Physics – Atomic and Molecular Clusters
Scientific paper
2011-04-19
Physics
Atomic and Molecular Clusters
Scientific paper
Homo- and heteronuclear alkali quartet trimers of the type K_{3-n}Rb_{n} (n=0,1,2,3) formed on helium nanodroplets are probed by one-color femtosecond photoionization spectroscopy. The obtained requencies are assigned to vibrations in different electronic states by comparison to high level ab initio calculations of the involved potentials including pronounced Jahn-Teller and spin-orbit couplings. Despite the fact that the resulting complex vibronic structure of the heavy alkali molecules complicates the comparison of experiment and theory we find good agreement for many of the observed lines for all species.
Ernst Wolfgang E.
Giese Christian
Hauser Andreas W.
Mudrich Marcel
Stienkemeier Frank
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