Dielectronic Recombination in Pb+78

Semi-relativistic perturbation theory calculations are carried out for dielectronic recombination cross sections involving the 1s2 2s 2p nl subshells of Pb+77 as found above the 1s2 2s2 ionization threshold of Pb+78. We included levels in the 1s2 2s 2p nl subshells of Pb+77 for n = 7-20 and l = 0-4. Theoretical dielectronic recombination cross sections are compared with experimental dielectronic recombination rate coefficients for the 1s2 2s 2p 19l subshells of Pb+77.