Transfer and Ionization in Collisions of Positrons with Atoms
Thin films -- Surfaces -- Analysis, Heavy ions -- Mathematical models, Hadrons, Condensed matter
Kinematic singularities in certain few-body reactions may provide special features that are both conceptually simple and observable. Particle transfer is such a reaction. At high velocities, it is characterized by singularities that are manifested by peaks and ridges in differential cross sections. For electrons captured by protons, some of these singular features have been observed. For capture by positrons, i.e. positronium formation, new features are predicted.
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McGuire, J., & Straton, J. C. (1992). Transfer and ionization in collisions of positrons with atoms. Hyperfine Interactions, 73(1-2), 27-32.
At the time of publication Jack Straton was employed at Kansas State University.