Threshold behavior of e-H ionizing collisions
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Bartlett, P.L. and Stelbovics, A.T. (2004) Threshold behavior of e-H ionizing collisions. Physical Review Letters, 93 (23).
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Link to Published Version: http://dx.doi.org/10.1103/PhysRevLett.93.233201
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Abstract
We present accurate ab initio numerical solutions of the full Schrödinger equation for the electron-impact ionization of hydrogen near threshold using the propagating exterior complex scaling method. They provide strong support for the Wannier threshold law [ Phys. Rev. 90 817 (1953)], giving σ∝E1.122±0.015, and also give the energy dependence of the electrons' angular distribution as (π-θ12)FWHM≈3.0E1/4, in general agreement with classical and semiclassical predictions.
| Publication Type: | Journal Article |
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| Publisher: | American Physical Society |
| Copyright: | © 2004 The American Physical Society |
| URI: | http://researchrepository.murdoch.edu.au/id/eprint/8697 |
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