The 3p63d9-(3p53d10+3p63d84f) Transitions in Cobalt-like ions: As VII, Se VIII and Br IX

The spectra of As VII, Se VIII and Br IX have been studied in the 100 Å - 130 Å, 80 Å - 120 Å and 70 Å - 115 Å wavelength regions, respectively, using high d...