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Journal Article

Energy and angular distributions of electrons emitted by direct double Auger decay

MPS-Authors
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Viefhaus,  Jens
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Cvejanovic,  Slobodan
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Lischke,  Toralf
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Prümper,  Georg
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Rolles,  Daniel
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Grum-Grzhimailo,  Alexei N.
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Kabachnik,  Nikolai M.
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Becker,  Uwe
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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e083001.pdf
(Publisher version), 941KB

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Citation

Viefhaus, J., Cvejanovic, S., Langer, B., Lischke, T., Prümper, G., Rolles, D., et al. (2004). Energy and angular distributions of electrons emitted by direct double Auger decay. Physical Review Letters, 92(8), 083001-1-083001-4. doi:10.1103/PhysRevLett.92.083001.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-0D4E-D
Abstract
We have observed the direct L2,3MMM double Auger transition after photoionization of the 2p shell of argon by angle-resolved electron-electron coincidence spectroscopy. The process is responsible for about 20% of the observed Auger electron intensity. In contrast to the normal Auger lines, the spectra in double Auger decay show a continuous intensity distribution. The energy and angular distributions of the emitted electrons allow one to obtain information on the electron correlations giving rise to the double Auger process as well as the symmetry of the associated two-electron continuum state.