Ion‐Induced Characteristic X‐Ray Emission in Solids

Kabachnik, N. M.; Kerkow, H.; Petukhov, V. P.; Romanovskii, E.A.; Wedell, R.

doi:10.1002/pssb.2221390102

Cited by 7 publications

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References 130 publications

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“…The alignment of a vacancy can be investigated experimentally by measuring the angular distribution or polarisation of X-rays or the angular distribution of Auger electrons arising from a decay of the vacancy. During the last two decades numerous experimental investigations of the inner-shell alignment induced by proton or ion collisions with atoms have reported (see reviews [1][2][3]). A comparison of experimental data with theoretical calculations based on the first Born approximation or on the equivalent semiclassical approximation (SCA) with a rectilinear trajectory shows that first order approximations provide a good description of the experi-* Permanent address: Institute of Nuclear Physics, Moscow State University, SU-119899 Moscow, US SR mental data for the relative impact velocities v/v,t >0.3 (v,~ is the classical velocity of an electron of the considered subshell).…”

Section: Introductionmentioning

confidence: 99%

Charge asymmetry effects in inner-shell alignment induced by ion-atom collisions

Kabachnik

1990

Z Phys D - Atoms, Molecules and Clusters

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Charge asymmetry effects in an alignment of inner-shell vacancies induced by ion-atom collisions are studied theoretically. The corrections to the first order calculations of the alignment which depend on the sign of the projectile charge are discussed. The effect of these corrections on the differential alignment is large and can be studied in coincidence experiments with proton and antiproton beams of low energies. The calculations show that with increasing projectile energy the charge asymmetry effects decrease and become practically negligible when the projectile velocity is comparable with the velocity of the electron in the shell under consideration. The total alignment depends only weakly on the charge of the projectile.The calculated differences of the integral A g (2 p~/~) alignment produced by protons and antiprotons are not greater than 20% in the whole energy range under study.

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Section: Introductionmentioning

confidence: 99%