Abstract
In analogy to a double surface scattering study of Estermann, Frisch and Stern for selecting and detecting the velocity of a beam of particles, it is proposed to use double surface scattering to investigate the collision dynamics of a beam of polarized particles with a known surface. In this proposed experiment, the first surface scattering event prepares a polarized (aligned/oriented) beam of particles, and the second surface scattering event permits the measurement of how the polarized beam interacts with the surface under study.
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References
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By alignment we mean the preferential population of magnetic sublevels +M and −M as opposed to +M′ and −M′; this is equivalent to molecules in a stateJ≠0 having a preferred plane of rotation. By orientation we mean the preferential population of +M as opposed to −M; this is equivalent to molecules in a stateJ≠0 having a preferred sense of rotation. Thus, alignment refers to the even moments of the spatial distribution ofJ vectors, orientation to the odd moments. In general, a molecular ensemble can be both aligned and oriented
I thank Melissa A. Hines for suggesting this idea
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Zare, R.N. Otto Stern and the double bank shot. Z Phys D - Atoms, Molecules and Clusters 10, 377–382 (1988). https://doi.org/10.1007/BF01384873
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DOI: https://doi.org/10.1007/BF01384873