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H(2p) excitation by 54.4 eV electrons

Bartlett, P.L., Stelbovics, A.T., Lee, G.M. and Bray, I. (2005) H(2p) excitation by 54.4 eV electrons. Journal of Physics B: Atomic, Molecular and Optical Physics, 38 (6). L95-L98.

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In response to the recent measurements of the 54.4 eV e-H(2p) reduced Stokes parameters by Gradziel and O'Neill (2004 J. Phys. B: At. Mol. Opt. Phys. 37 1893) we perform corresponding calculations using two recently developed techniques. These are the propagating exterior complex scaling direct approach to the solution of the underlying Schrödinger equation, and the box-based convergent close-coupling method. We find the results to be almost identical to the Laguerre-based convergent close-coupling method of Bray and Stelbovics (1992 Phys. Rev. A 49 1066). Hence we are unable to explain the substantial discrepancy with experiment for the P∼ 3 parameter in the vicinity of 30°.

Item Type: Journal Article
Murdoch Affiliation(s): Centre for Atomic, Molecular and Surface Physics
Publisher: Institute of Physics
Copyright: © 2005 IOP Publishing Ltd.
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