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EUV magnetic-dipole lines from highly-charged high-Z ions with an open 3d shell

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Abstract

The electron beam ion trap (EBIT) at the National Institute of Standards and Technology was used to produce highly-charged ions of hafnium, tantalum and gold with an open 3d shell. The extreme-ultraviolet (EUV) spectra from these ions were recorded with a flat-field grazing-incidence spectrometer in the wavelength range of 4.5 nm to 25 nm. A total of 133 new spectral lines, primarily due to magnetic-dipole transitions within the ground-state 3d n configurations of the Co-like to K-like ions, were identified by comparing energy-dependent experimental spectra with a detailed collisional-radiative modeling of the EBIT plasma.

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Authors and Affiliations

  1. National Institute of Standards and Technology, 20899-8422, Gaithersburg, MD, USA

    D. Osin, J. D. Gillaspy, J. Reader & Yu. Ralchenko

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  1. D. Osin
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  2. J. D. Gillaspy
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  3. J. Reader
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  4. Yu. Ralchenko
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Correspondence to Yu. Ralchenko.

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Osin, D., Gillaspy, J.D., Reader, J. et al. EUV magnetic-dipole lines from highly-charged high-Z ions with an open 3d shell. Eur. Phys. J. D 66, 286 (2012). https://doi.org/10.1140/epjd/e2012-30499-y

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  • DOI: https://doi.org/10.1140/epjd/e2012-30499-y

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