(e,3e) on helium at low impact energy: the strongly correlated three-electron continuum
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Durr, M; Dorn, Alexander; Ullrich, Joachim; Cao, S.P; Czasch, A O; Kheifets, Anatoli; Gotz, J.R; Briggs, J.S
Description
Double ionization of the helium atom by slow electron impact (E0=106 eV) is studied in a kinematically complete experiment. Because of a low excess energy Eexc=27 eV above the double ionization threshold, a strongly correlated three-electron continuum is realized. This is demonstrated by measuring and calculating the fully differential cross sections for equal energy sharing of the final-state electrons. While the electron emission is dominated by a strong Coulomb repulsion, also signatures...[Show more]
Collections | ANU Research Publications |
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Date published: | 2007-05-11 |
Type: | Journal article |
URI: | http://hdl.handle.net/10440/758 http://digitalcollections.anu.edu.au/handle/10440/758 |
Source: | Physical Review Letters |
DOI: | 10.1103/PhysRevLett.98.193201 |
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Durr_e3e2007.pdf | 411.1 kB | Adobe PDF |
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