Volume 393, Number 3, October III 2002
|Page(s)||1081 - 1087|
|Section||Catalogs and data|
|Published online||01 October 2002|
L-photoionization of atomic aluminium: production of , and UV lines
Rostov State University of Transport Communication, 344038 Rostov–on–Don, Russia e-mail: firstname.lastname@example.org
2 Observatoire de la Côte d'Azur, CNRS Laboratoire Cassini, BP 4229, 06304 Nice Cedex 4, France
3 Departamento de Física, U.F.C., CP 6030, Fortaleza 60455–760, Ceará, Brazil e-mail: email@example.com
Corresponding author: D. Petrini, firstname.lastname@example.org
Accepted: 3 July 2002
Aluminium atoms undergoing soft X–ray irradiation produce multiply–ionized ions in excited states through inner–shell photoionization followed by radiationless transitions, i.e. Auger cascades. Photoionization of 2s–, 2p– and 3s subshells are considered for the 80 eV to 1 keV incident photon energy range. Photoionization cross sections, shake probabilities and Auger and Coster–Kronig rates are evaluated in various approximations. , and UV lines are directly produced independently of local temperature and electron density. Monopole shake up/off and conjugate shake up excitations are important over a large energy interval beyond the L thresholds.
Key words: atomic data / atomic processes / line: formation
© ESO, 2002
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