Spectroscopy of M-shell x-ray transitions in Zn-like through Co-like W

Research output: Contribution to journalArticle


The M-shell x-ray emission of highly charged tungsten ions has been investigated at the Livermore electron beam ion trap facility. Using the SuperEBIT electron beam ion trap and a NASA x-ray calorimeter array, transitions connecting to levels of the ground configurations in the 1500–3600 eV spectral range of zinc-like W44+ through cobalt-like W47+ have been measured. The measured spectra are compared with theoretical line positions and emissivities calculated using the FAC code.


  • Joel Clementson
  • Peter Beiersdorfer
  • Greg Brown
  • Ming Feng Gu
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Atom and Molecular Physics and Optics


  • x-ray calorimeter, highly charged ions, x-ray spectroscopy, tungsten, electron beam ion trap
Original languageEnglish
Pages (from-to)015301-1-015301-8
JournalPhysica Scripta
Issue number1
Publication statusPublished - 2010
Publication categoryResearch