Abstract

In this paper we present a precise and reliable measurement of the 1s22p 2P3/2 lifetime for Li-like Ni. The measurement was done using the technique of beam-foil spectroscopy employing a beam of 5.9MeV/u Ni from the UNILAC accelerator at GSI. Special attention was taken concerning satellite blending and foil-ageing problems to justify the reliability of the lifetime value extracted from the measured decay curve. The experimental value for the 2p 2P3/2 lifetime, 0.168±0.006ns, is found to be in very good agreement with theoretical results.

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