Publications

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Refereed Journals

2011

D. L. Kokkin, S. Brünken, K. H. Young, N. A. Patel, C. A. Gottlieb, P. Thaddeus, and M. C. McCarthy
"The Rotational Spectra of 29SiC2 and 30SiC2",
ApJSS 196 (2011), 17. View abstract.

P. Kania, M. Hermanns, S. Brünken, H. S. P. Müller, T. F. Giesen
"Millimeter-wave spectroscopy of titanium dioxide, TiO2",
J. Mol. Spectrosc. 268 (2011), 173-176. View abstract.

N. A. Patel, K. H. Young, C. A. Gottlieb, P. Thaddeus, R. W. Wilson, K. M. Menten, M. J. Reid, M. C. McCarthy, J. Cernicharo, J. He, S. Brünken, Dinh-V-Trung, and E. Keto
"An Interferometric Spectral-line Survey of IRC+10216 in the 345 GHz Band",
ApJSS 193 (2011), 17. View on astro-ph. View abstract.

2010

L. Decin, E. de Beck, S. Brünken, H. S. P. Müller, K. M. Menten, H. Kim, K. Willacy, A. de Koter, and F. Wyrowski
"Circumstellar molecular composition of the oxygen-rich AGB star IK Tau: II. In-depth non-LTE chemical abundance analysis",
A&A 516 (2010), A69. View on astro-ph. View abstract.

S. Brünken, A. Belloche, S. Martin, L. Verheyen, and K. M. Menten
"Interstellar HOCN in the Galactic center region",
A&A 519 (2010), A109. View on astro-ph. View abstract.

N. Marcelino, S. Brünken, J. Cernicharo, D. Quan, E. Roueff, E. Herbst, and P. Thaddeus
"The puzzling behavior of HNCO isomers in molecular clouds",
A&A 519 (2010), A105. View abstract.

B. J. Drouin, S. Yu, C. E. Miller, H. S. P. Müller, F. Lewen, S. Brünken, and H. Habara
"Terahertz Spectroscopy of Oxygen, O2, in its Triplet Sigma and Singlet Delta Electronic States",
JQSRT 111 (2010), 1167-1173. View abstract.

2009

D. Halfen, L. M. Ziurys, S. Brünken, C. A. Gottlieb, M. C. McCarthy, and P. Thaddeus
"Detection of a New Interstellar Molecule: Thiocyanic Acid HSCN",
ApJL 702 (2009), L124-L127. View abstract or pdf.

S. Brünken, Z. Yu, C. A. Gottlieb, M. McCarthy, and P. Thaddeus
"Laboratory detection of thiocyanic acid HSCN",
ApJ 706 (2009), 1588-1593. View abstract or pdf.

P. Pilleri, D. Herberth, T. F. Giesen, M. Gerin, C. Joblin, G. Mulas, G. Malloci, J.-U. Grabow, S. Brünken, L. Surin, B. D. Steinberg, K. R. Curtis, and L. T. Scott
"Search for corannulene (C20H10) in the Red Rectangle",
MNRAS 397 (2009), 1053-1060. View arXiv preprint or abstract.

S. Brünken, C. A. Gottlieb, M. McCarthy, and P. Thaddeus
"Laboratory Detection of HOCN and Tentative Identification in Sgr B2",
ApJ 697 (2009), 880-885. View abstract or pdf.

N. A. Patel, K. H. Young, S. Brünken, K. M. Menten, P. Thaddeus and R. W. Wilson
"Detection of Vibrationally Excited CO in IRC+10216",
ApJL 691 (2009), L55-L58. View abstract or pdf.

N. A. Patel, K. H. Young, S. Brünken, R. W. Wilson, P. Thaddeus, K. M. Menten, M. Reid, M. C. McCarthy, Dinh-V-Trung, C. A. Gottlieb and A. Hedden
"Submillimeter narrow emission lines from the inner envelope of IRC+10216 ",
ApJ 692 (2009) 1205-1210. View abstract or pdf.

2008

S. Brünken, H. S. P. Müller, K. M. Menten, M. C. McCarthy and P. Thaddeus
"The rotational spectrum of TiO2 ",
ApJ 676 (2008), 1367-1371. View abstract or pdf.

P. Thaddeus, C. A. Gottlieb, H. Gupta, S. Brünken, M. C. McCarthy, M. Agundez, M. Guelin and J. Cernicharo
"Laboratory and Astronomical Detection of the Negative Molecular Ion C3N- ",
ApJ 677 (2008), 1132-1139. View abstract or pdf.

2007

K. Kawaguchi, T. Fujimori, S. Aimi, S. Takano, E. Y. Okabayashi, H. Gupta, S. Brünken, C. A. Gottlieb, M. C. McCarthy and P. Thaddeus
"Observation of C8H- toward IRC+10216",
PASJ 59 (2007), L47-L50. View abstract or pdf.

S. Brünken, H. Gupta, C. A. Gottlieb, M. C. McCarthy and P. Thaddeus
"Detection of the Carbon Chain Negative Ion C8H- in TMC-1 ",
ApJ 664 (2007), L43-46 . View abstract or pdf.

C. A. Gottlieb, S. Brünken, M. C. McCarthy and P. Thaddeus
"The rotational spectrum of CN- ",
JCP 126 (2007), 191101. View abstract or pdf.

S. Brünken, C. A. Gottlieb, H. Gupta, M. C. McCarthy and P. Thaddeus
"Laboratory detection of the negative molecular ion CCH- ",
A&A 464 (2007), L33-L36. View abstract or pdf.

H. Gupta, S. Brünken, F. Tamassia, C. A. Gottlieb, M. C. McCarthy and P. Thaddeus
"Rotational Spectra of the Carbon Chain Negative Ions C4H- and C8H- ",
ApJ 655 (2007), L57-L60. View abstract or pdf.

S. Brünken, H. S. P. Müller, C. Endres, F. Lewen, T. F. Giesen, B. Drouin, J. C. Pearson, H. Mäder
"High resolution rotational spectroscopy on D2O up to 2.7 THz in its ground and first excited vibrational bending states ",
PCCP 9 (2007), 2103-2112. View abstract.

2006

S. Brünken, M. C. McCarthy, P. Thaddeus, P. D. Godfrey, R. D. Brown,
"Improved line frequencies for the nucleic acid base uracil for a radioastronomical search",
A&A 459 (2006), 317-320. View abstract or pdf.

K. M. Menten, S. D. Philipp, R. Güsten, J. Alcolea, E. T. Polehampton, S. Brünken,
"Submillimeter vibrationally excited water emission from the peculiar red supergiant VY Canis Majoris",
A&A 454 (2006), L107-L110. View abstract.

C. Endres, H. S. P. Müller, S. Brünken, D. G. Paveliev, T. F. Giesen, S. Schlemmer, F. Lewen,
"High resolution rotation-inversion spectroscopy on doubly deuterated ammonia, ND2H, up to 2.6 THz",
J. Mol. Struct. 795 (2006), 242-255. View abstract.

O. Baum, S. Esser, N. Gierse, S. Brünken, F. Lewen, J. Hahn, J. Gauss, S. Schlemmer and T. F. Giesen
"Gas-phase detection of HSOD and empirical equilibrium structure of oxadisulfane",
J. Mol. Struct. 795 (2006), 256-262. View abstract.

S. Brünken, H. S. P. Müller, S. Thorwirth, F. Lewen, and G. Winnewisser,
"The Rotational Spectra of the Ground and First Excited Bending States of Deuterium Isocyanide, DNC, up to 2 THz",
J. Mol. Struct. 780-781 (2006), 3-6. View abstract.

2005

T. F. Giesen, S. Brünken, M. Caris, P. Neubauer-Guenther, U. Fuchs, G. W. Fuchs, F. Lewen,
"Terahertz Rotational Spectroscopy ",
Proceedings IAU Symposium No. 231 (2005), 87-96 View abstract.

S. Brünken, H. S. P. Müller, F. Lewen, and T. F. Giesen,
"Analysis of the rotational spectrum of methylene CH₂ in its vibronic ground state with an Euler expansion of the Hamiltonian",
J. Chem. Phys. 123 (2005), Art. No. 164315. View abstract.

H. S. P. Müller and S. Brünken,
"Accurate rotational spectroscopy of sulfur dioxide, SO₂, in its ground vibrational and first excited bending states, v₂ = 0, 1, up to 2 THz",
J. Mol. Spectrosc. 232 (2005), 201–210. View abstract.

S. Brünken, M. Behnke, S. Thorwirth, K. M. T. Yamada, T. Giesen, F. Lewen, J. Hahn, and G. Winnewisser,
Asymmetric Rotor Analysis of DSOD Spectra up to the ^rQ₃ Branch near 653 GHz,
J. Mol. Struct., 742 (2005), 237-242. View abstract.

E. Polehampton, K.M. Menten, S. Brünken, G. Winnewisser, J.P. Baluteau,
"Far-Infrared detection of methylene",
Astron. Astroph. 431 (2005), 203–213. View ADS.

2004

U. Fuchs, S. Brünken, G. W. Fuchs, S. Thorwirth, V. Ahrens, F. Lewen, S. Urban, T. Giesen, and G. Winnewisser,
"High Resolution Spectroscopy of HCN Isotopomers: H¹³CN, HC¹⁵N, and H¹³C¹⁵N in the Ground and First Excited Bending Vibrational State",
Z. Naturforsch. 59a, (2004), 861–872. View abstract.

F. Lewen, S. Brünken, G. Winnewisser, M. Simecková and S. Urban,
"Doppler-Limited Rotational Spectrum of the NH Radical in the 2 THz Region",
J. Mol. Spectrosc. 226, (2004), 113–122. View abstract.

S. Brünken, U. Fuchs, F. Lewen, S. Urban, T. Giesen and G. Winnewisser,
"Sub-Doppler and Doppler Spectroscopy of DCN Isotopomers in the Terahertz Region:Ground and First Excited Bending States (v₁v₂v₃)=(0 1^e,f 0)",
J. Mol. Spec. 225 (2004), 152-161. View abstract.

S. Brünken, E.A. Michael, F. Lewen, T. Giesen, H. Ozeki, G. Winnewisser, P. Jensen and E. Herbst,
"High Resolution Terahertz Spectrum of CH₂: Low J rotational transitions near 2 THz",
Can. J. Chem. 82, (2004), 676–683. View abstract.

2003

S. Brünken, H. S. P. Müller, F. Lewen and G. Winnewisser,
" High Accuracy Measurements on the Ground State Rotational Spectrum of Formaldehyde (H₂CO) up to 2 THz",
PCCP 5 (2003), 1515-1518. View abstract .

Z. Zelinger, T. Amano, V. Ahrens, S. Brünken, F. Lewen, H. S. P. Müller and G. Winnewisser,
"Submillimeter-wave Spectroscopy of HCN in Excited Vibrational States",
J. Mol. Spec. 220 (2003), 223-233. View abstract.

S. Thorwirth, F. Wyrowski, P. Schilke, K. M. Menten, S. Brünken, H. S. P. Müller and G. Winnewisser,
"Detection of HCN Direct l-type transitions Probing Hot Molecular Gas in the Proto-Planetary Nebula CRL618",
Astrophys. J. 586 (2003), 338-343. View abstract.

S. Thorwirth, H. S. P. Müller, F. Lewen, S. Brünken, V. Ahrens, G. Winnewisser,
"A concise new look at the l-type spectrum of H¹²C¹⁴N",
Astrophys. J. 585 (2003), L163-L165. View abstract.

2002

E. Canè, L. Fusina, H. Bürger, W. Jerzembeck, S. Brünken, F. Lewen, G. Winnewisser
"The Ground State Spectroscopic Parameters and Equilibrium Structure of PD₃",
J. Mol. Spec. 215 (2002), 1-9. View abstract.

S. Brünken, Ch. Gerth, B. Kanngießer, T. Luhmann, M. Richter and P. Zimmermann,
"Decay of the Ar 2s^-1 and 2p^-1 and Kr 3p^-1 and 3d^-1 hole states studied by photoelectron-ion coincidence spectroscopy",
Phys. Rev. A 65 (2002), 042708

2001

B. Kanngießer, S. Brünken, K. Godehusen, Ch. Gerth, W. Malzer, M. Richter, P. Zimmermann,
"A photoelectron-photoion coincidence method for the investigation of decay probabilities after innershell ionization",
Nucl. Instrum. Meth. Phys. Res. A 467-468 (2001), 1477-1480

2000

B. Kanngießer, M. Jainz, S. Brünken, W. Benten, Ch. Gerth, K. Godehusen, K. Tiedtke, P. van Kampen and P. Zimmermann,
"Simultaneous determination of radiative and nonradiative decay channels in the neon K shell",
Phys. Rev. A 62 (2000), 014702-1

1999

Ch. Gerth, M. Martins, S. Brünken, K. Godehusen, B. Kanngießer and P. Zimmermann,
"5p^-1 multiplet structure of atomic Lu studied by photoelectron spectroscopy",
J. Phys. B: At. Mol. Opt. Phys 32 (1999), L133-L138

Invited Talks / Colloquia

Negative Ions and Molecules in Astrophysics, Gothenburg (Sweden), August 22-24, 2011
"Laboratory Astrophysics: Or, Finding an Anion in a Haystack", view website

Terahertz Science and Technology - The Castle Meeting, Rauischholzhausen (Germany), July 3-6, 2011
"Lifting the veil - THz observations in the universe and laboratory"

ECAMP10, Salamanca (Spain), July 4-9, 2010
"Laboratory and Astronomical Detection of Carbon Chain Anions", view website

COST-The Chemical Cosmos, Workgroup Meeting, Boppard (Germany), May 9-12, 2010
"Spectroscopy of Molecular Anions", view website

433. WE-Heraeus-Seminar, ,,Anions - from the lab to the stars", Bad Honnef (Germany), June 7-11, 2009
"Laboratory and Astronomical Detection of Carbon Chain Anions", view website

PRAHA 2008, 20th International Conference on High Resolution Molecular Spectroscopy, Prague (Czech Republic), September 2-6, 2008
"Molecular Anions in the Laboratory and in Space"

10th International HITRAN Conference, Keynote Talk, Cambridge (USA), June 22-24, 2008
"High Resolution Spectroscopy and Astronomical Detection of Molecular Anions"

EPFL Lausanne (Switzerland), Group Seminar Prof. T. Rizzo, April 25, 2008
"The Search for Molecules in Space: From Biomolecules to Carbon Chain Anions"

Fritz-Haber-Institut Berlin (Germany), Group Seminar Prof. G. Meijer, April 15, 2008
"The Search for Molecules in Space: From Biomolecules to Carbon Chain Anions"

Center for Astrophysics, Cambridge (USA), RG Lunchtalk, March 7, 2008
"Where have all the electrons gone? Laboratory and astronomical detection of molecular anions"

University of Freiburg (Germany), Group Seminar AG Weidemüller, December 14, 2007
"Negatively Charged Molecules in Space"

University of Aarhus (Denmark), Physics Colloquium, December 11, 2007
"Negatively Charged Molecules in Space"

University of Fribourg (Switzerland), Chemistry Colloquium, December 7, 2007
"The Laboratory and Astronomical Detection of Molecular Anions"

University of Basel (Switzerland), Physical Chemistry Colloquium, December 5, 2007
" Molecular Anions in the Laboratory and in Space"

29th International Symposium on Free Radicals, Big Sky, Montana (U.S.A.), August 12-17, 2007
"Molecular Anions in the Laboratory and in Space"
Technische Universität Berlin (Germany), Astrophysical Colloquium, April 24, 2003
„Hochauflösende Laborspektroskopie: Die Suche nach neuen interstellaren Molekülen“

Conference Contributions

24. S. Brünken, C.A. Gottlieb, M.C. McCarthy, P. Thaddeus, A. Belloche, K. Menten
"Laboratory and Astronomical Detection of Cyanic Acid, HOCN"
Talk, International Symposium on Molecular Spectroscopy, Columbus, Ohio (U.S.A.), June 15-20, 2008

23. S. Brünken, Z. Yu, C.A. Gottlieb, M.C. McCarthy, P. Thaddeus, A. Belloche, K. Menten
"Laboratory and Tentantive Astronomical Detection of Thiocyanic Acid, HSCN"
Talk, International Symposium on Molecular Spectroscopy, Columbus, Ohio (U.S.A.), June 15-20, 2008

22. S. Brünken, C.A. Gottlieb, H. Gupta, M.C. McCarthy, P. Thaddeus
"The Laboratory and Astronomical Detection of Molecular Anions"
Poster, The Molecular Universe: an International Meeting on Physics and Chemistry of the Interstellar Medium, Arcachon (France), May 5-8, 2008

21. S. Brünken, C.A. Gottlieb, H. Gupta, M.C. McCarthy, P. Thaddeus,
„Rotational Spectra of the Carbon Chain Anions C2nH- (n=1, 2, 4) “,
Talk, International Symposium on Molecular Spectroscopy, Columbus, Ohio (U.S.A.), June 18-22, 2007

20. S. Brünken, H.S.P. Müller, M.C. McCarthy, P. Thaddeus,
„The rotational spectrum of titanium dioxide, TiO2, a candidate for astronomical detection “,
Poster, Molecules in Space and Laboratory , Paris (France), May 14– 18, 2007

19. Z. Yu, S. Brünken, M.C. McCarthy, P. Thaddeus,
„Laboratory detection of a new molecule: thiocyanic acid (HSCN)“,
Poster, 19th International Conference on High Resolution Molecular Spectroscopy, Prague (Czech Republic), August 19 – September 2, 2006

18. S. Brünken, H.S.P. Müller, C.P. Endres, T.F. Giesen, H. Mäder, J.C. Pearson, B.J. Drouin,
„Measurements and Analysis of High Resolution Terahertz Spectra of HDO and D2O“,
Poster, 9 th International HITRAN Conference , Cambridge (U.S.A.), June 26 - 28, 2006

17. S. Brünken, M.C. McCarthy, P. Thaddeus, R.D. Brown, P.D. Godfrey,
„The Rotational Spectra of Nucleobases“,
Talk, Complex Molecules in Space, Present status and prospects with ALMA , Fuglsocentret (Denmark), May 8-11, 2006

16. S. Brünken, H.S.P. Müller, C.P. Endres, T.F. Giesen, H. Mäder, J.C. Pearson, B.J. Drouin,
„Measurements and Analysis of High Resolution Terahertz Spectra of Water“,
Poster, 19. Colloquium High Resolution Molecular Spectroscopy , Salamanca ( Spain ), September 11 – 16, 2005

15. S. Brünken, H.S.P. Müller, C.P. Endres, T.F. Giesen, H. Mäder, J.C. Pearson, B.J. Drouin,
„Measurements and Analysis of High Resolution Terahertz Spectra of Water“,
Poster, IAU Symposium No. 231 , Asilomar (U.S.A.), August 28 – September 2, 2005

14. H.S.P. Müller, S. Brünken, F. Lewen, H. Habara, und G. Winnewisser,
“Accurate Rotational Spectroscopy of O 2 3 S g and 1 ? g and of SO 2 , v 2 = 0, 1, up to 2 THz”,
Poster, 18th International Conference on High Resolution Molecular Spectroscopy, Prague ( Czech Republic ), September 8-12, 2004

13. H. Spahn, F. Lewen, S. Brünken , T. Giesen, G. Winnewisser, und A. Fayt,
“High Resolution Measurement of Pure Rotational and Vibrational Excited States of HC 3 N”,
Poster, 18th International Conference on High Resolution Molecular Spectroscopy, , Prague (Czech Republic), September 8-12, 2004

12. S. Brünken, E.A. Michael, F. Lewen, H.S.P. Müller, T. Giesen, G. Winnewisser und H. Ozeki
" Pure Rotational Transitions of Methylene (CH2) in the Terahertz Region ",
Talk, International Symposium on Molecular Spectroscopy, Columbus, Ohio (U.S.A.), June 21-25, 2004

11. S. Brünken, V. Ahrens, U. Fuchs, S. Thorwirth, F. Lewen, G. Winnewisser, M. Simeckova und Š. Urban,
" Sub-Doppler spectroscopy of hydrogen and deuterium cyanide isotopomers ",
Poster, The Eighteenth Colloquium on High Resolution Molecular Spectroscopy , Dijon (France), September 8-12, 2003

10. S. Brünken, F. Lewen, G. Winnewisser, M. Simeckova, und Š. Urban,
“Doppler-limited Rotational Spectrum of the NH Radical in the 2 THz Region”,
Poster, The Eighteenth Colloquium on High Resolution Molecular Spectroscopy , Dijon (France), September 8-12, 2003

9. S. Brünken, U. Fuchs, F. Lewen, G. Winnewisser und Š. Urban,
" High Resolution Measurements on the Rotational Spectra of Hydrogen Cyanide Isotopomers up to 2 THz ",
Talk, International Symposium on Molecular Spectroscopy , Columbus , Ohio ( U.S.A. ), June 16-20, 2003

8. S. Brünken, U. Fuchs, T. Giesen, F. Lewen, G. Winnewisser und Š. Urban ,
" Sub-Doppler Measurements on the Rotational Transitions of Isotopomers of Hydrogen Cyanide ",
Poster, 17th International Conference on High Resolution Molecular Spectroscopy, Prague (Czech Republic), September 1-5, 2002

7. S. Brünken, F. Lewen, R. Gendriesch, T. Giesen und G. Winnewisser,
"Recent Molecular Highlights at 2 THz – The Cologne Sideband Spectrometer for Terahertz Applications, COSSTA, at Work",
Poster, 17th International Conference on High Resolution Molecular Spectroscopy, , Prague (Czech Republic), September 1-5, 2002

6. K.Godehusen, S.Brünken, B.Kanngießer, P.Zimmermann, und M. Martins,
" Investigation of the 3p-3d resonances of Ti by photoion spectroscopy ",
Poster, ECAMP VII und DPG Frühjahrstagung , Berlin ( Germany ), April 2-6, 2001

5. S. Brünken, K. Godehusen, Ch. Gerth, M. Jainz, W. Malzer, A. Tutay, B. Kanngießer, und P. Zimmermann,
" Gleichzeitige Bestimmung von strahlenden und nichtstrahlenden Zerfallskanälen in der K-Schale von Natrium ",
Poster, DPG Frühjahrstagung , Bonn (Germany), April, 3-7, 2000

4. Ch. Gerth, W. Benten, S. Brünken, K. Godehusen, M. Jainz, B. Kanngießer, P. van Kampen, T. Luhmann, A. Tuta y, und P. Zimmermann,
" Photoelectron-Photoion Coincidence Spectroscopy for the Determination of the K-Shell Fluorescence Yield of Neon ",
Poster, 18th International Conference on X-ray and Inner-Shell Processes, Chicago (U.S.A.), August 23-27, 1999

3. B. Kanngießer, S. Brünken, Ch. Gerth, T. Luhmann, und P. Zimmermann
" Investigation of the Ar 2s -1 and 2p -1 and the Kr 3p -1 and 3d -1 Hole States by Photoelectron-Photoion Coincidence Spectroscopy ",
Poster, 18th International Conference on X-ray and Inner-Shell Processes, Chicago (U.S.A.), August 23-27, 1999

2. S. Brünken, Ch. Gerth, K. Godehusen, B. Kanngiesser, P. Zimmermann und M. Martins,
" Elektronenspektroskopische Untersuchungen zur Lu II 5p -1 5d Multiplettaufspaltung bei atomarem Lu ",
Poster, 63. Physikertagung der DPG , Heidelberg (Deutschland), March 15-19, 1999

1. S. Brünken, Ch. Gerth, B. Kanngiesser, T. Luhmann, und P. Zimmermann,
" Photoelektron-Photoion Koinzidenzspektroskopie zur Untersuchung der Ar 2s -1 und 2p -1 Lochzustände " ,
Poster, 63. Physikertagung der DPG , Heidelberg (Germany), March 15-19, 1999