On Polarized Particle Beams
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A partially polarized beam of particles is represented by a statistical operator in spin space. For nucleon-nucleon scattering a theorem stated by Wolfenstein in 1949 connecting the two simplest experiments involving polarized nucleons is shown to depend on the invariance of the interaction potential under time-reflection.
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[2] A. Bhatia. On the Scattering of Polarized Neutrons by Protons , 1950 .
[3] L. Wolfenstein. Polarization Effects in n-p and p-p Scattering , 1949 .
[4] L. Wolfenstein. Theory of Proposed Reactions Involving Polarized Protons , 1949 .
[5] M. Hamermesh,et al. Depolarization of Neutrons During Diffusion , 1948 .