Abstract
The influence of angular momentum anisotropy on the heat conductivity of a dilute gas consisting of diamagnetic linear molecules is investigated. By the use of a new technique to solve the expansion coefficients of the molecular distribution function it was possible to obtain a solution for this function which does not contain any further approximations than those implied by the choice of trial functions for this distribution function. Secondly it is clearly exhibited how angular momentum reorientation cross sections enter into the formalism when an external magnetic field is applied (Senftleben-Beenakker effect). In this way it was possible to obtain the value of one of these cross sections for CO and N 2 from the experimental results on this effect. Moreover it is pointed out how all cross sections entering into the formulae for the heat conductivity and viscosity of H 2 and D 2 can be obtained separately from the combined experimental results on both transport coefficients.
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