Additions to the 2p53s, 3p and 3d configurations in the neon-like ion Ca XI

In the spectrum of calcium observed in laser-produced plasmas 35 spectral lines have been identified as 3s-3p and 3p-3d transitions of neon-like Ca XI, including transitions 3s 1,3P1-3p 1S0 and 3p 1S0-3d 1P1. Relative positions of all the 26 energy levels within the 2p53l configurations have been determined. Identifications were based on extra- and interpolations of the residuals between theoretical and observed energies of 3-3 transitions along the Ne I isoelectronic sequence.

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