HIGH LYING CONFIGURATIONS IN THE SPECTRUM OF DOUBLY IONIZED ZINC

From the analysis of 3d(9)4s-3d(8)4s4p transitions in Zn III the energ y levels of the configuration 3d(8)4s4p have been revised and extended , using spectrograms obtained on a 6.65 m normal incidence spectrograp h. Out of 90 levels, 61 were established. Of the 32 levels listed in a previous identification, 22 have been confirmed in present analysis, although the designation for some of them was changed. The previous an alysis of 3d(9)4s-3d(9)4f transitions was also extended by adding 15 n ew lines to this transition array, 40 lines of 3d(9)4s-3d(9)6p, 7p and 3d10-3d(9)6p, 5f, 7p transitions were found resulting in location of 18 new levels in these highly excited configurations.