Abstract

The electric quadrupole (E2) and magnetic dipole (M1) transitionsin the nitrogen isoelectronic sequence (Z = 10–30)between the levels of the 1s22s22p3,1s22s2p4 and 1s22p5configurations are investigated. The results include wavelengths andradiative E2 and M1 transition probabilities. The stationarysecond-order many-body perturbation theory (MBPT) was used to accountfor the electron correlations. A non-local potential was used tocalculate the radial part of the effective Hamiltonian. Relativisticcorrections were included in the Breit–Pauli approximation. Thelowest-order correlation corrections to the one-body part of thespin–orbit interaction operator were alsoincluded.

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