Photoionization cross section of Ne-like Cu XX with J=1 |
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Authors: | Liang Liang Wen-jing Gao Chao Zhou |
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Institution: | Physics Department, Xi''an University of Architecture and Technology, Xi''an 710055, People''s Republic of China |
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Abstract: | Relativistic calculations of photoionization cross sections of Ne-like Cu XX using the Breit–Pauli R-matrix method in close-coupling approximation and fully relativistic distorted-wave method are reported. In the present work, the relativistic distorted-wave method is employed to calculate the fine-structure energy levels and radial functions, and the Breit–Pauli R-matrix method is employed to calculate photoionizaton cross section for photon energy from 124.2 Ryd to 208 Ryd. Resonance structure in the photoionization of Ne-like Cu XX for ejection of 2p or 2s electron from the ground 2s22p6 1S0 has been studied. |
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