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Photoionization Time delay in atomic Barium

Ganesan, Aarthi; Deshmukh, P C; Kheifets, Anatoli; Dolmatov, V K; Manson, S T


Wigner-Eisenbud-Smith (WES) photoionization time delay is calculated for atomic barium 5s subshell using Relativistic Random Phase Approximation (RRPA), RRPA with relaxation (RRPA-R) and the Relativistic Multi-Configuration Tamm-Dancoff (RMCTD) techniques. Electron correlations are treated differently in different many body methods; the WES time delay is sensitive to these differences. The present study is aimed at determining the suitability of various many-body methods for the study of the...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Conference paper
Source: Journal of Physics: Conference Series
DOI: 10.1088/1742-6596/875/3/022021
Access Rights: Open Access


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