Fixed energy inversion of 5 eV e-Xe atom scattering

Details Fixed energy inversion of 5 eV e-Xe atom scattering Fixed energy inversion of 5 eV e-Xe atom scattering

2000-07-14

arxiv.org/abs/physics/0007045v1

Physics

Atomic Physics

20 pages plus 9 figures submitted to Phys. Rev. A

Scientific paper

10.1103/PhysRevA.63.012707

Fixed energy inverse scattering theory has been used to define central and spin-orbit Schr\"odinger potentials for the scattering of 5 eV polarized electrons from Xe atoms. The results are typical for a range of such data; including energies above threshold when the potentials become complex. The phase shifts obtained from an analysis of the measured differential cross section and analyzing power has been used as input data. Both semi-classical (WKB) and fully quantal inversion methods have been used to extract central and spin-orbit interactions. The analysis shows that information additional to the set of input phase shifts extracted from this (and similar) data may be needed to ascertain physical potentials.

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