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  Configuration-interaction-induced dynamic spin polarization of the Ar∗(2p−11∕2,3∕24s1∕2)J=1 resonant Auger decay.

Lohmann, B., Langer, B., Snell, G., Kleiman, U., Canton, S. E., Martins, M., et al. (2005). Configuration-interaction-induced dynamic spin polarization of the Ar∗(2p−11∕2,3∕24s1∕2)J=1 resonant Auger decay. Physical Review A, 71(2): 020701(R). doi:10.1103/PhysRevA.71.020701.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-87B5-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-87BB-2
Genre: Journal Article

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Lohmann, B., Author
Langer, B., Author
Snell, G., Author
Kleiman, U., Author
Canton, S. E.1, Author           
Martins, M., Author
Becker, U., Author
Berrah, N., Author
Affiliations:
1Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for Biophysical Chemistry, Max Planck Society, ou_578564              

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 Abstract: Spin-resolved measurements of the Ar∗(2p−11∕2,3∕24s1∕2)J=1 resonantly excited L2,3M2,3M2,3 Auger decay have been performed. The low resolution Auger spectrum, which due to cancellation between different multiplet components should exhibit virtually zero dynamic spin polarization, reveals an unexpected nonvanishing polarization effect. Calculations within a relativistic distorted wave approximation explain this effect as configuration-interaction (CI) induced. The CI generates experimentally unresolved fine structure components with low and high total angular momentum, giving rise to asymmetric cases where the high J part of certain multiplets is suppressed by internal selection rules for diagram lines. In this case, only the low J components survive with no partner for spin-polarization cancellation.

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Language(s): eng - English
 Dates: 2005-02-09
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.71.020701
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Title: Physical Review A
Source Genre: Journal
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Pages: 4 Volume / Issue: 71 (2) Sequence Number: 020701(R) Start / End Page: - Identifier: -