Chocian, P , Ihra, W and O'Mahony, P F (1999) Threshold laws and reaction zone dynamics of three-body Coulomb breakup. Physical Review A, 60 (5).
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Wannier theory is critically reexamined and compared with semiclassical S-matrix theory, which serves as a reference calculation. We find that for certain situations classical half-collision calculations with a fixed reaction zone radius strongly differ from the results of a full S-matrix treatment even at energies very close to threshold. By giving a parameter-free description of an energy-dependent reaction zone radius we take the initial state more accurately into account in the half-collision approach. This extension produces results for ionization probabilities which are in excellent agreement with the full-collision semiclassical S-matrix theory. [S1050-2947(99)09011-3].
This is a Submitted version This version's date is: 11/1999 This item is not peer reviewed
https://repository.royalholloway.ac.uk/items/f8e469d4-0fb6-e48b-60d1-a7d46d3ca417/3/
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