K -Shell Auger Transition Rates and Fluorescence Yields for Elements Ar-Xe
TL;DR: In this article, the authors used calculated Auger and radiative transition rates to compute $K$-shell fluorescence yields for $18.54$ using the most recent measurements.
Abstract: We use calculated Auger and radiative transition rates to compute $K$-shell fluorescence yields for $18\ensuremath{\le}Z\ensuremath{\le}54$. The calculated fluorescence yields are generally higher than the most recent measurements (by as much as 8%). In addition we compare the calculated Auger rates with measured $\mathrm{KLL}$ and $\mathrm{KLM}$ intensities, the calculated $\mathrm{KLL}$ total yield with other calculations, and the calculated $\frac{\mathrm{KLX}}{\mathrm{KLL}}$ and $\frac{\mathrm{KXY}}{\mathrm{KLL}}$ ratios with measurements.
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TL;DR: The present status of the field of fluorescence yields, radiationless (Auger and Coster-Kronig) and radiative transition probabilities is summarized in this article, where experimental and theoretical results are included, and tables of best values of important quantities are presented.
Abstract: The present status of the field of fluorescence yields, radiationless (Auger and Coster-Kronig) and radiative transition probabilities is summarized. Tables of experimental and theoretical results are included, and tables of "best values" of important quantities are presented.
1,511 citations
TL;DR: In this article, the Dirac-Hartree-Slater version of the independent-particle model was used to derive the experimental widths of elements in the solid state from spectroscopic data.
584 citations
TL;DR: In this article, total and partial atomic level widths of the K-, L-, M-, and N-levels of the elements (covering Z up to 120 for K- and L-levels) are presented in graphic form.
321 citations
TL;DR: In this paper, Relativistic Hartree-Fock-Slater wavefunctions have been calculated for all elements with Z = 2 to Z = 126, and the eigenvalues and expectation values for each orbital, the total energy of the atom and the total potential as a function of radius.
219 citations
TL;DR: In this article, the average $L$- and $M$-shell-vacancy distributions produced in the deexcitation of atoms that have been singly ionized in the shell or one of the subshells are derived from a comprehensive set of available experimental and theoretical data on radiative and Auger-transition rates.
Abstract: Average $L$- and $M$-shell-vacancy distributions produced in the deexcitation of atoms that have been singly ionized in the $K$ shell or one of the $L$ subshells are derived from a comprehensive set of available experimental and theoretical data on radiative- and Auger-transition rates. The data are supplemented by new calculations in $j\ensuremath{-}j$ coupling from nonrelativistic screened hydrogenic wave functions of the following radiationless transition rates: $K\ensuremath{-}LL$, $K\ensuremath{-}LM$, and $K\ensuremath{-}LN$ for selected elements with $20\ensuremath{\le}Z\ensuremath{\le}81$, and ${L}_{i}\ensuremath{-}MM$, ${L}_{i}\ensuremath{-}MX$, and ${L}_{i}\ensuremath{-}XY$ for $26\ensuremath{\le}Z\ensuremath{\le}93$. Experimental and theoretical data on Auger- and radiative-transition probabilities are critically compared. Auger-electron intensity ratios and $\frac{K{\ensuremath{\alpha}}_{2}}{K{\ensuremath{\alpha}}_{1}}$ and $\frac{K\ensuremath{\beta}}{K\ensuremath{\alpha}}$ x-ray intensity ratios from a best fit to experimental data are tabulated for even atomic numbers from 20 to 94. The probability, per initial $K$ vacancy, of vacancy production in each ${L}_{i}$ subshell is derived from experimental data and tabulated for $20\ensuremath{\le}Z\ensuremath{\le}94$; components due to Auger and x-ray transitions are listed separately. These probabilities agree well with purely theoretical vacancy distributions also derived here. The probability of $M$-shell-vacancy production in the decay of $K$ and ${L}_{i}$ vacancies is derived from theory and tabulated for selected atoms with $16\ensuremath{\le}Z\ensuremath{\le}93$.
158 citations