Absolute fully resolved (e,3e) cross sections for the double ionization of helium

Lahmam‐Bennani, A.; Duguet, A.; Taouil, I.; Gaboriaud, M N; Avaldi, L.; Berakdar, Jamal; Kheifets, Anatoli

doi:10.1063/1.1302674

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2002

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“…The agreement with the experimental data is equally good for both. Figure 2a shows the SPM and BJ results at E 0 1099 eV, θ a 1 1 AE , E b E c 10 eV along with the relative experimental data of Lahmam-Bennani [35]. The agreement with the experimental data is not very good here, though the SPM results do show a minimum as indicated by the data.…”

Section: Resultsmentioning

confidence: 50%

(e, 3e) test on e-e correlations in helium

Srivastava

Muktavat

2002

Pramana - J Phys

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The angular variations of the five-fold differential cross section obtained by using different wave functions of helium are compared with experimental data. It is found that in the coplanar geometry two kinematical arrangements, (i) equal energy sharing between the two ejected electrons with one of them ejected along the momentum transfer direction and the other along varying direction and (ii) the Bethe ridge condition with fixed sum of ejected electron energies and varying angle between them, are very sensitive to e-e correlations contained in the target wave function. This comparison has been used to show that open-shell class of wave functions better incorporate e-e correlations than the closed-shell class.

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Section: Resultsmentioning

confidence: 50%