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Accueil > Séminaires > Année 2020 > Séminaire de Sven Thorwirth (21 janvier 2020)

Séminaire de Sven Thorwirth (21 janvier 2020)

I. Physikalisches Institut, Universität zu Köln

par Martrenchard-Barra Séverine - 16 janvier

High-resolution spectroscopic studies of transient carbonaceous species

Carbonaceous molecules are of importance in diverse scientific areas such as astrochemistry, material science, structural chemistry and theoretical chemistry.
Carbon–rich chains in particular are abundant ingredients of molecular clouds and circumstellar shells.
In this talk, recent efforts towards spectroscopic characterization of neutral and
charged carbon-rich chains harboring selected heteroelements will be presented.
For the most part, neutral chains were studied at high spectral resolution using
a combination of laser ablation production and infrared laser spectroscopy. Charged carbon-rich chains were observed using both infrared and millimeter-wave techniques employing Cologne-built 22-pole ion trap.
Experimental studies and spectroscopic analyses were guided and complemented by high-level quantum-chemical calculations performed at the CCSD(T) level of theory.

Séminaire de Sven Thorwirth - 76.5 ko

21 janvier 2020