Satellite spectra for heliumlike titanium. II
- 1 November 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 32 (5) , 3011-3029
- https://doi.org/10.1103/physreva.32.3011
Abstract
Kα x-ray spectra of heliumlike titanium, Ti x x i, from Tokamak Fusion Test Reactor (TFTR) plasmas have been observed with a high-resolution crystal spectrometer and have been used as a diagnostic of central plasma parameters. The data allow detailed comparison with recent theoretical predictions for the Ti x x i heliumlike lines and the associated satellite spectrum in the wavelength range from 2.6000 to 2.6400 Å. Improved values for the excitation rate coefficients of the Ti x x i resonance line, the intercombination lines, and the forbidden line, and new theoretical results on the wavelengths and transition probabilities for berylliumlike satellites due to transitions of the type 12lnl’-1s2p2l’ ’nl’ ’ ’ with n=2–4 have been calculated.
Keywords
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