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Lifetime studies of Cs*HeN exciplexes in solid ⁴He

Moroshkin, Peter ; Hofer, Adrian ; Lebedev, Victor ; Weis, Antoine

In: Physical Review A, 2008, vol. 78, p. 032501

We present time-resolved measurements of the laser-induced fluorescence from Cs atoms and Cs*HeN exciplexes in a solid ⁴He matrix. The linear Cs*He₌₂ exciplex is strongly quenched by a radiationless transformation into a ring-shaped Cs*HeN=6,7 exciplex, which decays radiatively with a lifetime of 88±2 ns. The analysis...