Abstract
The Einstein rate coefficients for magnetic dipole (M1), electricquadrupole (E2) and magnetic quadrupole (M2) transitions between all ofthe 2s2, 2s2p and 2p2 states are calculated for a number of Be-like ions from B II to Kr XXXIII. The Einstein ratecoefficients were calculated using two sets of configuration-interactionwavefunctions. The CIV3 code is used to generate both sets ofwavefunctions, one calculation uses only 60 configurations, the othermuch larger calculation uses almost 5000 configurations. In bothcalculations relativistic effects were included using the Breit-Pauliapproximation. Where possible the results are compared with earliercalculations. For some transitions there are considerable differencesbetween our calculations and earlier calculations, particularly at lowvalues of the nuclear charge Z.
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More From: Journal of Physics B: Atomic, Molecular and Optical Physics
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