Person

• IR-spectroscopy of carbon clusters
• bending modes of carbon chains
• rotational spectroscopy
• molecules of astrophysical interest
• development of spectroscopy techniques (e.g. OPO laser system)

Carbon Cluster Experiment

Curriculum Vitae

• Supervision of Theses:
• Bachelor / Miniforschung
• Diploma- and Master
• Doctoral

Finished PhD Theses (4)

• HSOH - An elusive species with many different traits
  Baum, Oliver (2008)
• Rovibrational Spectroscopy on Linear C₇ and C₈ in a Supersonic Jet Expansion
  Neubauer-Guenther, Petra (2007)
• A Supersonic Jet Spectrometer for Terahertz Applications (SuJeSTA)
  Caris, Michael (2006)
• High Resolution Terahertz Spetctroscopy on Small Molecules of Astrophysical Importance
  Sandra Brünken (2005)

Finished Diploma Theses (4)

• Entwicklung und Aufbau eines breitbandigen Millimeterwellen-Spektrometers in Halbleitertechnik sowie spektroskopische Messungen an Ozon
  Herberth, Doris (2007)
• Hochauflösende Terahertz-Spektroskopie an Kettenmolekülen
  Spahn, Holger (2005)
• Aufbau eines Multiplier-Terahertzspektrometers und seine Anwendung in der hochauflösenden Laborspektroskopie
  Endres, Christian P. (2004)
• Untersuchungen zur Erhöhung der Nachweisempfindlichkeit eines Diodenlaserspektrometers mit einem externen Resonator
  Neubauer-Guenther, Petra (2000)

Recent Publications

2012

• Far infrared Fourier-transform spectroscopy of mono-deuterated hydrogen peroxide HOOD
  D. Herberth, O. Baum, O. Pirali, P. Roy, S. Thorwirth, K. M. T. Yamada, S. Schlemmer, and T. F. Giesen
  J. Quant. Spectrosc. Radiat. Transfer 113, 1127–1133 (2012)

2011

• Herschel observations of EXtra-Ordinary Sources (HEXOS): Methanol as a probe of physical conditions in Orion KL
  Wang, S. and Bergin, E. A. and Crockett, N. R. and Goldsmith, P. F. and Lis, D. C. and Pearson, J. C. and Schilke, P. and Bell, T. A. and Comito, C. and Blake, G. A. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Daniel, F. and Dubernet, M.-L. and Emprechtinger, M. and Encrenaz, P. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Gupta, H. and Herbst, E. and Joblin, C. and Johnstone, D. and Langer, W. D. and Latter, W. B. and Lord, S. D. and Maret, S. and Martin, P. G. and Melnick, G. J. and Menten, K. M. and ...
  Astron. Astrophys. 527, Art. No. A95 (2011)
• A continuous-wave optical parametric oscillator around 5 μm wavelength for high-resolution spectroscopy
  J. Krieg, A. Klemann, I. Gottbehüt, S. Thorwirth, T. F. Giesen, S. Schlemmer
  Rev. Sci. Instrum. 82, 063105 (2011)
• Millimeter-wave Spectroscopy of Titanium Dioxide, TiO₂
  P. Kania, M. Hermanns, S. Brünken, H. S. P. Müller, and T. F. Giesen
  J. Mol. Spectrosc. 268, 173–176 (2011)
• High-resolution OPO spectroscopy of Si₂C₃ at 5 μm: Observation of hot band transitions associated with ν₃
  S. Thorwirth, J. Krieg, V. Lutter, I. Keppeler, S. Schlemmer, M. E. Harding, J. Vázquez, and T. F. Giesen
  J. Mol. Spectrosc. 270, 75-78 (2011)
• Submillimeter-wave Spectroscopy of the K = 2–1 Subband of the Ne–CO Complex
  A. V. Potapov, L. A. Surin, S. Schlemmer, T. F. Giesen
  J. Mol. Spectrosc. 270, 116–119 (2011)

2010

• The ν₅ antisymmetric stretching mode of linear C₇ Revisited in High Resolution
  J. Krieg, V. Lutter, F.-X. Hardy, S. Schlemmer, and T. F. Giesen
  J. Chem. Phys. 132, Art.-No. 224306 (2010)
• Theoretical rotation–torsion spectra of HSOH
  A. Yachmenev, S. N. Yurchenko, P. Jensen, O. Baum, T. F. Giesen and W. Thiel
  Phys. Chem. Chem. Phys. 12, 8387–8397 (2010)
• Strong absorption by interstellar hydrogen fluoride: Herschel/HIFI observations of the sight-line to G10.6-0.4 (W31C)
  Neufeld, D. A. and Sonnentrucker, P. and Phillips, T. G. and Lis, D. C. and de Luca, M. and Goicoechea, J. R. and Black, J. H. and Gerin, M. and Bell, T. and Boulanger, F. and Cernicharo, J. and Coutens, A. and Dartois, E. and Kazmierczak, M. and Encrenaz, P. and Falgarone, E. and Geballe, T. R. and Giesen, T. and Godard, B. and Goldsmith, P. F. and Gry, C. and Gupta, H. and Hennebelle, P. and Herbst, E. and Hily-Blant, P. and Joblin, C. and Kolos, R. and Krelowski, J. and Martín-Pintado, J. and Menten, K. M. ...
  Astron. Astrophys. 518, Art. No. L108 (2010)
• Herschel observations of EXtra-Ordinary Sources (HEXOS): Detection of hydrogen fluoride in absorption towards Orion KL
  Phillips, T. G. and Bergin, E. A. and Lis, D. C. and Neufeld, D. A. and Bell, T. A. and Wang, S. and Crockett, N. R. and Emprechtinger, M. and Blake, G. A. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Comito, C. and Daniel, F. and Dubernet, M.-L. and Encrenaz, P. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Goldsmith, P. F. and Herbst, E. and Joblin, C. and Johnstone, D. and Langer, W. D. and Latter, W. D. and Lord, S. D. and Maret, S. and Martin, P. G. and Melnick, G. J. and Menten, K. M. ...
  Astron. Astrophys. 518, Art. No. L109 (2010)
• Interstellar OH⁺, H₂O⁺ and H₃O⁺ along the sight-line to G10.6-0.4
  Gerin, M. and de Luca, M. and Black, J. and Goicoechea, J. R. and Herbst, E. and Neufeld, D. A. and Falgarone, E. and Godard, B. and Pearson, J. C. and Lis, D. C. and Phillips, T. G. and Bell, T. A. and Sonnentrucker, P. and Boulanger, F. and Cernicharo, J. and Coutens, A. and Dartois, E. and Encrenaz, P. and Giesen, T. and Goldsmith, P. F. and Gupta, H. and Gry, C. and Hennebelle, P. and Hily-Blant, P. and Joblin, C. and Kazmierczak, M. and Kolos, R. and Krelowski, J. and Martin-Pintado, J. and Monje, R. and Mookerjea, ...
  Astron. Astrophys. 518, Art. No. L110 (2010)
• Herschel/HIFI observations of interstellar OH⁺ and H₂O⁺ towards W49N: a probe of diffuse clouds with a small molecular fraction
  Neufeld, D. A. and Goicoechea, J. R. and Sonnentrucker, P. and Black, J. H. and Pearson, J. and Yu, S. and Phillips, T. G. and Lis, D. C. and de Luca, M. and Herbst, E. and Rimmer, P. and Gerin, M. and Bell, T. A. and Boulanger, F. and Cernicharo, J. and Coutens, A. and Dartois, E. and Kazmierczak, M. and Encrenaz, P. and Falgarone, E. and Geballe, T. R. and Giesen, T. and Godard, B. and Goldsmith, P. F. and Gry, C. and Gupta, H. and Hennebelle, P. and Hily-Blant, P. and Joblin, C. and Kolos, R. and Krelowski, J. and ...
  Astron. Astrophys. 521, Art. No. L10 (2010)
• Herschel observations of ortho- and para-oxidaniumyl (H₂O⁺) in spiral arm clouds toward Sagittarius B2(M)
  Schilke, P. and Comito, C. and Müller, H. S. P. and Bergin, E. A. and Herbst, E. and Lis, D. C. and Neufeld, D. A. and Phillips, T. G. and Bell, T. A. and Blake, G. A. and Cabrit, S. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Crockett, N. R. and Daniel, F. and Dubernet, M.-L. and Emprechtinger, M. and Encrenaz, P. and Falgarone, E. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Goldsmith, P. F. and Gupta, H. and Joblin, C. and Johnstone, D. and Langer, W. D. and Latter, W. B. and Lord, S. D. and ...
  Astron. Astrophys. 521, Art. No. L11 (2010)
• Detection of hydrogen fluoride absorption in diffuse molecular clouds with Herschel/HIFI: an ubiquitous tracer of molecular gas
  Sonnentrucker, P. and Neufeld, D. A. and Phillips, T. G. and Gerin, M. and Lis, D. C. and de Luca, M. and Goicoechea, J. R. and Black, J. H. and Bell, T. A. and Boulanger, F. and Cernicharo, J. and Coutens, A. and Dartois, E. and Kazmierczak, M. and Encrenaz, P. and Falgarone, E. and Geballe, T. R. and Giesen, T. and Godard, B. and Goldsmith, P. F. and Gry, C. and Gupta, H. and Hennebelle, P. and Herbst, E. and Hily-Blant, P. and Joblin, C. and Kolos, R. and Krelowski, J. and Martín-Pintado, J. and Menten, K. M. and ...
  Astron. Astrophys. 521, Art. No. L12 (2010)
• Excitation and abundance of C₃ in star forming cores. Herschel/HIFI observations of the sight-lines to W31C and W49N
  Mookerjea, B. and Giesen, T. and Stutzki, J. and Cernicharo, J. and Goicoechea, J. R. and de Luca, M. and Bell, T. A. and Gupta, H. and Gerin, M. and Persson, C. M. and Sonnentrucker, P. and Makai, Z. and Black, J. and Boulanger, F. and Coutens, A. and Dartois, E. and Encrenaz, P. and Falgarone, E. and Geballe, T. and Godard, B. and Goldsmith, P. F. and Gry, C. and Hennebelle, P. and Herbst, E. and Hily-Blant, P. and Joblin, C. and Kazmierczak, M. and Kolos, R. and Krelowski, J. and Lis, D. C. and Martin-Pintado, J. and ...
  Astron. Astrophys. 521, Art. No. L13 (2010)
• Herschel observations of EXtra-Ordinary Sources (HEXOS): detecting spiral arm clouds by CH absorption lines
  Qin, S.-L. and Schilke, P. and Comito, C. and Möller, T. and Rolffs, R. and Müller, H. S. P. and Belloche, A. and Menten, K. M. and Lis, D. C. and Phillips, T. G. and Bergin, E. A. and Bell, T. A. and Crockett, N. R. and Blake, G. A. and Cabrit, S. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Daniel, F. and Dubernet, M.-L. and Emprechtinger, M. and Encrenaz, P. and Falgarone, E. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Goldsmith, P. F. and Gupta, H. and Herbst, E. and Joblin, C. and ...
  Astron. Astrophys. 521, Art. No. L14 (2010)
• CH⁺ (1–0) and ¹³CH⁺ (1–0) absorption lines in the direction of massive star-forming regions
  Falgarone, E. and Godard, B. and Cernicharo, J. and de Luca, M. and Gerin, M. and Phillips, T. G. and Black, J. H. and Lis, D. C. and Bell, T. A. and Boulanger, F. and Coutens, A. and Dartois, E. and Encrenaz, P. and Giesen, T. and Goicoechea, J. R. and Goldsmith, P. F. and Gupta, H. and Gry, C. and Hennebelle, P. and Herbst, E. and Hily-Blant, P. and Joblin, C. and Kazmierczak, M. and Kolos, R. and Krelowski, J. and Martin-Pintado, J. and Monje, R. and Mookerjea, B. and Neufeld, D. A. and Perault, M. and Pearson J. C., and ...
  Astron. Astrophys. 521, Art. No. L15 (2010)
• Interstellar CH absorption in the diffuse interstellar medium along the sight-lines to G10.6-0.4 (W31C), W49N, and W51
  Gerin, M. and de Luca, M. and Goicoechea, J. R. and Herbst, E. and Falgarone, E. and Godard, B. and Bell, T. A. and Coutens, A. and Kazmierczak, M. and Sonnentrucker, P. and Black, J. H. and Neufeld, D. A. and Phillips, T. G. and Pearson, J. and Rimmer, P. B. and Hassel, G. and Lis, D. C. and Vastel, C. and Boulanger, F. and Cernicharo, J. and Dartois, E. and Encrenaz, P. and Giesen, T. and Goldsmith, P. F. and Gupta, H. and Gry, C. and Hennebelle, P. and Hily-Blant, P. and Joblin, C. and Kolos, R. and Krelowski, J. and ...
  Astron. Astrophys. 521, Art. No. L16 (2010)
• Herschel observations of EXtra-Ordinary Sources (HEXOS): The present and future of spectral surveys with Herschel/HIFI
  Bergin, E. A. and Phillips, T. G. and Comito, C. and Crockett, N. R. and Lis, D. C. and Schilke, P. and Wang, S. and Bell, T. A. and Blake, G. A. and Bumble, B. and Caux, E. and Cabrit, S. and Ceccarelli, C. and Cernicharo, J. and Daniel, F. and de Graauw, T. and Dubernet, M.-L. and Emprechtinger, M. and Encrenaz, P. and Falgarone, E. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Goldsmith, P. F. and Gupta, H. and Hartogh, P. and Helmich, F. P. and Herbst, E. and Joblin, C. and Johnstone, D. and Kawamura, J. and ...
  Astron. Astrophys. 521, Art. No. L20 (2010)
• Herschel observations of EXtra-Ordinary Sources (HEXOS): The Terahertz spectrum of Orion KL seen at high spectral resolution
  Crockett, N. R. and Bergin, E. A. and Wang, S. and Lis, D. C. and Bell, T. A. and Blake, G. A. and Boogert, A. and Bumble, B. and Cabrit, S. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Comito, C. and Daniel, F. and Dubernet, M.-L. and Emprechtinger, M. and Encrenaz, P. and Falgarone, E. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Goldsmith, P. F. and Gupta, H. and Güsten, R. and Hartogh, P. and Helmich, F. and Herbst, E. and Honingh, N. and Joblin, C. and Johnstone, D. and Karpov, A. and ...
  Astron. Astrophys. 521, Art. No. L21 (2010)
• Herschel/HIFI measurements of the ortho/para ratio in water towards Sagittarius B2(M) and W31C
  Lis, D. C. and Phillips, T. G. and Goldsmith, P. F. and Neufeld, D. A. and Herbst, E. and Comito, C. and Schilke, P. and Müller, H. S. P. and Bergin, E. A. and Gerin, M. and Bell, T. A. and Emprechtinger, M. and Black, J. H. and Blake, G. A. and Boulanger, F. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Coutens, A. and Crockett, N. R. and Daniel, F. and Dartois, E. and de Luca, M. and Dubernet, M.-L. and Encrenaz, P. and Falgarone, E. and Geballe, T. R. and Godard, B. and Giesen, T. F. and Goicoechea, J. R. and ...
  Astron. Astrophys. 521, Art. No. L26 (2010)
• Herschel observations of EXtra-Ordinary Sources (HEXOS): Observations of H₂O and its isotopologues towards Orion KL
  Melnick, G. J. and Tolls, V. and Neufeld, D. A. and Bergin, E. A. and Phillips, T. G. and Wang, S. and Crockett, N. R. and Bell, T. A. and Blake, G. A. and Cabrit, S. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Comito, C. and Daniel, F. and Dubernet, M.-L. and Emprechtinger, M. and Encrenaz, P. and Falgarone, E. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Goldsmith, P. F. and Herbst, E. and Joblin, C. and Johnstone, D. and Langer, W. D. and Latter, W. D. and Lis, D. C. and Lord, S. D. and Maret, S. and ...
  Astron. Astrophys. 521, Art. No. L27 (2010)
• Herschel observations of deuterated water towards Sgr B2(M)
  Comito, C. and Schilke, P. and Rolffs, R. and Lis, D. C. and Belloche, A. and Bergin, E. A. and Phillips, T. G. and Bell, T. A. and Crockett, N. R. and Wang, S. and Blake, G. A. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Daniel, F. and Dubernet, M.-L. and Emprechtinger, M. and Encrenaz, P. and Gerin, M. and Giesen, T. F. and Goicoechea, J. R. and Goldsmith, P. F. and Gupta, H. and Herbst, E. and Joblin, C. and Johnstone, D. and Langer, W. D. and Latter, W. D. and Lord, S. D. and Maret, S. and Martin, P. G. and ...
  Astron. Astrophys. 521, Art. No. L38 (2010)
• Nitrogen hydrides in interstellar gas. Herschel/HIFI observations towards G10.6-0.4 (W31C)
  Persson, C. M. and Black, J. H. and Cernicharo, J. and Goicoechea, J. R. and Hassel, G. E. and Herbst, E. and Gerin, M. and de Luca, M. and Bell, T. A. and Coutens, A. and Falgarone, E. and Goldsmith, P. F. and Gupta, H. and Kazmierczak, M. and Lis, D. C. and Mookerjea, B. and Neufeld, D. A. and Pearson, J. and Phillips, T. G. and Sonnentrucker, P. and Stutzki, J. and Vastel, C. and Yu, S. and Boulanger, F. and Dartois, E. and Encrenaz, P. and Geballe, T. R. and Giesen, T. and Godard, B. and Gry, C. and Hennebelle, P. and ...
  Astron. Astrophys. 521, Art. No. L45 (2010)
• Detection of OH⁺ and H₂O⁺ towards Orion KL
  Gupta, H. and Rimmer, P. and Pearson, J. C. and Yu, S. and Herbst, E. and Harada, N. and Bergin, E. A. and Neufeld, D. A. and Melnick, G. J. and Bachiller, R. and Baechtold, W. and Bell, T. A. and Blake, G. A. and Caux, E. and Ceccarelli, C. and Cernicharo, J. and Chattopadhyay, G. and Comito, C. and Cabrit, S. and Crockett, N. R. and Daniel, F. and Falgarone, E. and Diez-Gonzalez, M. C. and Dubernet, M.-L. and Erickson, N. and Emprechtinger, M. and Encrenaz, P. and Gerin, M. and Gill, J. J. and Giesen, T. F. and ...
  Astron. Astrophys. 521, Art. No. L47 (2010)

2009

• Sub-millimeter wave spectroscopy of the C₃H radical: Ro-vibrational transitions from ground to the lowest bending state
  M. Caris, T. F. Giesen, C. Duan, H. S. P. Müller, S. Schlemmer, K. M. T. Yamada
  J. Mol. Spectrosc. 253, 99–105 (2009)
• Characterization of cis- and trans-HSSOH via Rotational Spectroscopy and Quantum-Chemical Calculations
  M. Koerber, O. Baum, T. F. Giesen, S. Schlemmer, J. Hahn and J. Gauss
  Inorg. Chem. 48, 2269–2272 (2009)
• The torsional and asymmetry splittings in HSOH
  Yamada, K. M. T. and Jensen, P. and Ross, S. C. and Baum, O. and Giesen, T. F. and Schlemmer, S.
  J. Mol. Struct. 927, 96–100 (2009)
• Search for corannulene (C₂₀H₁₀) in the Red Rectangle
  Pilleri, P. and Herberth, D. and Giesen, T. F. and Gerin, M. and Joblin, C. and Mulas, G. and Malloci, G. and Grabow, J.-U. and Brünken, S. and Surin, L. and Steinberg, B. D. and Curtis, K. R. and Scott, L. T.
  Mon. Not. R. Astron. Soc. 297, 1053–1060 (2009)
• The Rotational Gas-Phase Spectrum of trans- and cis-HSSOH at 100 GHz
  M. Koerber, O. Baum, U. Hahn, J. Gauss, T. F. Giesen, and S. Schlemmer
  J. Mol. Spectrosc. 257, 34–39 (2009)
• An Ab Initio Calculation of the Vibrational Energies and Transition Moments of HSOH
  S. N. Yurchenko, A. Yachmenev, W. Thiel, O. Baum, T. F. Giesen, V. V. Melnikov, and P. Jensen
  J. Mol. Spectrosc. 257, 57–65 (2009)
• Rotational Transitions within the 2¹, 3¹, 4¹, and 6¹ States of Formaldehyde H₂¹²C¹⁶O
  L. Margulès, A. Perrin, R. Janeckovà, S. Bailleux, C. P. Endres, T. F. Giesen, and S. Schlemmer
  Can. J. Phys. 87, 425–435 (2009)
• Rotational Spectroscopy of the CO-para-H₂ Molecular Complex
  Potapov, A. V. and Surin, L. A. and Panfilov, V. A. and Dumesh, B. S. and Giesen, T. F. and Schlemmer, S. and Raston, P. L. and Jäger, W.
  Astrophys. J. 703, 2108–2112 (2009)
• Dimethyl Ether: Laboratory Spectra up to 2.1 THz. Torsion-Rotational Spectra within the Vibrational Ground State
  Endres, C. P. and Drouin, B. J. and Pearson, J. C. and Müller, H. S. P. and Lewen, F. and Schlemmer, S. and Giesen, T. F.
  Astron. Astrophys. 504, 635–640 (2009)

2008

• High-Resolution Laboratory Terahertz-Spectroscopy and Applications to Astrophysics; in Frontiers of Molecular Spectroscopy, Jaan Laane (ed.)
  S. Schlemmer, T. Giesen, F. Lewen, and G. Winnewisser (2008)
• Theoretical rotation-torsion energies of HSOH
  Ovsyannikov, R. I. and Melnikov, V. V. and Thiel, W. and Jensen, P. and Baum, O. and Giesen, T. F. and Yurchenko, S. N.
  J. Chem. Phys. 129, Art.-No. 154314 (2008)
• High-Resolution Rotational Spectroscopy in a Cold Ion Trap: H₂D⁺ and D₂H⁺
  Asvany, O. and Ricken, O. and Müller, H. S. P. and Wiedner, M. C. and Giesen, T. F. and Schlemmer, S.
  Phys. Rev. Lett. 100, Art.-No. 233004 (2008)
• Rotational spectra and hyperfine structure of isotopic species of deuterated cyanoacetylene, DC₃N
  Spahn, H. and Müller, H. S. P. and Giesen, T. F. and Grabow, J.-U. and Harding, M. E. and Gauss, J. and Schlemmer, S.
  Chem. Phys. 346, 132–138 (2008)
• High-resolution infrared measurements on HSOH: Analysis of the OH fundamental vibrational mode
  Baum, O. and Giesen, T. F. and Schlemmer, S.
  J. Mol. Spectrosc. 247, 25–29 (2008)
• The rotational spectrum of H³²SOH and H³⁴SOH above 1 THz
  Baum, O. and Koerber, M. and Ricken, O. and Winnewisser, G. and Yurchenko, S. N. and Schlemmer, S. and Yamada, K. M. T. and Giesen, T. F.
  J. Chem. Phys. 129, Art.-No. 224312 (2008)
• Fully reflective external-cavity setup for quantum-cascade lasers as a local oscillator in mid-infrared wavelength heterodyne spectroscopy
  Stupar, D. and Krieg, J. and Krötz, P. and Sonnabend, G. and Sornig, M. and Giesen, T. F. and Schieder, R.
  Appl. Opt. 47, 2993–2997 (2008)

2007

• Application of superlattice multipliers for high-resolution terahertz spectroscopy
  Endres, C. P. and Lewen, F. and Giesen, T. F. and Schlemmer, S. and Paveliev, D. G. and Koschurinov, Y. I. and Ustinov, V. M. and Zhucov, A. E.
  Rev. Sci. Instrum. 78, Art.-No. 043106 (2007)
• High resolution infrared spectra of the linear carbon cluster C₇: The  ν₄ stretching fundamental band and associated hot bands
  Neubauer-Guenther, P. and Giesen, T. F. and Schlemmer, S. and Yamada, K. M. T.
  J. Chem. Phys. 127, Art.-Nr. 014313 (2007)
• High resolution rotational spectroscopy on D₂O up to 2.7 THz in its ground and first excited vibrational bending states
  Brünken, S. and Müller, H. S. P. and Endres, C. and Lewen, F. and Giesen, T. and Drouin, B. and Pearson, J. C. and Mäder, H.
  Phys. Chem. Chem. Phys. 9, 2103–2112 (2007)
• Higher Energy States in the CO Dimer: Millimeter-Wave Spectra and Rovibrational Calculations
  L. A. Surin, D. N. Fourzikov, T. F. Giesen, S. Schlemmer, G. Winnewisser, V. A. Panfilov, B. S. Dumesh, G. W. M. Vissers, A. van der Avoird
  J. Phys. Chem. A 111, 12238–12247 (2007)

2006

• Isotope effects in the CO dimer: Millimeter wave spectrum and rovibrational calculations of (12C18O)₂
  Surin, L. A. and Fourzikov, D. N. and Giesen, T. F. and Schlemmer, S. and Winnewisser, G. and Panfilov, V. A. and Dumesh, B. S. and Vissers, G. W. M. and van der Avoird, A.
  J. Chem. Phys. 125, Art.-Nr. 4304 (2006)
• Gas-phase detection of HSOD and empirical equilibrium structure of oxadisulfane
  Baum, O. and Esser, S. and Gierse, N. and Brünken, S. and Lewen, F. and Hahn, J. and Gauss, J. and Schlemmer, S. and Giesen, T. F.
  J. Mol. Spectrosc. 795, 256–262 (2006)
• High resolution rotation inversion spectroscopy on doubly deuterated ammonia, ND₂H, up to 2.6 THz
  Endres, C. P. and Müller, H. S. P. and Brünken, S. and Paveliev, D. G. and Giesen, T. F. and Schlemmer, S. and Lewen, F.
  J. Mol. Struct. 795, 242–255 (2006)
• Millimeter-wave study of the CO–N₂ van der Waals complex: new measurements of CO–ortho-N₂ and assignments of new states of CO–para-N₂
  Surin, L. A. and Potapov, A. V. and Müller, H. S. P. and Panfilov, V. A. and Dumesh, B. S. and Giesen, T. F. and Schlemmer, S.
  J. Mol. Struct. 795, 198–208 (2006)
• The spectrum of ethylene from microwave to submillimetre-wave
  Willaert, F. and Demaison, J. and Margules, L. and Mäder, H. and Spahn, H. and Giesen, T. and Fayt, A.
  Mol. Phys. 104, 273–292 (2006)

2005

• Analysis of the rotational spectrum of methylene (CH₂) in its vibronic ground state with an Euler expansion of the Hamiltonian
  Brünken, S. and Müller, H. S. P. and Lewen, F. and Giesen, T. F.
  J. Chem. Phys. 123, Art.-Nr. 164315 (2005)
• Asymmetric rotor analysis of DSOD spectra up to the rQ₃ branch near 653 GHz
  Brünken, S. and Behnke, M. and Thorwirth, S. and Yamada, K. M. T. and Giesen, T. and Lewen, F. and Hahn, J. and Winnewisser, G.
  J. Mol. Struct. 742, 237–242 (2005)
• Experimental Determination of the  ν₅ cis-Bending Vibrational Frequency and Renner-Teller Structure in Ground State (X ²Π_u) Using Laser Induced Reactions
  Asvany, O. and Giesen, T. and Redlich, B. and Schlemmer, S.
  Phys. Rev. Lett. 94, Art.-Nr. 073001 (2005)
• Comparison of the cis-bending and C–H stretching vibration on the reaction of C₂H₂⁺ with H₂ using laser induced reactions
  Schlemmer, S. and Asvany, O. and Giesen, T.
  Phys. Chem. Chem. Phys. 7, 1592–1600 (2005)
• Trans-ethyl methyl ether in space. A new look at a complex molecule in selected hot core regions
  Fuchs, G. W. and Fuchs, U. and Giesen, T. F. and Wyrowski, F.
  Astron. Astrophys. 444, 521–530 (2005)

2004

• The quest for C₂N in space
  Fuchs, G. W. and Fuchs, U. and Giesen, T. F. and Wyrowski, F.
  Astron. Astrophys. 426, 517–521 (2004)
• Sub-Doppler and Doppler spectroscopy of DCN isotopomers in the terahertz region: ground and first excited bending states (v₁v₂v₃)=(01e,f0)
  Brünken, S. and Fuchs, U. and Lewen, F. and Urban, S. and Giesen, T. and Winnewisser, G.
  J. Mol. Spectrosc. 225, 152–161 (2004)
• High resolution spectroscopy of HCN isotopomers: H¹³CN, HC¹⁵N, and H¹³C¹⁵N in the ground and first excited bending vibrational state
  Fuchs, U. and Brünken, S. and Fuchs, G. W. and Thorwirth, S. and Ahrens, V. and Lewen, F. and Urban, S. and Giesen, T. F. and Winnewisser, G.
  Z. Naturforsch. 59a, 861–872 (2004)
• High resolution terahertz spectrum of CH₂: low J rotational transitions near 2 THz
  Brünken, S. and Michael, E. A. and Lewen, F. and Giesen, T. and Ozeki, H. and Winnewisser, G. and Jensen, P. and Herbst, E.
  Can. J. Chem. 82, 676–683 (2004)