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Heidelberg 1999 – scientific programme

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SYCF: Symposium Cluster und Fullerene

SYCF 5: Cluster und große Moleküle (Poster)

SYCF 5.9: Poster

Tuesday, March 16, 1999, 16:00–19:00, PA

Microwave Infrared Double Resonance Spectroscopy of an OCS Molecule inside an 4He Droplet — •Slava Grebenev1, J. Peter Toennies1, Andrei F. Vilesov1, Frank Madeya2, and Martina Havenith21MPISF 37073 Gottingen Bunsenstrasse 10 — 2IAP Bonn university Wegelerstrasse 8 53405 Bonn

After the sharp rotational structure of SF6 and OCS

IR spectra in 4He droplets was observed and treated as a

spectroscopic manifestation of superfluidity at microscopic level

the doubel resonance infrared microwave technique was applied to

the OCS in 4He droplets in order to increase the resolution. The

subrotational structure of OCS lines in the difference double

resonance infrared spectra was found. This structure is caused

by the interaction between the OCS molecule and 4He droplet,

probably between the rotation of OCS and angular momentum of the

droplet. The further investigations are needed to explain the

observed structure.

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