Eur. Phys. J. D 59, 201-207 (2010)
https://doi.org/10.1140/epjd/e2010-00151-3

Electron-impact excitation of Ti²¹⁺ in Debye plasmas

¹ College of Physics and Electronics Engineering, Northwest Normal University, 730070, Lanzhou, P.R. China
² Institute of Applied Physics and Computational Mathematic, 100088, Beijing, P.R. China

Corresponding author: ^a dongcz@nwnu.edu.cn

Received: 18 December 2009
Revised: 2 April 2010
Published online: 4 June 2010

Abstract

The plasma screening effect on electron-impact excitation is studied by using the relativistic distorted-wave description and exemplified by the excitation of Ti²¹⁺ ion. The total and differential cross sections for the 1s–2s and 1s–2p excitations are calculated in the energy range from threshold to 5 times threshold energy, and the magnetic sublevel cross sections are also given. Comparison of present calculations with other results, when available, is made.