Senftleben Effects and the Thermomagnetic Torque for Nitric Oxide

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Abstract
A detailed analysis of the room temperature Senftleben effects for nitric oxide is presented. In particular, it is shown how these magnetic field effects in NO at room temperature may be treated, to a very good approximation, in terms of the theory of the Senftleben—Beenakker effects for diamagnetic gases. Using such a procedure, the collision integrals relevant to the Senftleben effects have been extracted from the experimental data available for this gas. The procedure of analysis employed yields, in addition to the collision integrals, a value of −47.4 for the effective g factor for NO, in excellent agreement with the data from other sources. From the information so determined for NO, the Senftleben effects and the related thermomagnetic torque have been calculated numerically and are found to be in good agreement with the experimental curves.