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Title: Production and decay of Sulphur excited species in a ECRIS plasma
Authors: Martins, Maria Conceição
Marques, José Pires
Costa, Ana Maria
Santos, José Paulo
Parente, Fernando
Schlesser, Sophie
Le Bigot, Eric-Olivier
Indelicato, Paul
Keywords: X-ray spectra
Transition probabilities
Issue Date: 2009
Publisher: American Physical Society
Citation: Physical Review A: Atomic, Molecular and Optical Physics 80, 032501 (2009)
Abstract: The most important processes for the creation of S12+ to S14+ ions excited states from the ground configurations of S9+ to S14+ ions in an electron cyclotron resonance ion source, leading to the emission of K X-ray lines, are studied. Theoretical values for inner-shell excitation and ionization cross sections, including double KL and triple KLL ionization, transition probabilities and energies for the deexcitation processes, are calculated in the framework of the multi-configuration Dirac-Fock method. With reasonable assumptions about the electron energy distribution, a theoretical K$\alpha$ X-ray spectrum is obtained, which is compared to recent experimental data.
ISSN: 1050-2947
Appears in Collections:FCT: CFA - Artigos em revista internacional com arbitragem científica

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