relevant Hartree-Fock values for the 2p 21 S states. However, the Hartree-Fock method provides a rather poor approximation for the wave functions and the energies of these states because it starts with an incorrect zero-order function as a result of which there is a sagging of (0.027 438) Z atomic units in the first-order energy. We, therefore, do not give our numerical values for the i S states in this paper. 9 L J*(r) denotes the associated Laguerre polynomial
We develop a theory of atomic structure treating electron correlation for excited and ground configurations, and apply it to 113 states of the ls^2s n 2p m type, in boron through sodium and their ions. Predictions agree better with experiment than the traditional methods.
where s = r1 + r 2 , t = rz -r 1 , and U = r12. The scale parameter a was optimized for each state bv minimizing U with Y "'S autoionizing states of Habove the n = 1, 2, and 3 ionization threholds are calculated using the time stability theory of autoionization. respect to cy. The total Hamiltonian of the system is given by
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