Inner-shell charge transfer in asymmetric ion-atom collisions

作者: J. F. Reading , A. L. Ford , G. L. Swafford , A. Fitchard

DOI: 10.1103/PHYSREVA.20.130

关键词: Effective nuclear chargeElectronKinetic energyPhysicsIonIonizationWave functionAtomic physicsProjectileElectron shell

摘要: A method used previously for inner-shell ionization in asymmetric ion-atom collisions is extended to include charge transfer between the target inner shells and projectile K shell. We work energy range eta/sup 1/2/ = h v/Z/sub N/e/sup 2/ < or approx. 1 use an independent-electron model (Hartree-Fock) target. treat interaction with as a time-dependent perturbation due bare moving on straight-line path. Our method, ionization, very efficient that our target-centered expansion of system wave function, all requisite matrix elements needed at particular are pretabulated impact parameters. critical feature results recognition importance continuum states approximately equal kinetic (in frame) electron projectile, development properly such resonance pseudostate calculation. present selected numerical illustrate demonstrate nuclear dependence cross sections. general presented computed sections themore » order 0.3--0.5 times Brinkman-Kramers estimate. Simultaneously, we also compute stripping find them be dominated by transitions above-described resonant state target.« less

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