Resonant and Near-Threshold Photoionization Cross Sections of Fe14+

Details Resonant and Near-Threshold Photoionization Cross Sections of Fe14+ Resonant and Near-Threshold Photoionization Cross Sections of Fe14+

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010phrvl.105r3001s&link_type=abstract

Physical Review Letters, vol. 105, Issue 18, id. 183001

Astronomy and Astrophysics

Astrophysics

5

Photoionization Of Atoms And Ions, Ion Trapping, Atomic Processes And Interactions

Scientific paper

Photoionization (PI) of Fe14+ in the range from 450 to 1100 eV was measured at the BESSY II storage ring using an electron beam ion trap achieving high target-ion area densities of 1010cm-2. Photoabsorption by this ion is observed in astrophysical spectra and plasmas, but until now cross sections and resonance energies could only be provided by calculations. We reach a resolving power E/ΔE of at least 6500, outstanding in the present energy range, which enables benchmarking and improving the most advanced theories for PI of ions in high charge states.

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