TY - DATA T1 - The ratios of the resonance strengths of the 2snp 3P1 state to the 2snp 1P1 state as a function of the atomic number Z PY - 2013/08/07 AU - L C Gao AU - D H Zhang AU - L Y Xie AU - J G Wang AU - Y L Shi AU - C Z Dong UR - https://iop.figshare.com/articles/figure/_The_ratios_of_the_resonance_strengths_of_the_2s_em_n_em_p_sup_3_sup_P_sub_1_sub_state_to_the_2s_em_/1012618 DO - 10.6084/m9.figshare.1012618.v1 L4 - https://ndownloader.figshare.com/files/1480441 KW - calculation KW - 2 snp 1 P 1 state KW - dirac KW - ar KW - method KW - pi KW - resonance strengths KW - section KW - ground state 1 KW - 2 snp 3 P 1 state KW - 2 2 p 61 S 0 KW - Atomic Physics KW - Molecular Physics N2 - Figure 4. The ratios of the resonance strengths of the 2snp 3P1 state to the 2snp 1P1 state as a function of the atomic number Z. Abstract Photoionization (PI) cross sections of the ground state 1s2 2s2 2p61 S0 of Ne-like Ar8+, Fe16+, Kr26+ and Xe44+ 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 → np 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 Ar8+ ion, good agreement is found between the present results and available theoretical calculations and experimental data. ER -