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Ejection of quasi-free-electron pairs from the helium-atom ground state by single-photon absorption

Schöffler, M S; Stuck, C; Waitz, M; Trinter, F; Jahnke, T.; Lenz, U; Jones, M; Belkacem, A; Landers, A L; Pindzola, M.S.; Cocke, C L; Colgan, J.; Kheifets, Anatoli; Bray, Igor; Schmidt-Böcking, H; Dorner, R; Weber, Th


We investigate the single-photon double ionization of helium at photon energies of 440 and 800 eV. We observe doubly charged ions with close to zero momentum corresponding to electrons emitted back to back with equal energy. These slow ions are the unique

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.111.013003
Access Rights: Open Access


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