Research Papers in Physics and Astronomy


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Published in PHYSICAL REVIEW A 80, 2009. Copyright © 2009 The American Physical Society. Used by permission.


This paper presents a quantum-mechanical analysis of the interaction of one electron with a physical dipole (two physically separated charges). Aspects of threshold laws in the continuous spectrum are treated. In addition there are determinations of energies of some dipole bound states. The bound-state calculations are used as a model for certain high dipole moment molecules, where, together with empirical data, an equivalent dipole length may be determined. These model calculations predict that the bound dipole orbital in high dipole molecule ions should have a node between its valence part and the more remote part where the majority of the charge resides. Some results from the two parts of the treatment are brought together to calculate the asymmetry factor of the photoelectron signal for uracil, measured by Schiedt et al.

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