Uni.-Prof. Thomas Giesen - Research Information System | University of Kassel - CONVERIS Research Information System

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Prof. Dr. Thomas Giesen

Projects as Principal Investigator

11/2016 - 11/2017	"Terahertz Spectorscopy of Titanium Dioxide (TiO2) and its Relevance to Astrophysics"
10/2014 - 11/2017	Towards understanding the astrochemistry of metal-compounds: Laboratory characterization of aluminum-bearing species through rotational spectroscopy and coupled-cluster calculations
05/2013 - 07/2015	Internal dynamism of molecules, internal rotation, high-resolution spectroscopy
01/2012 - 01/2015	Towards understanding the astrochemistry of metal-compounds: Laboratory characterization of aluminum-bearing species through rotational spectroscopy and coupled-cluster calculations

Publications

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2005	Schlemmer, S., Asvany, O., Giesen, T., 2005. Comparison of the cis-bending and C-H stretching vibration on the reaction of C2H2+ with H2 using laser induced reactions. Physical Chemistry Chemical Physics 7, 1592–1600. https://doi.org/10.1039/b418495p
2005	Asvany, O., Giesen, T., Redlich, B., Schlemmer, S., 2005. Experimental Determination of the ν5 Cis-Bending Vibrational Frequency and Renner-Teller Structure in Ground State (X2Πu) C2H2+ Using Laser Induced Reactions. Physical Review Letters 94, Art.–Nr. 073001. https://doi.org/10.1103/PhysRevLett.94.073001
2005	Fuchs, G.W., Fuchs, U.B.., Giesen, T., Wyrowski, F., 2005. Trans-ethyl methyl ether in space. A new look at a complex molecule in selected hot core regions. Astronomy and Astrophysics 444, 521–530.
2004	Fuchs, U.B.., Brünken, S., Fuchs, G.W., Thorwirth, S., Ahrens, V., Lewen, F., Urban, S., Giesen, T., Winnewisser, G., 2004. High resolution spectroscopy of HCN isotopomers: H13CN, HC15N, and H13C15N in the ground and first excited bending vibrational state. Z. Naturforsch. 59a, 861–872.
2004	Brünken, S., Michael, E.A., Lewen, F., Giesen, T., Ozeki, H., Winnewisser, G., Jensen, P., Herbst, E., 2004. High resolution terahertz spectrum of CH2: low J rotational transitions near 2 THz. Canadian Journal of Chemistry 82, 676–683. https://doi.org/10.1139/v04-034
2004	Brünken, S., Fuchs, U.B.., Lewen, F., Urban, S., Giesen, T., Winnewisser, G., 2004. Sub-Doppler and Doppler spectroscopy of DCN isotopomers in the terahertz region: ground and first excited bending states (ν1ν2ν3)=(01e,f0). Journal of Molecular Spectroscopy 225, 152–161. https://doi.org/10.1016/j.jms.2004.02.021
2004	Fuchs, G.W., Fuchs, U.B.., Giesen, T., Wyrowski, F., 2004. The quest for C2N in space. Astronomy and Astrophysics 426, 517–521. https://doi.org/10.1051/0004-6361:20047177
2003	Fuchs, G.W., Fuchs, U.B.., Giesen, T., Winnewisser, G., Wyrowski, F., McCarthy, M.C., Gottlieb, C.A., Kucera, J., Thaddeus, P., 2003. Spectroscopy of Linear Carbon Chain Radicals - The Case of CₙN Chains, in: Springer, B. (Hrsg.), The Dense Interstellar Medium in Galaxies, Proceedings of the 4th Cologne-Bonn-Zermatt-Symposium,. Springer, Berlin, S. TBD.
2003	Gendriesch, R., Pehl, K., Giesen, T., Winnewisser, G., Lewen, F., 2003. Terahertz Spectroscopy of Linear Triatomic CCC: High Precision Laboratory Measurement and Analysis of the Ro-Vibrational Bending Transitions. Z. Naturforsch. 58a, 129–138.
2002	Neubauer-Guenther, P., Giesen, T., Berndt, U., Fuchs, G.W., Winnewisser, G., 2002. The Cologne Carbon Cluster Experiment: ro-vibrational spectroscopy on C8 and other small carbon clusters. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 59, 431–441.