Energy levels and transition rates for the boron isoelectronic sequence: Si X, Ti XVIII – Cu XXV

摘要

Relativistic configuration interaction (RCI) calculations are performed for 291 states belonging to the configurations 1s22s22p,1s22s2p2, 1s22p3, 1s22s23l, 1s22s2p3l, 1s22p23l, 1s22s24l , 1s22s2p4l , and 1s22p24l (l = 0, 1,2 and l = 0, 1, 2, 3) in boron-likeions Si X and Ti XVIII to Cu XXV. Electron correlation effects are represented in the wave functions by large configuration statefunction (CSF) expansions. States are transformed from j j-coupling to LS -coupling, and the LS -percentage compositions are usedfor labeling the levels. Radiative electric dipole transition rates are given for all ions, leading to massive data sets. Calculated energylevels are compared with other theoretical predictions and crosschecked against the Chianti database, NIST recommended values, andother observations. The accuracy of the calculations are high enough to facilitate the identification of observed spectral lines.