M J Roberts 2004 J. Phys. B: At. Mol. Opt. Phys. 37 2869 doi:10.1088/0953-4075/37/14/003
M J Roberts
Show affiliationsWe investigate the behaviour of the off-shell Coulomb T-matrices in the second-order Faddeev–Watson approximation to atomic ionization processes. In addition to the well-known on-shell singularities we show that, under certain kinematic conditions, there are additional singularities as the two-body ionization threshold is approached. A method for dealing with this problem is suggested and the results are applied to three different processes.
Issue 14 (28 July 2004)
Received 6 February 2004
Published 1 July 2004
M J Roberts 2004 J. Phys. B: At. Mol. Opt. Phys. 37 2869
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