Abstract
K α X-ray spectra were measured with a Du Mond type curves crystal spectrometer for42Mo and46Pd targets bombarded with oxygen ions at 5.5 MeV/u energy (i.e. at velocity closely matching those of the targetL-shell electrons). The distribution ofL-shell vacancies produced in collisions with simultaneousK-shell ionization is deduced from the measured yield distribution of theK α X-ray satellites. The distribution shows deviations from the binomial ones. The deviations can be accounted for by assuming that theL-shell vacancy production is due to two uncorrelated processes: the direct ionization by impact and the electron capture from theL-shell of the target atom into theK-shell of the projectile, both occurring at nearly central collisions. The corresponding probability values are deduced using simple statistical considerations.
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Work supported in part by the Swiss National Science Foundation and by the Paul Scherrer Institute (formerly SIN)
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Rymuza, P., Sujkowski, Z., Carlen, M. et al. Distribution ofK α L n satellite yields for mediumZ elements bombarded with16O ions. Z Phys D - Atoms, Molecules and Clusters 14, 37–43 (1989). https://doi.org/10.1007/BF01401341
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DOI: https://doi.org/10.1007/BF01401341