By Dr Christopher Stewart Hansen

Journal articles

Borne KD; Cooper JC; Ashfold MNR; Bachmann J; Bhattacharyya S; Boll R; Bonanomi M; Bosch M; Callegari C; Centurion M; Coreno M; Curchod BFE; Danailov MB; Demidovich A; Di Fraia M; Erk B; Faccialà D; Feifel R; Forbes RJG; Hansen CS; Holland DMP; Ingle RA; Lindh R; Ma L; McGhee HG; Muvva SB; Nunes JPF; Odate A; Pathak S; Plekan O; Prince KC; Rebernik P; Rouzée A; Rudenko A; Simoncig A; Squibb RJ; Venkatachalam AS; Vozzi C; Weber PM; Kirrander A; Rolles D, 2024, 'Ultrafast electronic relaxation pathways of the molecular photoswitch quadricyclane', Nature Chemistry, 16, pp. 499 - 505, http://dx.doi.org/10.1038/s41557-023-01420-w

Figueira Nunes JP; Ibele LM; Pathak S; Attar AR; Bhattacharyya S; Boll R; Borne K; Centurion M; Erk B; Lin MF; Forbes RJG; Goff N; Hansen CS; Hoffmann M; Holland DMP; Ingle RA; Luo D; Muvva SB; Reid AH; Rouzée A; Rudenko A; Saha SK; Shen X; Venkatachalam AS; Wang X; Ware MR; Weathersby SP; Wilkin K; Wolf TJA; Xiong Y; Yang J; Ashfold MNR; Rolles D; Curchod BFE, 2024, 'Monitoring the Evolution of Relative Product Populations at Early Times during a Photochemical Reaction', Journal of the American Chemical Society, 146, pp. 4134 - 4143, http://dx.doi.org/10.1021/jacs.3c13046

Pérez-Peña MP; Fisher JA; Hansen C; Kable SH, 2023, 'Assessing the atmospheric fate of trifluoroacetaldehyde (CF3CHO) and its potential as a new source of fluoroform (HFC-23) using the AtChem2 box model', Environmental Science: Atmospheres, 3, pp. 1767 - 1777, http://dx.doi.org/10.1039/d3ea00120b

Zhao Y; Chen J; Luo Z; Chang Y; Yang J; Zhang W; Wu G; Crane SW; Hansen CS; Ding H; An F; Hu X; Xie D; Ashfold MNR; Yuan K; Yang X, 2023, 'The vibronic state dependent predissociation of H2S: determination of all fragmentation processes', Chemical Science, 14, pp. 2501 - 2517, http://dx.doi.org/10.1039/d2sc06988a

Jacovella U; Giuliani A; Hansen CS; Trevitt AJ; Nahon L; Malloci G; Mulas G, 2023, 'Effect of protonation on the UV/VUV photostability of cyano-substituted anthracene and phenanthrene', Astronomy and Astrophysics, 670, http://dx.doi.org/10.1051/0004-6361/202245715

Campbell JS; Nauta K; Hansen CS; Kable SH, 2022, 'POPTARTS: A New Method to Determine Quantum Yields in a Molecular Beam', Journal of Physical Chemistry A, 126, pp. 9268 - 9275, http://dx.doi.org/10.1021/acs.jpca.2c06289

Hansen CS; Peeters E; Cami J; Schmidt TW, 2022, 'Open questions on carbon-based molecules in space', Communications Chemistry, 5, http://dx.doi.org/10.1038/s42004-022-00714-3

Jacovella U; Hansen CS; Giuliani A; Trevitt AJ; Nahon L, 2022, 'UV/VUV photoprocessing of protonated N-hetero(poly)acenes', Monthly Notices of the Royal Astronomical Society, 511, pp. 5656 - 5660, http://dx.doi.org/10.1093/mnras/stac496

Jacovella U; Noble JA; Guliani A; Hansen CS; Trevitt AJ; Mouzay J; Couturier-Tamburelli I; Pietri N; Nahon L, 2022, 'Ultraviolet and vacuum ultraviolet photo-processing of protonated benzonitrile (C6H5CNH⁺): A plausible pathway to larger interstellar aromatics', Astronomy and Astrophysics, 657, http://dx.doi.org/10.1051/0004-6361/202142206

Borsovszky J; Nauta K; Jiang J; Hansen CS; McKemmish LK; Field RW; Stanton JF; Kable SH; Schmidt TW, 2021, 'Photodissociation of dicarbon: How nature breaks an unusual multiple bond', Proceedings of the National Academy of Sciences of the United States of America, 118, http://dx.doi.org/10.1073/pnas.2113315118

Zhao Y; Luo Z; Chang Y; Wu Y; Zhang SE; Li Z; Ding H; Wu G; Campbell JS; Hansen CS; Crane SW; Western CM; Ashfold MNR; Yuan K; Yang X, 2021, 'Rotational and nuclear-spin level dependent photodissociation dynamics of H2S', Nature Communications, 12, http://dx.doi.org/10.1038/s41467-021-24782-6

Campbell JS; Nauta K; Kable SH; Hansen CS, 2021, 'Photodissociation dynamics of CF3CHO: C-C bond cleavage', Journal of Chemical Physics, 155, http://dx.doi.org/10.1063/5.0073974

Crane SW; Ge L; Cooper GA; Carwithen BP; Bain M; Smith JA; Hansen CS; Ashfold MNR, 2021, 'Nonadiabatic Coupling Effects in the 800 nm Strong-Field Ionization-Induced Coulomb Explosion of Methyl Iodide Revealed by Multimass Velocity Map Imaging andAb InitioSimulation Studies', Journal of Physical Chemistry A, 125, pp. 9594 - 9608, http://dx.doi.org/10.1021/acs.jpca.1c06346

Hansen C; Campbell J; Kable S, 2021, 'Photodissociation of CF3CHO provides a new source of CHF3 (HFC-23) in the atmosphere: implications for new refrigerants.', , http://dx.doi.org/10.21203/rs.3.rs-199769/v1

Hansen CS; Marchetti B; Karsili TNV; Ashfold MNR, 2021, 'Ultraviolet photodissociation of gas-phase transition metal complexes: dicarbonylcyclopentadienyliodoiron(II)', Molecular Physics, 119, http://dx.doi.org/10.1080/00268976.2020.1813343

Zhou J; Zhao Y; Hansen CS; Yang J; Chang Y; Yu Y; Cheng G; Chen Z; He Z; Yu S; Ding H; Zhang W; Wu G; Dai D; Western CM; Ashfold MNR; Yuan K; Yang X, 2020, 'Ultraviolet photolysis of H2S and its implications for SH radical production in the interstellar medium', Nature Communications, 11, pp. 1547, http://dx.doi.org/10.1038/s41467-020-15343-4

Pathak S; Ibele LM; Boll R; Callegari C; Demidovich A; Erk B; Feifel R; Forbes R; Di Fraia M; Giannessi L; Hansen CS; Holland DMP; Ingle RA; Mason R; Plekan O; Prince KC; Rouzée A; Squibb RJ; Tross J; Ashfold MNR; Curchod BFE; Rolles D, 2020, 'Tracking the ultraviolet-induced photochemistry of thiophenone during and after ultrafast ring opening', Nature Chemistry, 12, pp. 795 - 800, http://dx.doi.org/10.1038/s41557-020-0507-3

Chang Y; Yang J; Chen Z; Zhang Z; Yu Y; Li Q; He Z; Zhang W; Wu G; Ingle RA; Bain M; Ashfold MNR; Yuan K; Yang X; Hansen CS, 2020, 'Ultraviolet photochemistry of ethane: implications for the atmospheric chemistry of the gas giants', Chemical Science, 11, pp. 5089 - 5097, http://dx.doi.org/10.1039/d0sc01746a

, 2019, 'Quantifying rival bond fission probabilities following photoexcitation: C-S bond fission in t-butylmethylsulfide', Chemical Science, 10, pp. 5290 - 5298, http://dx.doi.org/10.1039/c9sc00738e

Cooper GA; Hansen CS; Karsili TNV; Ashfold MNR, 2018, 'Photofragment Translational Spectroscopy Studies of H Atom Loss Following Ultraviolet Photoexcitation of Methimazole in the Gas Phase', Journal of Physical Chemistry A, 122, pp. 9869 - 9878, http://dx.doi.org/10.1021/acs.jpca.8b09859

Bain M; Hansen CS; Ashfold MNR, 2018, 'Communication: Multi-mass velocity map imaging study of the ultraviolet photodissociation of dimethyl sulfide using single photon ionization and a PImMS2 sensor', Journal of Chemical Physics, 149, http://dx.doi.org/10.1063/1.5048838

Ashfold MNR; Bain M; Hansen CS; Ingle RA; Karsili TNV; Marchetti B; Murdock D, 2017, 'Exploring the Dynamics of the Photoinduced Ring-Opening of Heterocyclic Molecules', Journal of Physical Chemistry Letters, 8, pp. 3440 - 3451, http://dx.doi.org/10.1021/acs.jpclett.7b01219

Marchetti B; Karsili TNV; Cipriani M; Hansen CS; Ashfold MNR, 2017, 'The near ultraviolet photodissociation dynamics of 2- and 3-substituted thiophenols: Geometric vs. electronic structure effects', Journal of Chemical Physics, 147, http://dx.doi.org/10.1063/1.4980035

Ingle RA; Hansen CS; Elsdon E; Bain M; King SJ; Lee JWL; Brouard M; Vallance C; Turchetta R; Ashfold MNR, 2017, 'Ultraviolet photochemistry of 2-bromothiophene explored using universal ionization detection and multi-mass velocity-map imaging with a PImMS2 sensor', Journal of Chemical Physics, 147, http://dx.doi.org/10.1063/1.4979559

Coughlan NJA; Scholz MS; Hansen CS; Trevitt AJ; Adamson BD; Bieske EJ, 2016, 'Photo and Collision Induced Isomerization of a Cyclic Retinal Derivative: An Ion Mobility Study', Journal of the American Society for Mass Spectrometry, 27, pp. 1483 - 1490, http://dx.doi.org/10.1007/s13361-016-1427-8

Poad BLJ; Reed ND; Hansen CS; Trevitt AJ; Blanksby SJ; Mackay EG; Sherburn MS; Chan B; Radom L, 2016, 'Preparation of an ion with the highest calculated proton affinity:: Ortho -diethynylbenzene dianion', Chemical Science, 7, pp. 6245 - 6250, http://dx.doi.org/10.1039/c6sc01726f

Hansen CS; Blanksby SJ; Trevitt AJ, 2015, 'Ultraviolet photodissociation action spectroscopy of gas-phase protonated quinoline and isoquinoline cations', Physical Chemistry Chemical Physics, 17, pp. 25882 - 25890, http://dx.doi.org/10.1039/c5cp02035b

Hansen CS; Blanksby SJ; Chalyavi N; Bieske EJ; Reimers JR; Trevitt AJ, 2015, 'Ultraviolet photodissociation action spectroscopy of the N-pyridinium cation', Journal of Chemical Physics, 142, http://dx.doi.org/10.1063/1.4904267

Marshall DL; Hansen CS; Trevitt AJ; Oh HB; Blanksby SJ, 2014, 'Photodissociation of TEMPO-modified peptides: New approaches to radical-directed dissociation of biomolecules', Physical Chemistry Chemical Physics, 16, pp. 4871 - 4879, http://dx.doi.org/10.1039/c3cp54825b

Hansen CS; Kirk BB; Blanksby SJ; Trevitt AJ, 2013, 'Ultraviolet photodissociation of the N -methylpyridinium ion: Action spectroscopy and product characterization', Journal of Physical Chemistry A, 117, pp. 10839 - 10846, http://dx.doi.org/10.1021/jp4075515

Maccarone AT; Kirk BB; Hansen CS; Griffiths TM; Olsen S; Trevitt AJ; Blanksby SJ, 2013, 'Direct observation of photodissociation products from phenylperoxyl radicals isolated in the gas phase', Journal of the American Chemical Society, 135, pp. 9010 - 9014, http://dx.doi.org/10.1021/ja402610s

Hansen CS; Kirk BB; Blanksby SJ; O'Hair RAJ; Trevitt AJ, 2013, 'UV photodissociation action spectroscopy of haloanilinium ions in a linear quadrupole ion trap mass spectrometer', Journal of the American Society for Mass Spectrometry, 24, pp. 932 - 940, http://dx.doi.org/10.1007/s13361-013-0615-z

Conference Papers

Hansen C; Trevitt A; Reimers J; Bieske E; Blanksby S, 2014, 'ULTRAVIOLET PHOTODISSOCIATION ACTION SPECTROSCOPY OF PROTONATED AZABENZENES', in Proceedings of the 69th International Symposium on Molecular Spectroscopy, University of Illinois at Urbana-Champaign, pp. 1 - 1, presented at 69th International Symposium on Molecular Spectroscopy, http://dx.doi.org/10.15278/isms.2014.wg05

Preprints

Pathak S; Ibele LM; Boll R; Callegari C; Demidovich A; Erk B; Feifel R; Forbes R; Di Fraia M; Giannessi L; Hansen CS; Holland DMP; Ingle RA; Mason R; Plekan O; Prince KC; Rouzée A; Squibb RJ; Tross J; Ashfold MNR; Curchod BFE; Rolles D, 2019, Tracking the Ultraviolet Photochemistry of Thiophenone During and Beyond the Initial Ultrafast Ring Opening, http://dx.doi.org/10.48550/arxiv.1912.00531

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