Rydberg-atom-Rydberg-atom ionisation cross sections
- 14 February 1979
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 12 (3) , L109-L113
- https://doi.org/10.1088/0022-3700/12/3/008
Abstract
A four-body classical-trajectory Monte Carlo method has been applied to Rydberg-atom-Rydberg-atom scattering problems. Numerical calculations were conducted over the velocity range ve/3 to 3v2 where v2(au)=1/n and n is the principal quantum number of the Rydberg atom. Maximum ionisation occurs at approximately 1.25 ve with the cross sections approximately scaling as pi n4a02. At the lower velocities, a significant fraction of the ion production is due to negative-ion formation.Keywords
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