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Abstract
The absorption spectrum of the S0 -> S2 transition of ultracold PhNO in a supersonic jet was measured indirectly by monitoring the product yield of the NO fragment. The vibrational structure and relative line intensities agree well with the corresponding spectrum in an Ar matrix. The photofragmentation yield is const. for all vibronic S2-states up to an excess energy of 3500 cm-1. The electronic ...
Abstract
The absorption spectrum of the S0 -> S2 transition of ultracold PhNO in a supersonic jet was measured indirectly by monitoring the product yield of the NO fragment. The vibrational structure and relative line intensities agree well with the corresponding spectrum in an Ar matrix. The photofragmentation yield is const. for all vibronic S2-states up to an excess energy of 3500 cm-1. The electronic origin line has a Lorentzian lineshape with a homogeneous width of 90 +- 5 cm-1. This corresponds to a lifetime of t(S2) = 60 +- 3 fs.
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