Unambiguous ionization amplitudes for electron-hydrogen scattering
Bartlett, P.L., Bray, I., Jones, S., Stelbovics, A.T., Kadyrov, A.S., Bartschat, K., Ver Steeg, G.L., Scott, M. and Burke, P. (2003) Unambiguous ionization amplitudes for electron-hydrogen scattering. Physical Review A - Atomic, Molecular, and Optical Physics, 68 (2). 020702.
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According to quantum collision theory, scattering amplitudes are complex numbers, which are completely defined by their magnitude and phase. Although the phase information is generally not determined entirely in collision experiments, the phases are well defined and can be used to check computational models. We use four state-of-the-art approaches to calculate the magnitude and phase of the electron-hydrogen ionization amplitude in the Temkin-Poet S-wave model. We demonstrate that the correct phase can be extracted for each method by using the appropriate final-state continuum functions.
|Publication Type:||Journal Article|
|Murdoch Affiliation:||School of Mathematical and Physical Sciences|
|Publisher:||2010 The American Physical Society|
|Copyright:||© 2003 The American Physical Society|
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