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Low energy (e,2e) measurements of CH4 and neon in the perpendicular plane
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10.1063/1.3690461
/content/aip/journal/jcp/136/9/10.1063/1.3690461
http://aip.metastore.ingenta.com/content/aip/journal/jcp/136/9/10.1063/1.3690461
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Diagram of the geometry used in this study. A perpendicular geometry (ψ = 90°) is defined when the momentum of the incident electron is perpendicular to that of the outgoing electrons, i.e., the detection plane. In the perpendicular geometry only the mutual angle (ϕ = ξ1 + ξ2) is relevant.

Image of FIG. 2.
FIG. 2.

Experimental and theoretical TDCS for the 2p orbital of neon. Incident energies of 5 eV to 50 eV above the ionisation potential (IP = 21.6 eV) were used, as indicated on the plots. Two theoretical predictions are shown for all energies; DWBA with no PCI included (solid line) and 3DW (dashed line) where PCI is treated using the Ward-Macek approximation. An additional theoretical curve is shown in (c) following the calculation of Purohit et al. 22 The experimental and theoretical data have been independently normalised to unity at the peak of the TDCS for each energy.

Image of FIG. 3.
FIG. 3.

Experimental and theoretical DWBA TDCS for the 1t2 HOMO state of CH4. Incident energies of 3 eV to 60 eV above the ionisation potential (IP ∼ 14 eV) were used, as indicated on the plots. The experimental and theoretical data have been independently normalised to unity at the peak for each energy.

Image of FIG. 4.
FIG. 4.

Experimental and theoretical (M3DW) TDCS for the 1t2 HOMO state of CH4. The experimental data have been normalised to unity at the maximum intensity, while the theoretical data are normalised to unity at the side peaks. For details, see text.

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/content/aip/journal/jcp/136/9/10.1063/1.3690461
2012-03-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Low energy (e,2e) measurements of CH4 and neon in the perpendicular plane
http://aip.metastore.ingenta.com/content/aip/journal/jcp/136/9/10.1063/1.3690461
10.1063/1.3690461
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