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Heavy-ion storage-ring-lifetime measurement of metastable levels in the C-, N-, and O-like ions of Si, P, and S

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons30535

Grieser,  Manfred
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30604

Hoffmann,  Jens
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30715

Krantz,  Claude
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30936

Repnow,  Roland
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons31190

Wolf,  Andreas
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Citation

Träbert, E., Grieser, M., Hoffmann, J., Krantz, C., Repnow, R., & Wolf, A. (2012). Heavy-ion storage-ring-lifetime measurement of metastable levels in the C-, N-, and O-like ions of Si, P, and S. Physical Review. A, 85(4): 042508, pp. 1-8. doi:10.1103/PhysRevA.85.042508.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-9F0F-2
Abstract
In a quest for benchmarking transition rate data on electric-dipole (E1) forbidden transitions to be used in collisional-radiative models of plasma spectra, the radiative decay rates of the metastable levels 2s22p2 1 D2, 2s22p3 2 P1/2,3/2o, and 2s22p4 1 D2 in C-, N-, and O-like ions, respectively, have been measured for the elements Si, P, and S. Results with uncertainties mostly well below 1% are obtained using ions circulating in a storage ring. Precision results for Si7+, P7+, P8+, P9+, S8+, and S10+ obtained here complete the isoelectronic sequence data sets for these four metastable levels in all three elements.