Kramida, A.
(2011),
Recent progress in spectroscopy of tungsten, Canadian Journal of Physics, [online], https://doi.org/10.1139/p11-045, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906782
(Accessed May 18, 2024)
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Recent progress in spectroscopy of tungsten
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Abstract
This contribution reviews experimental and theoretical work on spectroscopy of tungsten published since the last critical compilation of the energy levels and spectral lines of highly ionized tungsten [K09]. Since then, 15 new experimental studies were published, which resulted in new identifications and/or significantly improved wavelengths of spectral lines and energy levels of Li-like through As-like and Pm-like tungsten. Most of the measurements were made using electron-beam ion traps (EBITs). Two laser-spectroscopy studies resulted in new measurements of radiative lifetimes and transition probabilities of W II and W III. A few tens of theoretical studies of tungsten spectra were published since 2008. One of the most important of them contains a new theoretical interpretation of the odd-parity energy levels of neutral tungsten. This enabled a calculation of radiative transition rates. In another study, an extended calculation and collisional-radiative modeling of the spectra of Rh-like through Rb-like ions, W29+–W37+ resulted in a revised interpretation of the observed spectra. A new high-precision calculation of the spectrum of Pm-like W13+ sheds some light on the complex electronic structure of this ion and identifies some experimentally observed transitions. A number of high-precision calculations of energy levels, transition wavelengths and radiative rates were reported for highly ionized spectra, such as Yb-like, Ag-like, Ga-like, Zn-like, Ni-like, Ca-like, Al-like, Mg-like, Na-like, Ne-like, B-like, and Be-like. These developments are reviewed; revised and extended tables of energy levels and spectral lines of highly ionized tungsten are presented.Citation
Canadian Journal of Physics
Volume
89
Pub Type
Journals
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Keywords
Critical compilation, tungsten, wavelengths, energy levels, atomic spectra
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Created May 20, 2011, Updated April 7, 2024