THE EXTREME ULTRAVIOLET SPECTRUM OF HIGHLY CHARGED COPPER IONS

This paper reports the laboratory measurements of extreme ultraviolet spectra of highly charged copper ions. In this work, 82 lines from Cu XV to Cu XXIII in the 160-360 A wavelength range are identified as the transitions of the 2p(2)3p-2p(2)3d, 2p(4)3s-2p(4)3p, 2p(4)3p-2p(4)3d, 2p(5)3s-2p(5)3p, 2p(5)3s-2p(5)3p, 3s3p-3p(2), 3s(2)3p(3)-3s3p(4), 3s(2)3p-3s(3)p(2), 3s(2)3p(3)-3s(3)p(4), and 2p(4)(P-3)3s-2p(4)(P-3) 3p, in which 40 spectral lines have been newly and accurately measured. Their identification is based on comparisons with available experimental and theoretical values. and the calculations with Cowan codes.