Storage-ring measurement of the hyperfine induced 47Ti18+(2s 2p 3P0 -> 2s2 1S0) transition rate
S. Schippers, E. W. Schmidt, D. Bernhardt, D. Yu, A. Mueller, M. Lestinsky, D. A. Orlov, M. Grieser, R. Repnow, A. Wolf
Abstract
The hyperfine induced 2s 2p 3P0 > 2s2 1S0 transition rate AHFI in berylliumlike 47Ti18+ was measured. Resonant electron-ion recombination in a heavy-ion storage ring was employed to monitor the time dependent population of the 3P0 state. The experimental value AHFI=0.56(3)/s is almost 60% larger than theoretically predicted.
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