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Marcel Mudrich

Spectroscopy of triplet states of Rb2 by femtosecond pump-probe photoionization of doped helium nanodroplets

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  • M. Mudrich
  • Ph Heister, Albert-Ludwigs-Universität Freiburg
  • ,
  • Thomas Hippler, Albert-Ludwigs-Universität Freiburg
  • ,
  • Ch Giese, Albert-Ludwigs-Universität Freiburg
  • ,
  • O. Dulieu, Université Paris-Sud 11
  • ,
  • F. Stienkemeier, Albert-Ludwigs-Universität Freiburg

The dynamics of vibrational wave packets in triplet states of rubidium dimers (Rb2) formed on helium nanodroplets are studied using femtosecond pump-probe photoionization spectroscopy. Due to fast desorption of the excited Rb2 molecules off the droplets and due to their low internal temperature, wave-packet oscillations can be followed up to very long pump-probe delay times □1.5 ns. In the first-excited triplet state (1) Σ3 g+, full and fractional revivals are observed with high contrast. Fourier analysis provides high-resolution vibrational spectra which are in excellent agreement with ab initio calculations.

OriginalsprogEngelsk
Artikelnummer042512
TidsskriftPhysical Review A
Vol/bind80
Nummer4
ISSN2469-9926
DOI
StatusUdgivet - 20 okt. 2009
Eksternt udgivetJa

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