Phys. Rev. A 70, 062705 (2004) [8 pages]Electron-impact excitation of the 3s3p 1Po state of Mg-like ions: S4+, Ar6+, and Ca8+See Also: Publisher's Note Received 23 June 2004; published 6 December 2004; publisher error corrected 17 December 2004 Electron-impact excitation of the 3s3p 1Po state of Mg-like ions (S4+, Ar6+, and Ca8+) from their ground state is studied theoretically using the R-matrix method with 31 target states. Results are reported in the range of low incident electron energies for the total and differential cross sections of this excitation process as well as for the polarization fraction and the Stokes parameters P1, P2, and P3 of the photons emitted on the decay of the excited 3s3p 1Po state to the ground state. The agreement between experiment and the present results is good. We obtain a polarization fraction of about 35% at low incident electron energies in these ions. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.70.062705
DOI:
10.1103/PhysRevA.70.062705
PACS:
34.80.Kw
See AlsoPublisher's Note: Takeshi Kai, Rajesh Srivastava, and Shinobu Nakazaki, Publisher's Note: Electron-impact excitation of the 3s3p 1Po state of Mg-like ions: S4+, Ar6+, and Ca8+ [Phys. Rev. A 70, 062705 (2004)], Phys. Rev. A 70, 069903 (2004). |
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