L i ( i=1–3) subshell fluorescence and Coster-Kronig yields for elements with 70⩽ Z⩽92

Abstract

The atomic inner-shell vacancy decay processes comprised of radiative and nonradiative transitions are characterized by the fluorescence, Auger and Coster-Kronig yields. We present a review of our recent measurements of the L i ( i=1, 2, 3) sub-shell fluorescence yields ( ω i ) and the L 1–L 3 Coster-Kronig transition probabilities ( f 13) for elements with 70⩽ Z⩽92 following photoionization. The comparison of the measured ω i and f 13 values with the theoretical ones, based on the relativistic Dirac–Hartree–Slater (RDHS) model calculations, indicated the need for more refined calculations of transition probabilities for different Coster-Kronig transitions.