Aarthi, G ; Jose, J ; Deshmukh, S ; Radojevic, V ; Deshmukh, P C ; Manson, S T (2014) Photoionization study of Xe 5s: ionization cross sections and photoelectron angular distributions Journal of Physics B: Atomic, Molecular and Optical Physics, 47 (2). 025004. ISSN 0953-4075
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Official URL: http://doi.org/10.1088/0953-4075/47/2/025004
Related URL: http://dx.doi.org/10.1088/0953-4075/47/2/025004
Abstract
We report studies of photoelectron angular distribution and cross-section for photoionization of xenon 5s electrons using the relativistic multiconfiguration Tamm–Dancoff (MCTD) approximation. We find that MCTD provides a significantly improved agreement with experiment, compared to some of the other relativistic many body approximations such as the relativistic random phase approximation and the relativistic random phase approximation with relaxation, over the entire photon energy region bracketing the near-threshold 5s Cooper minimum, from the 5s threshold up to about 70 eV. The MCTD results in the length form are in much better agreement with the experiment than those in the velocity form, suggesting residual correlations that must be of importance.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics Publishing. |
| ID Code: | 131539 |
| Deposited On: | 07 Dec 2022 05:02 |
| Last Modified: | 07 Dec 2022 05:02 |
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