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Wigner time delay in photodetachment

Saha, Soumyajit; Jose, Jobin; Deshmukh, Pranawa C.; Aravind, G.; Dolmatov, V K; Kheifets, Anatoli; Manson, S T


Using Cl− as a test case, Wigner time delay in the photodetachment process has been investigated theoretically, along with the photoionization of the isoelectronic Ar atom, for the outer 3p shell using the relativistic-random-phase approximation (RRPA). Time delay was probed in these systems from threshold to 80 eV, to investigate threshold effects, the centrifugal barrier shape resonance, and the Cooper minimum region. This study focuses on Cl − because, for negative ions, the phase of...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Physical Review A
DOI: 10.1103/PhysRevA.99.043407
Access Rights: Open Access


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