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Nondipole effects in double photoionization of He at 450 eV excess energy

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Andrei Y Istomin1, Anthony F Starace1, N L Manakov2, A V Meremianin2, A S Kheifets3 and Igor Bray4

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LETTER TO THE EDITOR

Convergent close-coupling results for the triply differential cross section for double photoionization of He that include dipole–quadrupole terms are shown to have improved agreement (as compared to dipole approximation results) with recent experiments using linearly polarized light (Knapp A et al 2005 J. Phys. B: At. Mol. Opt. Phys. 38 615) for a number of kinematical configurations.


PACS

32.80.Fb Photoionization of atoms and ions

34.50.-s Scattering of atoms and molecules

Subjects

Atomic and molecular physics

Dates

Issue 2 (28 January 2006)

Received 22 September 2005, in final form 13 November 2005

Published 19 December 2005



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