A semiquantal treatment of hydrogen-hydrogen excitation and ionization collisions
- 1 February 1972
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 5 (2) , 334-345
- https://doi.org/10.1088/0022-3700/5/2/029
Abstract
A semiquantal theory is applied to the examination of the excitation and ionization produced by the impact between two hydrogen atoms with incident energies E in the range 0.2<or=E<or=2000 keV. Simultaneous transitions in both the target and the projectile atoms are explicitly acknowledged. The cross sections calculated from the simple semiquantal formulas exhibit remarkable harmony with previous quantal calculations. Also, in certain cases, the velocity distribution of the orbital electron can be neglected and the hydrogen-hydrogen excitation cross sections reduce to simple algebraic expressions while the ionization cross sections involve the numerical evaluation of a one-dimensional integral only.Keywords
This publication has 13 references indexed in Scilit:
- An iterative perturbation solution of the inverse potential problemJournal of Physics B: Atomic and Molecular Physics, 1971
- The binary encounter theory for a general interactionJournal of Physics B: Atomic and Molecular Physics, 1971
- Semiquantal theory of heavy-particle excitation, deexcitation, and lonization by neutral atoms: I. Slow and Intermediate Energy CollisionsAnnals of Physics, 1970
- Calculation on Ionizing H-Atom—H-Atom CollisionsPhysical Review A, 1970
- Born Wave Calculation of Atom-Atom Inelastic Cross Sections: Description of Target Atoms by Elastic and Inelastic X-Ray Form FactorsPhysical Review B, 1969
- Extended Polarization Potential: Applications to Atomic ScatteringPhysical Review B, 1968
- Ab Initio Computations in Atoms and MoleculesIBM Journal of Research and Development, 1965
- Inelastic Collisions between Heavy Particles IV: Contribution of Double Transitions to certain Cross Sections including that associated with the Ionization of Hydrogen Atoms in Fast Encounters with other Hydrogen AtomsProceedings of the Physical Society. Section A, 1955
- Inelastic Collisions between Heavy Particles I: Excitation and Ionization of Hydrogen Atoms in Fast Encounters with Protons and with other Hydrogen AtomsProceedings of the Physical Society. Section A, 1953
- The Momentum Distribution in Hydrogen-Like AtomsPhysical Review B, 1929