Double photoionization of helium atoms at 1 eV above
threshold |
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Authors: | J N Das S Paul K Chakrabarti |
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Institution: | 1. Department of Applied Mathematics, University College of Science, 92 A.P.C. Road, Kolkata, 700 009, India 2. Department of Mathematics, Scottish Church College, 1 & 3 Urquhart Square, Kolkata, 700 006, India
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Abstract: | An ab initio calculation of triple differential
cross-section for double photoionization of helium atoms are
presented for a very low energy of just 1 eV above threshold in
the equal energy sharing kinematics. We have used hyperspherical
partial wave theory together with a Numerov difference scheme in
place of other schemes used in our earlier works. The results are
in excellent qualitative agreement with the measurements of
D?rner et al. Phys. Rev. A 57, 1074 (1998)]. |
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Keywords: | |
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