Document Type

Article

Department/Program

Physics

Journal Title

Physical Review A

Pub Date

2-1977

Publisher

American Physical Society

Volume

15

Issue

2

First Page

463

Abstract

The formalism developed previously to study electronic transitions by the curve-crossing mechanism is used to obtain a general model for transitions which take place due to the strong coupling of curves which do not cross. This exactly solvable model is a generalization of a model developed by Rosen and Zener. The model is shown to give respectable agreement with exact calculations at low velocities, and to go to the correct resonant-charge-exchange limit at high velocities. Predictions of the model are shown to give good agreement with the measured total cross sections for charge exchange in the sytem Li+ + Na⇄Li+Na+.

DOI

https://doi.org/10.1103/PhysRevA.15.463

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