to the HD-He system

Abstract

Relaxation and kinetic cross sections related to sound absorption experiments, NMR T 1 relaxation times and the Senftleben-Beenakker effect (SBE The HD-He intermolecular potentials were obtained using a numerical transformation, both from the “best experimental” H 2-He potential of Shafer The behaviour of the cross sections at low incoming relative kinetic energies E k was studied analytically and a polynomial fitting procedure wa Comparison with the close-coupling (CC) calculations of Green for the SG potential showed that while the magnitudes of the cross sections were overesti temperature dependence of various relaxation parameters may still be predicted by the DWBA for this system. In sound absorption, it was found that the From the temperature dependence of the NMR T 1/p values, it appears that the MVAW potential gives better agreement with the experimental results Three previously proposed kinetic cross sections for the SBE for the shear viscosity showed distinctive behaviour as functions of temperature and the e