## The energy of the Auger electron *E*_{df} (eV) and Auger decay probabilities *A*_{df} (*s*^{−1}) of the 2s*n*p ^{1,3} P_{1} resonant to the states 2s^{2}2p^{5 2}P_{1/2}, ^{2}P_{3/2} of the Fe^{16+}, Kr^{26+} and Xe^{44+} ions

_{df}

_{df}

#### dataset

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**Table 3.** The energy of the Auger electron *E _{df}* (eV) and Auger decay probabilities

*A*(

_{df}*s*

^{−1}) of the 2s

*n*p

^{1,3}P

_{1}resonant to the states 2s

^{2}2p

^{5 2}P

_{1/2},

^{2}P

_{3/2}of the Fe

^{16+}, Kr

^{26+}and Xe

^{44+}ions.

*a*(

*b*) represents

*a*

**×**10

^{b}.

**Abstract**

Photoionization (PI) cross sections of the ground state 1s^{2} 2s^{2} 2p^{6}^{1} S_{0} of Ne-like Ar^{8+}, Fe^{16+}, Kr^{26+} and Xe^{44+} ions are calculated by using the Dirac atomic *R*-matrix code based on a fully relativistic *R*-matrix method. To analyze the detailed resonant structure, systematical calculations based on the multiconfiguration Dirac–Fock method are performed for the dominant 2s → *n*p resonant transitions, and the resonant energies, strengths and total natural widths are presented. The resonant structures and characteristics of the PI cross sections and resonance strengths along the Ne-like sequence are discussed with emphasis on the influence of relativistic effects. For the Ar^{8+} ion, good agreement is found between the present results and available theoretical calculations and experimental data.