Electron-impact ionization of the Pb atom

Pindzola, M. S.; Loch, S. D.; Colgan, James Patrick

doi:10.1140/epjd/s10053-021-00043-5

Electron-impact ionization of the Pb atom

Journal Article · Mon Feb 08 00:00:00 EST 2021 · European Physical Journal. D, Atomic, Molecular, Optical and Plasma Physics

DOI:https://doi.org/10.1140/epjd/s10053-021-00043-5· OSTI ID:1807849

Pindzola, M. S. ^[1]; Loch, S. D. ^[1]; ^[2]

Auburn Univ., AL (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Electron-impact ionization cross sections are calculated for the ground configuration of the Pb atom. Time-dependent close-coupling cross sections for the direct ionization of the 6s and 6p subshells leading to single ionization are calculated with and without a polarization potential. Configuration-average distorted-wave cross sections for the direct ionization of the 6s and 6p subshells leading to single ionization are also calculated with and without a polarization potential. We find the time-dependent close-coupling cross sections using a polarization potential to be in good agreement with convergent-close-coupling cross sections using a polarization potential. The total direct ionization cross sections are compared to two sets of experimental measurements. The differences between the direct ionization cross sections and the experimental measurements are mainly due to indirect ionization cross sections coming from the 6s²6p² → 6s6p³ excitation followed by autoionization..

Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 1807849

Report Number(s):: LA-UR--20-29482

Journal Information:: European Physical Journal. D, Atomic, Molecular, Optical and Plasma Physics, Journal Name: European Physical Journal. D, Atomic, Molecular, Optical and Plasma Physics Journal Issue: 2 Vol. 75; ISSN 1434-6060

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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