Ejection of quasi-free-electron pairs from the helium-atom ground state by single-photon absorption
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 fingerprint of an elusive quasifree photon d...
| Main Authors: | Schoffler, M., Stuck, C., Waitz, M., Trinter, F., Jahnke, T., Lenz, U., Jones, M., Belkacem, A., Landers, A., Pindzola, M., Cocke, C., Colgan, J., Kheifets, A., Bray, Igor, Schmidt-Bocking, H., Dorner, R., Weber, T. |
|---|---|
| Format: | Journal Article |
| Published: |
The American Physical Society
2013
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| Online Access: | http://hdl.handle.net/20.500.11937/34709 |
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