Hyperfine-induced 2s2p3 3Po 0 - 2s22p2 3P0 transitions in C-like ions.

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Hyperfine-induced 2s2p3 3Po 0 - 2s22p2 3P0 transitions in C-like ions.

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Title Hyperfine-induced 2s2p3 3Po 0 - 2s22p2 3P0 transitions in C-like ions.
Author(s) Li, Jiguang ; Jönsson, Per ; Marques, Jose ; Godefroid, Michel
Date 2012
English abstract
Hyperfine-induced transitions (HIT) have recently attracted a lot of attention especially for its applications in astrophysics [1, 2]. Owing to their nature, HIT can be used to determine the relative isotope abundances and for low-density plasma diagnostics. For C-like ions, the fine structure interval between the 2s2p3 3Po0 and 2s2p3 3Po1 levels is quite small [3, 4], which results in strong state mixing in the presence of the hyperfine interactions. Consequently, large HIT probabilities are expected for many elements through the isoelectronic sequence. Using the GRASP2K package [5] and the MCDF-GME program [6] we calculate the HIT rates for a few abundant elements in stars. Stress is put on the interference effects between individual transition amplitudes that contribute to the HIT. In addition, some possible experiments will be suggested for a promising isotope analysis in stars.
Link http://www.physi.uni-heidelberg.de/Forschung/apix/TAP/HCI12/HCI12_book.pdf (external link to publication)
Host/Issue Book of Abstracts : 16th International Conference Physics of Highly Charged Ion;
Pages 218
Language eng (iso)
Subject(s) Sciences
Research Subject Categories::NATURAL SCIENCES
Note 16th International Conferences on the Physics of Highly Charged Ions, (HCI), Heidelberg (Germany), September 2 – 7, 2012
Handle http://hdl.handle.net/2043/14683 (link to this page)
Link http://www.unitt.de/?context=452&&card=heises.a2f5c36b6cf5cd6faba1e6d3d861b317 (external link to related web page)

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