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Autor: Shinobu Nakazaki, Y Itikawa, W B Eissner, Keith A. Berrington

Publikováno v: Journal of Physics B: Atomic, Molecular and Optical Physics. 30:5805-5818

Electron impact excitation of the lowest nine excited levels ( and ) of Xe is studied theoretically. The cross sections, both integral and differential, are calculated up to 35 eV using the Breit - Pauli R-matrix method. At collision energies below 1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16edf6cbf432ecb54afb65afcce4a939
https://doi.org/10.1088/0953-4075/30/24/017

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Theory and practice in low-energy electron excitation of the levels of xenon

Autor: Shinobu Nakazaki, W B Eissner, Keith A. Berrington, Y Itikawa

Publikováno v: Journal of Physics B: Atomic, Molecular and Optical Physics. 30:L59-L66

This letter concerns low-energy electron excitation from the ground state of xenon to the lowest four excited levels ( and ). We report here on the first results from Breit - Pauli R-matrix theory which investigates coupling to the 6 p and 5 d levels

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::008c3db983ac1bb4ca25d738cc0aaf1d
https://doi.org/10.1088/0953-4075/30/2/005

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Collision strengths for electron impact excitation with Ca XV: a relativistic approach

Autor: P. H. Norrington, W B Eissner, K A Berrington, K. M. Aggarwal

Publikováno v: Journal of Physics B: Atomic, Molecular and Optical Physics. 24:2201-2211

Collision strengths for electron impact excitation between the lowest 20 levels among the 1s22s22p2, 2s2p3 and 2p4 configurations of Ca XV have been computed for collision energies of 15, 30, 45 and 60 Ryd in a Dirac-Fock approximation. Comparisons h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e84f3324b68bc7d19910e1367212fd07
https://doi.org/10.1088/0953-4075/24/8/028

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Low-energy scattering of electrons by caesium atoms

Autor: N S Scott, K Bartschat, P G Burke, W B Eissner, O Nagy

Publikováno v: Journal of Physics B: Atomic and Molecular Physics. 17:L191-L195

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fcbeedc9f1ba525fe3422cc58b0bb921
https://doi.org/10.1088/0022-3700/17/6/007

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Atoms in Astrophysics

Autor: W. B. Eissner, Philip G. Burke, I. C. Percival, Donald E. Osterbrock, D. G. Hummer

Publikováno v: Atoms in Astrophysics

1. Low-Energy Electron Collisions with Complex Atoms and Ions.- 1. Introduction.- 2. Theory of Electron Collisions with Atoms and Ions.- 2.1. Expansion of the Collision Wave Function.- 2.2. Expansion of the Target Wave Function.- 2.3. Variational Pri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e475f5d19c4a8bf35c1de3b746a898b
https://doi.org/10.1063/1.2915805

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