Sandra Brünken - Publications

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Refereed Journals

2024

• D.B. Rap, J.G.M. Schrauwen, B. Redlich, and S. Brünken
  "Noncovalent Interactions Steer the Formation of Polycyclic Aromatic Hydrocarbons"
  J. Am. Chem. Soc. 146  (2024) 23022-23033. View article (open access).

• D. F. Dinu, M. Oncák, S. Thorwirth, K.R. Liedl, S. Brünken, S. Schlemmer, and P. Jusko
  "Zero-Point Energy Driven Isotopic Exchange of the [H3O-] anion Probed by Mid-Infrared Action Spectroscopy"
  J. Am. Chem. Soc. 146 (2024) 21634-21641. View article (open access).

• D.B. Rap, J.G.M. Schrauwen, B. Redlich, and S. Brünken
  "Ionic Fragmentation Products of Benzonitrile as Important Intermediates in the Growth of Polycyclic Aromatic Hydrocarbons"
  Phys. Chem. Chem. Phys. 26 (2024) 7296-7307. View article (open access). Selected as PCCP HOT article.

• O. Berné, E. Habart, E. Peeters, et al. (PDRs4All Team)
  "A far-ultraviolet-driven photoevaporation flow observed in a protoplanetary disk"
  Science 383 (2024) 988-992. View article or read on ArXive.
  IN THE NEWS: Radiation from massive stars shapes planetary systems

• D. Van De Putte, R. Meshaka, B. Trahin et al.
  "PDRs4All. VIII. Mid-infrared emission line inventory of the Orion Bar"
  A&A 687 (2024) A86. View article (open access) or read on ArXive.

• R. Chown, A. Sidhu, E. Peeters et al.
  "PDRs4All. IV. An embarrassment of riches: The aromatic infrared bands in the Orion Bar"
  A&A 685 (2024) A75. View article (open access) or read on ArXive.

• E. Peeters, E. Habart, O. Berné et al.
  "PDRs4All. III. JWST's NIR spectroscopic view of the Orion Bar"
  A&A 685 (2024) A73. View article (open access) or read on ArXive.

• E. Habart, E. Peeters, O. Berné et al.
  "PDRs4All. II. JWST's NIR and MIR imaging view of the Orion Nebula"
  A&A 685 (2024) A74. View article (open access) or read on ArXive.

• S. Thorwirth, K. Steenbakkers, T. Danowski, P. Schmid, L. Bonah, O. Asvany, S. Brünken, and S. Schlemmer
  "Gas-phase IR action spectroscopy of CH2Cl+ and CH3ClH+, likely protagonists in chlorine astrochemistry"
  Molecules 29 (2024) 665. View article (open acess).

• V. Richardson, D.B. Rap, S. Brünken, and D. Ascenzi
  "Infrared action spectroscopy as tool for probing gas-phase dynamics: Protonated Dimethyl Ether, (CH3)2OH+, formed by the reaction of CH3OH2+ with CH3OH"
  Mol. Phys. 122 (2024) e2223079. View article. Read on ArXive.

• K. Steenbakkers, T.J.H.H van Boxtel, G.C. Groenenboom, O. Asvany, B. Redlich, S. Schlemmer, and S. Brünken
  "Leak-out spectroscopy as alternative method to rare-gas tagging for the Renner-Teller perturbed HCCH+ and DCCD+ ions"
  Phys. Chem. Chem. Phys. 26 (2024) 2692. View article (open access).

2023

• P. B. Changala, N. L. Chen, H. L. Le, B. Gans, K. Steenbakkers, T. Salomon, L. Bonah, I. Schroetter, A. Canin, M.-A. Martin-Drumel, U. Jacovella, E. Dartois, S. Boyé-Péronne, C. Alcaraz, O. Asvany, S. Brünken, S. Thorwirth, S. Schlemmer, J. R. Goicoechea, G. Rouillé, A. Sidhu, R. Chown, D. Van De Putte, B. Trahin, F. Alarcón, O. Berné, E. Habart, and E. Peeters
  "Astronomical CH3+ rovibrational assignments - A combined theoretical and experimental study validating observational findings in the d203-506 UV-irradiated protoplanetary disk"
  A&A 680 (2023) A19. View article (open access)

• D.B. Rap, A. Simon, K. Steenbakkers, J.G.M. Schrauwen, B. Redlich, and S. Brünken
  "Fingerprinting fragments of fragile interstellar molecules: Dissociation chemistry of pyridine and benzonitrile revealed by infrared spectroscopy and theory"
  Faraday Discuss. 245 (2023) 221-244. View article (open access).

• F. Dahlmann, D. Dinu, P. Jusko, C. Lochmann, T. Gstir, A.N. Marimuthu, K.R. Liedl, S. Brünken, and R. Wester
  "Vibrational predissociation spectroscopy of C2N- and C3N-: Bending and stretching vibrations"
  ChemPhysChem 24 (2023) e202300262. View article (open access).

• K. Steenbakkers, A.N. Marimuthu, B. Redlich, G.C. Groenenboom, and S. Brünken
  "A vibrational action spectroscopic study of the Renner-Teller and spin-orbit affected cyanoacetylene radical cation HC3N+"
  J. Chem. Phys  158 (2023) 084305. View article (open access).
  IN THE NEWS: Vibronic coupling in a potential astronomical molecular ion

2022

• S. Banhatti, D.B. Rap, A. Simon, H. Beloucher, G. Wenzel , C. Joblin, B. Redlich, S. Schlemmer, and S. Brünken
  "Formation of the acenaphthylene cation as a common C2H2-loss fragment in dissociative ionization of the PAH isomers anthracene and phenanthrene"
  PCCP 24 (2022) 27434 - 27353. View  article (open access).

• D.B. Rap, J.G.M Schrauwen, A.N. Marimuthu, B. Redlich, and S. Brünken
  "Low-temperature nitrogen-bearing polycyclic aromatic hydrocarbon formation routes validated by infrared spectroscopy"
  Nature Astron. 6 (2022) 1059-1067. View abstract.
  IN THE NEWS: Formation of complex organics in cold regions of space

• A.K. Lemmens, D.B. Rap, S. Brünken, W.J. Buma, and A.M. Rijs 
  "Polycyclic aromatic hydrocarbon growth in a benzene discharge explored by IR-UV action spectroscopy"
  PCCP 24 (2022) 14816-14824. View article (open access)

• D.B. Rap, T.J.H.H. van Boxtel, B. Redlich, and S. Brünken
  "Spectroscopic detection of cyano-cyclopentadiene ions as dissociation products upon ionization of aniline"
  J. Phys. Chem. A 126 (2022) 2989-2997. View article (open access).

• A.N. Marimuthu, K. Steenbakkers, B. Redlich, and S. Brünken
  "The Zeeman effect in CO+ observed with rotational action spectroscopy"
  Mol. Phys. 120 (2022) e2067089 . View article (open access).

• F. Dahlmann, P. Jusko, M. Lara-Moreno, P. Halvick, A.N. Marimuthu, T. Michaelsen, R. Wild, K. Geistlinger, S. Schlemmer, T. Stoecklin, R. Wester, and S. Brünken
  "Predissociation spectroscopy of CN-H2 and CN-D2"
  Mol. Phys. 120 (2022) e2085204. View article (open access).

• K. Giers, S. Spezzano, F. Alves, P. Caselli, E. Redaelli, O. Sipilä, M. Ben Khalifa, L. Wiesenfeld, S. Schlemmer, S. Brünken, L. Bizzocchi
  "Deuteration of c-C3H2 towards the pre-stellar core L1544"
  A&A 664 (2022) 119. View on arXive. View article (open access)

• D. Zeh, M. Bast, J. Martens, G. Berden, J. Oomens, S. Brünken, S. Schlemmer, M. Schäfer, and D. Kuck
  "Unidirectional Double and Triple Hydrogen Rearrangement Reactions Probed by Infrared Ion Spectroscopy"
  J. Am. Soc. Mass Spectrom., 33 (2022) 1377-1392. View abstract. 

• S. Thorwirth, O. Asvany, M.E. Harding, P. Jusko, M.C. McCarthy, S. Brünken, and S. Schlemmer
  "Infrared action spectroscopy of fundamental nitrilium ions: protonated vinyl- and ethyl cyanide"
  J. Mol. Spectrosc.  386 (2022) 111615. View abstract.

• D. Sundelin, A.N. Marimuthu, S. Thorwirth, S. Brünken, W.D. Geppert
  "Spectroscopic characterisation of the isomeric H2NCH+ and H2CNH+ radical cations"
  J. Mol. Spectrosc , 387 (2022) 111640. View abstract.

• G. Wenzel, A. Simon, S. Banhatti, P. Jusko, S. Schlemmer, S. Brünken, and C. Joblin
  "Infrared spectroscopy of the benzylium-like (and tropylium-like) isomers formed in the -H dissociative ionization of methylated PAHs"
  J. Mol. Spectrosc. 385 (2022) 111620. View abstract.

• O. Berné, E. Habart, E. Peeters, et al.
  "PDRs4All: A JWST Early Release science Program on radiative feedback from massive stars"
  PASP 134 (2022) 054301. View on arXiv. View abstract.

2021

• F. Dahlmann, C. Lochmann, A.N. Marimuthu, M. Lara-Moreno, T. Stoecklin, P. Halvick, M. Raoult, O. Dulieu, R. Wild, S. Schlemmer, S. Brünken, and R. Wester
  "Strong orth/para effects in the vibrational spectrum of Cl-(H2)"
  J. Chem. Phys . 155 (2021) 241101. Communication, featured and cover article. View abstract.
  IN THE NEWS: A look inside a molecule

• A.N. Marimuthu, F. Huis in't Veld, S. Thorwirth, B. Redlich, and S. Brünken
  "Infrared predissociation spectroscopy of protonated methyl cyanide, CH3CNH+"
  J. Mol. Spectrosc. 379 (2021) 111477. View article (open access).

• D. Zeh, M. Bast, D.B. Rap, P.C. Schmid, S. Thorwirth, S. Brünken, S. Schlemmer, and M. Schäfer
  "Cryogenic messenger-IR ion spectroscopy study of phenol & aniline molecular ions and of the common fragment ion [C5H6]+ formed by EI-MS"
  J. Mol. Spectrosc. 378 (2021) 111453. View abstract.

• A.M. Jacobs, K.M. Menten, Y. Gong, P. Bergman, M. Tiwari, S. Brünken, and A.O.H. Olofsson
  "Hunting for the elusive methylene radical"
  A&A 647 (2021) A42. View article (open access) or view on astro-ph.

• S. Banhatti, J. Palotás, P. Jusko, B. Redlich, J. Oomens, S. Schlemmer, and S. Brünken
  "Infrared action spectroscopy of doubly charged PAHs and their contribution to the aromatic infrared bands"
  A&A 648 (2021) A61. View article (open access) or view on astro-ph.

2020

• A.N. Marimuthu, D. Sundelin, S. Thorwirth, B. Redlich, W.D. Geppert, and S. Brünken
  "Laboratory gas-phase vibrational spectra of [C3H3]+ isomers and isotopologues by IRPD spectroscopy"
  J. Mol. Spectrosc. 374 (2020) 111377. View article (open access)

• D.B. Rap, A.N. Marimuthu, B. Redlich, and S. Brünken
  "Stable isomeric structures of the pyridine cation (C5H5N+) and protonated pyridine (C5H5NH+) elucidated by cold ion infrared spectroscopy"
  J. Mol. Spectrosc. 373 (2020) 111357. View article (open access).

• B.A. McGuire, O. Asvany, S. Brünken, and S. Schlemmer
  "Laboratory spectroscopy techniques to enable observations of interstellar ion chemistry"
  Nat. Rev. Phys. 2 (2020) 402-410, invited review. View abstract.
  IN THE NEWS: Laboratory spectroscopy techniques to enable observations of interstellar ion chemistry

• S. Panchagnula, J. Bouwman, D.B. Rap, P. Castellanos, A. Candian, C. Mackie, S. Banhatti, S. Brünken, H. Linnartz, A.G.G.M. Tielens
  "Structural investigation of doubly-dehydrogenated pyrene cations"
  PCCP 38 (2020) 21651-21663 (2020 PCCP HOT Article). View article (open access).

• S. Thorwirth, M. E. Harding, O. Asvany, S. Brünken, P. Jusko, K. L. K. Lee, T. Salomon, M. C. McCarthy, and S. Schlemmer
  "Descendant of the X-ogen carrier and a "mass of 69": Infrared action spectroscopic detection of HC3O+ and HC3S+"
  Mol. Phys. 118 (2020), e1776409. View on arXiv , or view abstract .

• C.R. Markus, O. Asvany, T. Salomon, P.C. Schmid, S. Brünken, F. Lipparini, J. Gauss, and S. Schlemmer
  "Vibrational excitation hindering an ion-molecule reaction: The c-C3H2+ + H2 collision complex"
  Phys. Rev. Lett 124 (2020) 233401. View abstract.

• O. Asvany, C. Markus, T. Salomon, P. Schmid, S. Banhatti, S. Brünken, F. Lipparini, J. Gauss ,and S. Schlemmer
  "High-resolution rovibrational spectroscopy of c-C3H2+: The v7 C-H antisymmetric stretching band",
  J. Mol. Struct. 1214 (2020) 128023. View abstract.

2019

• S. Brünken, F. Lipparini, A. Stoffels, P. Jusko, B. Redlich, J. Gauss ,and S. Schlemmer
  "Gas-Phase Vibrational Spectroscopy of the Hydrocarbon Cations l-C3H+, HC3H+ and c-C3H2+: Structures, Isomers, and the Influence of Ne-tagging",
  J. Phys. Chem. A 123 (2019) 8053-8062. View article (open access).

• P. Jusko, S. Brünken, O. Asvany, S. Thorwirth, A. Stoffels, L. van der Meer, G. Berden, B. Redlich, J. Oomens ,and S. Schlemmer
  "The FELion cryogenic ion trap beam line at the FELIX free-electron laser laboratory: Infrared signatures of primary alcohol cations",
  Faraday Discuss. 217 (2019) 172-202. View abstract.

2018

• S. Spieler, D. F. Dinu, P. Jusko, B. Bastian, M. Simpson, M. Podewitz, K. R. Liedl, S. Schlemmer, S. Brünken, and R. Wester
  "Low frequency vibrational anharmonicity and nuclear spin effects of Cl-(H2) and Cl-(D2)",
  J. Chem. Phys. 149 (2018) 174310. View abstract.

• P. Jusko, A. Simon, S. Banhatti, S. Brünken, and C. Joblin
  "Direct Evidence of the Benzylium and Tropylium Cations as the two long-lived Isomers of C7H7+",
  ChemPhysChem Communications 23 (2018) 3182-3185. View abstract or read on astro-ph.

• P. Jusko, A. Simon, G. Wenzel, S. Brünken, S. Schlemmer, and C. Joblin
  "Identification of the fragment of the 1-methylpyrene cation by mid-IR spectroscopy",
  Chem. Phys. Lett. 698 (2018) 206. View abstract or read on astro-ph.

2017

• J. Harju, O. Sipilä, S. Brünken, S. Schlemmer, P. Caselli, M. Juvela, K.M. Menten, J. Stutzki, O. Asvany, T. Kaminski, Y. Okada, R. Higgins
  "Detection of interstellar ortho-D2H+ with SOFIA",
  ApJ 840 (2017) 63. View abstract or read on astro-ph.

• S. Brünken, L. Kluge, A. Stoffels, J. Perez-Rios, and S. Schlemmer
  "Rotational state-dependent attachment of He atoms to cold, molecular ions: An action spectroscopic scheme for rotational spectroscopy",
  JMS 332 (2017) 67-78. View abstract.

• P. Jusko, A. Stoffels, S. Thorwirth, S. Brünken, S. Schlemmer, and O. Asvany
  "High-resolution vibrational and rotational spectroscopy of CD2H+ in a cryogenic ion trap",
  JMS 332 (2017) 59-66. View abstract.

• T. Kaminski, H. S. P. Müller, M.R. Schmidt, I. Cherchneff,K. T. Wong, S. Brünken, K. M. Menten, J. M. Winters, C. A. Gottlieb, and N. A. Patel
  "An observational study of dust nucleation in Mira (o Ceti): II. Titanium oxides are negligible for nucleation at high temperatures",
  A&A 599 (2017) A59. Read on astro-ph or view abstract.

2016

• A. Stoffels, L. Kluge, S. Schlemmer, and S. Brünken
  "Laboratory rotational ground state transitions of NH3D+ and CF+",
  A&A 593 (2016) A56. View abstract or read on astro-ph.

• S. Spezzano, L. Bizzocchi, P. Caselli, J. Harju, and S Brünken
  "Chemical differentiation in a prestellar core traces non-uniform illumination",
  A&AL 592 (2016) L11. View abstract or read on astro-ph.

• B. A. McGuire, M.-A. Martin-Drumel, S. Thorwirth, S. Brünken, V. Lattanzi, J. L. Neill, S. Spezzano, Z. Yu, D. P. Zaleski, A. J. Remijan, B. H. Pate, and M. C. McCarthy
  "Molecular Polymorphism: Microwave Spectra, Equilibrium Structures, and an Astronomical Investigation of the HNCS Isomeric Family",
  PCCP 18 (2016), 22693. View abstract or read on astro-ph.

• T. Kaminski, K. T. Wong, M.R. Schmidt, H. S. P. Müller, C. A. Gottlieb, I. Cherchneff, K. M. Menten, D. Keller, S. Brünken, J. M. Winters, and N. A. Patel
  "An observational study of dust nucleation in Mira (o Ceti): I. Variable features of AlO and other Al-bearing species",
  A&A 592 (2016), A42. View abstract o read on astro-ph.

• S. Spezzano, H. Gupta, S Brünken, C.A. Gottlieb, P. Caselli, K.M. Menten, H.S.P. Müller, L. Bizzocchi, P. Schilke, M.C. McCarthy, and S. Schlemmer
  "A study of the C3H2 isomers and isotopologues: first intersetellar detection of HDCCC",
  A&A 586 (2016), A110. View abstract or read on astro-ph.

2015

• O. Asvany, K.M.T. Yamada, S Brünken, A. Potapov, and S. Schlemmer
  "Experimental ground-state combination differences of CH5+",
  Science 347 (2015), 1346. View abstract.
  IN THE NEWS: THE TAMING OF THE SHREW
  Read also the perspective by T. Oka: Taming CH5+, the "enfant terrible" of chemical structures

2014

• S. Brünken, O. Sipilä, E.T. Chambers, J. Harju, P. Caselli, O. Asvany, C.E. Honingh, T. Kaminski, K.M. Menten, J. Stutzki, and S. Schlemmer
  "H2D+ observations give an age of at least one million years for a cloud core forming Sun-like stars",
  Nature 516 (2014), 219. View abstract.
  IN THE NEWS: ASTROCHEMICAL DATING OF A STELLAR NURSERY

• Editor's Suggestion:
  P. Jusko, O. Asvany, A.-C. Wallerstein, S. Brünken, and S. Schlemmer
  "Two photon rotational action spectroscopy of cold OH- at 1ppb accuracy",
  Phys. Rev. Lett. 112 (2014), 253005. View abstract.

• S. Brünken, L. Kluge, A. Stoffels, O. Asvany and S. Schlemmer
  "Laboratory Rotational Spectrum of l-C3H+ and Confirmation of its Astronomical Detection",
  ApJL 783 (2014), L4. View abstract.

• O. Asvany, S. Brünken, L. Kluge, and S. Schlemmer
  "COLTRAP: a 22-pole ion trapping machine for spectroscopy at 4K",
  Applied Physics B 114 (2014), 203. View abstract.

2013

• S. Spezzano, S. Brünken, H. S. P. Müller, G. Klapper, F. Lewen, K. M. Menten, and S. Schlemmer
  "Accurate High-N Rest Frequencies for CO+, an Ideal Tracer of Photon-Dominated Regions",
  J. Phys. Chem. A 117(39) (2013), 9814. View abstract.

• S. Gärtner, J. Krieg, A. Klemann, O. Asvany, S. Brünken, and S. Schlemmer
  "High-Resolution Spectroscopy of CH2D+ in a Cold 22-Pole Ion Trap",
  J. Phys. Chem. A 117(39) (2013), 9975. View abstract.

• S. Spezzano, S. Brünken, P. Schilke, P. Caselli, K. M. Menten, M. C. McCarthy, L. Bizzocchi, S. P. Trevinõ-Morales, Y. Aikawa, and S. Schlemmer
  "Interstellar Detection of c-C3D2",
  ApJL 769 (2013), L19. View abstract or read on astro-ph.

• T. Kaminski, C. A. Gottlieb, K. M. Menten, N. A. Patel, K. H. Young, S. Brunken, H. S. P. Muller, M. C. McCarthy, J. M. Winters, and L. Decin
  "Pure rotational spectra of TiO and TiO2 in VY Canis Majoris",
  A&A 551 (2013), A113. View abstract or read on astro-ph.
  IN THE NEWS: SUNBLOCK FOR THE BIG DOG

2012

• S. Yu, J.C. Pearson, B.J. Drouin, M.-A. Martin-Drumel, O. Pirali, M. Vervloet, L.H. Coudert, H.S.P. Müller, and S. Brünken
  "Measurement and analysis of new terahertz and far-infrared spectra of high temperature water",
  J. Mol. Spectros. 279 (2012), 16. View abstract.

• L. Kluge, S. Gärtner, S. Brünken, O. Asvany, D. Gerlich, and S. Schlemmer
  "Proton Transfer Between H2 and O2",
  Phil. Trans. R. Soc. A. 370 (2012), 5041. View abstract.

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.
  Press Release

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.
  IN THE NEWS: DETECTION OF C8H- IN SPACE

• 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 abstract.

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 or view paper.

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. View abstract.

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. View abstract.

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. View abstract.

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. View abstract.

Conference Proceedings

• S. Brünken and S. Schlemmer
  "Review: High Resolution Laboratory Spectroscopy",
  Proceedings of the 6th Zermatt ISM symposium 2015, EAS Publication Series, 75-76 (2015), 295-307, view abstract or read on astro-ph.

• T. F. Giesen, S. Brünken, M. Caris, P. Neubauer-Guenther, U. Fuchs, G. W. Fuchs and F. Lewen
  "Terahertz Rotational Spectroscopy",
  Proceedings of the International Astronomical Union (IAU), Symposium S231 (Astrochemistry: Recent Successes and Current Challenges 1 (2005), 87-96, view abstract.