Publications

More details are available on ORCID and my UEA profile.

2026

[101] P. Chakraborty, J. N. Bull, S. R. Meech, and G. A. Jones, Anti-Kasha emission in DCM-IFC: Computational evaluation of the Type III separated wave function hypothesis, submitted.

[100] G. Bressan, D. Hartmann, J. Brouwer, J. N. Bull and T. A. Barendt. Conformational Switching Modulates Excited-State Pathways in a Cofacial Perylene Dimer. Chem. Sci. Accepted (2026).

[99] G. Bressan, K. M. Siddiqui, E. K. Ashworth, P. Chakraborty, D. Banerjee, E. M. Braun, S. R. Meech and J. N. Bull. Photomolecular rotor dynamics of the oxindole-based photoprotective bacterial pigment violacein. Phys. Chem. Chem. Phys. 28, 1260 (2026).

[98] E. K. Ashworth and J. N Bull. Hydroxycinnamate anions: The evolution of gas-phase action spectroscopy to study photoisomerisable molecules. Int. Rev. Phys. Chem. 43, 69 (2026).

[97] A. Subramani, J. Flotte de Pouzols, P. Martini, J. E. Navarro Navarrete, E. K. Ashworth, J. N. Bull, G. A. Garcia, L. Nahon, B. Gans, U. Jacovella, C. Rossi, H. Cederquist, H. T. Schmidt, H. Zettergren & M. H. Stockett. Dissociation and cooling dynamics of 2-cyanoindene monocations: Survival of small PAHs in harsh interstellar radiation fields. Astrophys. J. 997, 49 (2026).

2025

[96] A. Subramani, J. N. Bull, H. Cederquist, P. Martini, H. T. Schmidt, H. Zettergren, and M. H. Stockett. Recurrent fluorescence of polycyclic aromatic hydrocarbon isomers: a comparative study. ACS Earth Space Chem. 9, 2866 (2025).

[95] J. N. Bull, M. H. Stockett, P. Chakraborty, E. K. Ashworth, A. Fatima, V. J. Esposito, G. M. Greetham, P. Malakar, and S. R. Meech. Hot Ground State Cooling Following Ultrafast Photoisomerization: Time-Resolved Infrared Spectroscopy. J. Phys. Chem. B 129, 13267 (2025).

[94] K. Hansen, D. A. García-Hernández, E. E. B. Campbell, D. Erbahar, A. Domaracka, C. Jäger, C. Ewels, P. Umek, S. Kwok, E. Peeters, J. Cami, G. C. Sloan, P. Ehrenfreund, H. Linnartz, A. Manchado, N. L. J. Cox, J. Bernard-Salas, E. K. Campbell, A. Monreal-Ibero, B. H. Foing, J. Smoker, M. Elyajouri, A. Ebenbichler, J. Th. van Loon, J. Bouwman, A. Farhang, F. Salama, C. Joblin, G. Mulas, U. Jacovella, M. A. Gómez-Muñoz, R. Barzaga, T. Huertas-Roldán, H. Mohan, M. Bartkowski, S. Giordani, G.-L. Hou, J. J. Díaz-Luis, J. Alcolea, D. Tafoya, V. Bujarrabal, N. Došlić, T. Došlić, E. Catalano, M. Yesiltas, P. Ferrari, S. Brünken, G. Berden, J. M. Bakker, J. Oomens, B. Redlich, A. Pitanti, B. Bertoni, L. Vicarelli, P. Lamberti, M. Cojocari, G. Fedorov, Yu. Svirko, P. Kuzhir, M. Hochlaf, M. Mogren Al Mogren, A. Potapov, E. Gezer, H. Zettergren, H. T. Schmidt, M. H. Stockett, E. K. Ashworth, J. N. Bull, M. Fárník, T. Wakabayashi, L. Ganner, M. Kappe, E. Gruber, C. Pardanaud, J. Dezalay, J. A. Noble, K. Tőkési, Z. Li, X. H. Zhou, J. M. Gong, R. G. Zeng, Z. J. Ding, C. S.-C. Yang, F. Jin, S. Trivedi, U. Hommerich, L. Nemes, A. C. Samuels, G. Shmavonyan, L. Misakyan, A. Shmavonyan, I. Sciriha, S. Suriyaprasanth, D. Gupta, D. A. Kalchevski, D. Trifonov, S. Kolev, T. Milenov, M. A. Caro, S. Sadjadi, Q. A. Parker, A. Lombardi, M. McCoustra, F. Koch, I. Schubert, C. Trautmann, M. E. Toimil-Molares, B. Kerkeni, D. Talbi, C. P. Hsu, G. Ouerfelli, H. H. Chuang, K.-J. Chuang, Y.-J. Chen, E. Villaver & M. Manteiga. Roadmap on carbon molecular nanostructures in space. Eur. Phys. J. D 74, 94 (2025).

[93] J. Dezalay, E. K. Ashworth, J. E. Fulker, M. H. Stockett, J. A. Noble & J. N. Bull. Cryogenic Action Spectroscopy of the Cyan Fluorescent Protein Chromophore Anion. Phys. Chem. Chem. Phys. 27, 16738 (2025).

[92] J. N. Bull, A. Subramani, C. Liu, S. J. P. Marlton, E. K. Ashworth, H. Cederquist, H. Zettergren & M. H. Stockett. Radiative stabilization of the indenyl cation: Recurrent fluorescence in a closed‑shell polycyclic aromatic hydrocarbon. Phys. Rev. Lett. 134, 228002 (2025). Press release in Physics Magazine - How organic molecules survive in space

[91] M. H. Stockett, A. Subramani, C. Liu, S. J. P. Marlton, E. K. Ashworth, H. Cederquist, H. Zettergren & J. N. Bull. Dissociation and radiative stabilization of the indene cation: The nature of the C–H bond and astrochemical implications. J. Chem. Phys. 162, 184306 (2025).

[90] S. R. Meech, J. N. Bull & G. Bressan. Two‑dimensional electronic spectroscopy of Betaine‑30. J. Chem. Phys. 162, 184302 (2025).

[89] J. Flotte de Pouzols, A. Subramani, E. K. Ashworth, J. N. Bull, H. Cederquist, J. Dezalay, N. H. List, P. Martini, J. E. N. Navarrete, H. T. Schmidt, H. Zettergren, B. Zhu & M. H. Stockett. Radiative cooling of the deprotonated cyan fluorescent protein chromophore anion. Phys. Rev. A 111, 043112 (2025).

[88] A. Fatima, E. K. Ashworth, I. Fernandes, A. N. Cammidge, G. Bressan, S. R. Meech & J. N. Bull. Ultrafast photophysics of the cyan fluorescent protein chromophore in solution. Phys. Chem. Chem. Phys. 27, 9407–9416 (2025).

[87] M. H. Stockett, V. J. Esposito, E. K. Ashworth, U. Jacovella & J. N. Bull. Infrared cooling in an anharmonic cascade framework: 2‑cyanoindene, the smallest cyano‑PAH identified in Taurus Molecular Cloud‑1. ACS Earth Space Chem. 9, 382–393 (2025).

[86] T. E. Douglas‑Walker, E. K. Ashworth, M. H. Stockett, F. C. Daly, I. Chambrier, V. J. Esposito, M. Gerlach, A. Zheng, J. Palotás, A. N. Cammidge, E. K. Campbell, S. Brünken & J. N. Bull. Vibrational and electronic spectroscopy of 2-cyanoindene cations. ACS Earth Space Chem. 9, 134–145 (2025).

2024

[85] E. K. Ashworth & J. N. Bull. Photoelectron spectroscopy of deprotonated benzonitrile. J. Chem. Phys. 161, 114302 (2024).

[84] E. K. Ashworth, S. H. Ashworth & J. N. Bull. Spectroscopy and dynamics of isolated anions: Versatile instrumentation for photodetachment and photoelectron spectroscopy. Rev. Sci. Instrum. 95, 075103 (2024).

[83] A. Fatima, E. K. Ashworth, G. Bressan, P. C. Bulman Page, J. N. Bull & S. R. Meech. Substituent effects on the photophysics of the kaede chromophore. Phys. Chem. Chem. Phys. 26, 29048 (2024).

2023

[82] E. K. Ashworth, M.–H. Kao, C. S. Anstöter, G. Riescollach, L. Blancafort, K. M. Solntsev, S. R. Meech, J. R. R. Verlet & J. N. Bull. Alkylated green fluorescent protein chromophores: Dynamics in the gas phase and in aqueous solution. Phys. Chem. Chem. Phys. 25, 23626 (2023).

[81] J. N. Bull, P. Bolognesi, C. S. Anstöter, E. K. Ashworth, J. E. Navarro Navarrete, B. Zhu, R. Richter, N. Pal, J. Chiarinelli, L. Avaldi, H. Zettergren & M. H. Stockett. Autoionization from the plasmon resonance in isolated 1‑cyanonaphthalene. J. Chem. Phys. 158, 241101 (2023).

[80] J. E. Navarro Navarrete, J. N. Bull, H. Cederquist, S. Indrajith, M. Ji, H. Schmidt, H. Zettergren, B. Zhu & M. H. Stockett. Experimental radiative cooling rates of a polycyclic aromatic hydrocarbon cation. Faraday Discuss. 245, 352–367 (2023).

[79] M. H. Stockett, J. N. Bull, H. Cederquist, S. Indrajith, M. Ji, J. E. Navarro Navarrete, H. T. Schmidt, H. Zettergren & B. Zhu. Efficient stabilization of cyanonaphthalene by fast radiative cooling and implications for the resilience of small PAHs in interstellar clouds. Nature Communications 14, 395 (2023).

[78] K. Addison, P. Roy, G. Bressan, K. Škudaitė, Josh Robb, P. C. Bulman Page, E. K. Ashworth, J. N. Bull & S. R. Meech. Photophysics of the red‑form Kaede chromophore. Chem. Sci. 14, 3763 (2023).

[77] E. K. Ashworth, J. Dezalay, C. Ryan, C. Ieritano, S. Hopkins, I. Chambrier, A. N. Cammidge, M. H. Stockett, J. A. Noble & J. N. Bull. Protomers of the green and cyan fluorescent protein chromophores investigated using action spectroscopy. Phys. Chem. Chem. Phys. 25, 20405–20413 (2023).

[76] J. W. L. Lee, M. H. Stockett, E. K. Ashworth, J. E. Navarro Navarrete, E. Gougoula, D. Garg, M. Ji, B. Zhu, S. Indrajith, H. Zettergren, H. T. Schmidt & J. N. Bull. Cooling dynamics of energized naphthalene and azulene radical cations. J. Chem. Phys. 158, 174305 (2023).

[75] S. J. P. Marlton, J. T. Buntine, P. Watkins, C. Liu, U. Jacovella, E. Carrascosa, J. N. Bull & E. J. Bieske. Probing colossal carbon rings. J. Phys. Chem. A 127, 1168 (2023).

2022

[74] B. Zhu, J. N. Bull, M. Ji, H. Zettergren & M. H. Stockett. Radiative cooling rates of substituted PAH ions. J. Chem. Phys. 157, 044303 (2022).

[73] M. H. Stockett, J. N. Bull, H. Schmidt & H. Zettergren. Statistical vibrational autodetachment and radiative cooling rates of para‑benzoquinone. Phys. Chem. Chem. Phys. 24, 12002–12010 (2022).

[72] E. K. Ashworth, J. Langeland, M. H. Stockett, T. Toft Lindkvist, C. Kjær, J. N. Bull & S. Brøndsted Nielsen. Cryogenic fluorescence spectroscopy of ionic fluorones in gaseous and condensed phases: New light on their intrinsic photophysics. J. Phys. Chem. A 126, 9553 (2022).

[71] S. J. P. Marlton, J. T. Buntine, C. Liu, P. Watkins, U. Jacovella, E. Carrascosa, J. N. Bull & E. J. Bieske. Disentangling electronic spectra of linear and cyclic hydrogenated carbon cluster cations, C₂ₙ₊₁H⁺ (n = 3–10). J. Phys. Chem. A 126, 6678 (2022).

[70] J. T. Buntine, E. Carrascosa, J. N. Bull, G. Muller, U. Jacovella, C. R. Glasson, G. Vamvounis & E. J. Bieske. Photo‑induced 6π‑electrocyclisation and cycloreversion of isolated dithienylethene anions. Phys. Chem. Chem. Phys. 24, 16628 (2022).

[69] E. K. Ashworth, N. J. A. Coughlan, W. Scott Hopkins, E. J. Bieske & J. N. Bull. Excited‑state barrier controls E → Z photoisomerization in p‑hydroxycinnamate biochromophores. J. Phys. Chem. Lett. 13, 9028 (2022).

[68] J. T. Buntine, E. Carrascosa, J. N. Bull, U. Jacovella, M. I. Cotter, C. Liu, P. Watkins, M. S. Scholz, B. D. Adamson, S. J. P. Marlton & E. J. Bieske. An ion mobility mass spectrometer coupled with a cryogenic ion trap for recording electronic spectra of charged, isomer‑selected clusters. Rev. Sci. Instrum. 93, 043201 (2022).

[67] E. K. Ashworth, M. H. Stockett, C. Kjær, P. C. Bulman Page, S. R. Meech, S. Brøndsted Nielsen & J. N. Bull. Complexation of green and red kaede fluorescent protein chromophores by a zwitterion to probe electrostatic and induction field effects. J. Phys. Chem. A 126, 1158–1167 (2022).

2021

[66] J. N. Bull, C. S. Anstöter, M. H. Stockett, C. J. Clarke, J. A. Gibbard, E. J. Bieske & J. R. R. Verlet. Nonadiabatic dynamics between valence, nonvalence, and continuum electronic states in a heteropolycyclic aromatic hydrocarbon. J. Phys. Chem. Lett. 12, 11811–11816 (2021).

[65] E. Carrascosa, J. N. Bull, E. Martínez‑Núñez, M. S. Scholz, J. T. Buntine & E. J. Bieske. Photoisomerization of linear and stacked isomers of a charged styryl dye – a tandem ion mobility study. J. Am. Soc. Mass Spectrom. 32, 2842 (2021).

[64] N. J. A. Coughlan, M. H. Stockett, C. Kjær, E. K. Ashworth, P. C. Bulman Page, S. R. Meech, S. Brøndsted Nielsen, L. Blancafort, W. S. Hopkins & J. N. Bull. Action spectroscopy of the isolated red kaede fluorescent protein chromophore. J. Chem. Phys. 155, 124304 (2021).

[63] L. Giacomozzi, C. Kjær, S. Brøndsted Nielsen, E. K. Ashworth, J. N. Bull & M. H. Stockett. Non‑statistical fragmentation in photo‑activated flavin mononucleotide anions. J. Chem. Phys. 155, 044305 (2021).

[62] M. H. Stockett, L. Avaldi, P. Bolognesi, J. N. Bull, L. Carlini, E. Carrascosa, J. Chiarinelli, R. Richter & H. Zettergren. Competitive dehydrogenation and backbone fragmentation of super‑hydrogenated PAHs: A laboratory study. Astrophys. J. 913, 46 (2021).

[61] J. N. Bull, J. T. Buntine, E. Carrascosa, M. H. Stockett & E. J. Bieske. Action spectroscopy of deprotomer‑selected hydroxycinnamate anions. Eur. Phys. J. D. 75, 67 (2021).

[60] H. Zettergren, A. Domaracka, T. Schlathölter, P. Bolognesi, S. Díaz-Tendero, M. Łabuda, S. Tosic, S. Maclot, P. Johnsson, A. Steber, D. Tikhonov, M. C. Castrovilli, L. Avaldi, S. Bari, A. R. Milosavljevic, A. Palacios, S. Faraji, D. G. Piekarski, P. Rousseau, D. Ascenzi, C. Romanzin, E. Erdmann, M. Alcamí, J. Kopyra, P. Limão-Vieira, J. Kocišek, J. Fedor, S. Albertini, M. Gatchell, H. Cederquist, H. T. Schmidt, E. Gruber, L. H. Andersen, O. Heber, Y. Toker, K. Hansen, J. A. Noble, C. Jouvet, C. Kjær, S. Brøndsted Nielsen, E. Carrascosa, J. Bull, A. Candian & A. Petrignani. Action spectroscopy of isomer-selected molecules, in Roadmap on Molecular Dynamics in the Gas Phase. Eur. Phys. J. D. 75, 152 (2021).

[59] E. K. Ashworth, C. S. Anstöter, J. R. R. Verlet & J. N. Bull. Autodetachment dynamics of the 2-naphthoxide anion and implications for astrophysical anion abundance. Phys. Chem. Chem. Phys. 23, 5187 (2021).

[58] C. Kjær, J. N. Bull, E. Carrascosa, S. Brøndsted Nielsen & E. J. Bieske. Action spectroscopy of isomer-selected luciferin anions. Eur. Phys. J. D. 75, 72 (2021).

2020

[57] M. H. Stockett, C. Kjær, S. Daly, E. J. Bieske, J. R. R. Verlet, S. Brøndsted Nielsen & J. N. Bull. Photophysics of isolated rose bengal anions. J. Phys. Chem. A 124, 8429–8438 (2020).

[56] M. H. Stockett, J. N. Bull, J. T. Buntine, E. Carrascosa, E. K. Anderson, M. Gatchell, M. Kaminska, R. F. Nascimento, H. Cederquist, H. T. Schmidt & H. Zettergren. Radiative cooling of carbon cluster anions C_2n+1⁻ (n = 3 - 5). Eur. Phys. J. D. 74, 150 (2020).

[55] M. H. Stockett, J. N. Bull, J. T. Buntine, E. Carrascosa, M. Ji, N. Kono, H. T. Schmidt & H. Zettergren. Unimolecular fragmentation and radiative cooling of isolated PAH ions: A quantitative study. J. Chem. Phys. 153, 154303 (2020).

[54] J. N. Bull, C. S. Anstöter & J. R. R. Verlet. Fingerprinting the Excited State Dynamics in Methyl Ester and Methyl Ether Anions of Deprotonated para-Coumaric Acid. J. Phys. Chem. A 124, 2140 (2020).

[53] J. R. R. Verlet, C. S. Anstöter, J. N. Bull & J. P. Rogers. Role of non-valence states in the ultrafast dynamics of isolated anions. J. Phys. Chem. A 124, 3507 (2020) – Editor’s choice.

[52] J. Gregory, J. R. R. Verlet & J. N. Bull. Spectroscopic characterisation of polyinterhalogen molecules. Phys. Chem. Chem. Phys. 22, 8284 (2020) – Selected as a HOT article.

[51] E. Carrascosa, C. Petermayer, M. Scholz, J. N. Bull, H. Dube & E. J. Bieske. Reversible Photoswitching of Isolated Ionic Hemiindigos with Visible Light. ChemPhysChem 21, 680 (2020).

[50] E. Carrascosa, J. N. Bull, J. T. Buntine, G. da Silva, P. F. Santos & E. J. Bieske. Near-Infrared Reversible Photoswitching of an Isolated Azobenzene-Stilbene Dye. Chem. Phys. Lett. 741, 137065 (2020).

2019

[49] J. N. Bull, C. Anstöter & J. R. R. Verlet. Ultrafast valence to non-valence excited state dynamics in a common anionic chromophore. Nat. Commun. 10, 5820 (2019) – Editor’s choice article.

[48] J. N. Bull, M. S. Scholz, E. Carrascosa, M. K. Kristiansson, G. Eklund, N. Punnakayathil, N. de Ruette, H. Zettergren, H. T. Schmidt, H. Cederquist & M. H. Stockett. Ultraslow radiative cooling of C_n⁻ (n = 3 − 5). J. Chem. Phys. 151, 114304 (2019).

[47] J. N. Bull, C. W. West, C. S. Anstöter, G. da Silva, E. J. Bieske & J. R. R. Verlet. Ultrafast photoisomerisation dynamics of an isolated retinoid. Phys. Chem. Chem. Phys. 21, 10567 (2019).

[46] J. N. Bull, G. da Silva, M. S. Scholz, E. Carrascosa & E. J. Bieske. Photoinduced Intramolecular Proton Transfer in Deprotonated para-Coumaric Acid. J. Phys. Chem. A 123, 4419 (2019).

[45] J. R. Rogers, C. S. Anstöter, J. N. Bull & J. R. R. Verlet. Photoelectron Spectroscopy of the Hexafluorobenzene Cluster Anions: (C₆F₆)_n⁻ (n = 1 – 5) and I⁻(C₆F₆). J. Phys. Chem. A 123, 1602 (2019).

[44] C. Dessent, M. Johnson, B. Gerber, R. Wester, K. Asmis, I. Avdonin, E. Bieske, M. Gatchell, J. Bull, P. Sarre, M.-P. Gaigeot, C.-w. Chou, R. Mabbs, K. Jordan, M. K. Beyer, L. McCaslin, A. Krylov, S. Schlemmer, A. B. McCoy, J. Verlet, Z. Meir, J. Simons, V. Gabelica & S. Willitsch. Exotic systems: general discussion. Faraday Discuss. 217, 601 (2019).

[43] J. N. Bull, J. T. Buntine, M. S. Scholz, E. Carrascosa, M. H. Stockett & E. J. Bieske. Photodetachment and Photoreactions of Substituted Naphthalene Anions in a Tandem Ion Mobility Spectrometer. Faraday Discuss. 217, 34 (2019).

Pre-UEA:

[42] J. N. Bull, E. Carrascosa, L. Giacomozzi, E. J. Bieske, M. H. Stockett, Phys. Chem. Chem. Phys. 20, 19672 (2018).
Ion mobility action spectroscopy of flavin dianions reveals deprotomer-dependent photochemistry
[41] J. N. Bull, M. S. Scholz, E. Carrascosa, G. da Silva, E. J. Bieske, Phys. Rev. Lett. 120, 223002 (2018).
Double molecular photoswitch driven by light and collisions
[40] E. Carrascosa, J. N. Bull, M. S. Scholz, N. J. A. Coughlan, S. Olsen, U. Wille, E. J. Bieske, J. Phys. Chem. Lett. 9, 2647 (2018).
Reversible photoisomerization of the isolated green fluorescent protein chromophore
[39] M. S. Scholz, J. N. Bull, E. Carrascosa, B. D. Adamson, G. K. Kosgei, J. J. Rack, E. J. Bieske, Inorg. Chem. 57, 5701 (2018).
Linkage photoisomerization of an isolated ruthenium sulfoxide complex: Sequential versus concerted rearrangement
[38] B. L. J. Poad, A. T. Maccarone, H. Yu, T. W. Mitchell, E. M. Saied, C. Arenz, T. Hornemann, J. N. Bull, E. J. Bieske, S. J. Blanksby, Anal. Chem. 90, 5343 (2018).
Differential-mobility spectrometry of 1-deoxysphingosine isomers: New insights into the gas phase structures of ionized lipids
[37] J. N. Bull, E. Carrascosa, N. Mallo, M. S. Scholz, G. da Silva, J. E. Beves, E. J. Bieske, J. Phys. Chem. Lett. 9, 665 (2018).
Photoswitching an isolated donor-acceptor Stenhouse adduct
[36] J. N. Bull, M. S. Scholz, E. Carrascosa, E. J. Bieske, Phys. Chem. Chem. Phys. 20, 509 (2017).
From E to Z and back again: Reversible photoisomerisation of a charge-tagged azobenzene
[35] J. N. Bull, J. W. L. Lee, Claire Vallance, Phys. Rev. A 96, 042704 (2017).
Electron-impact-ionization dynamics of SF6
[34] J. N. Bull, J. R. R. Verlet, Phys. Chem. Chem. Phys. 19, 25689 (2017).
Dynamics of π*-resonances in anionic clusters of para-toluquinone
[33] M. S. Scholz, J. N. Bull, N. J. A. Coughlan, E. Carrascosa, B. D. Adamson, E. J. Bieske, J. Phys. Chem. A 121, 6413 (2017).
Photoisomerization of protonated azobenzenes in the gas phase
[32] J. N. Bull, N. J. A. Coughlan, E. J. Bieske, J. Phys. Chem. A 121, 6021 (2017).
Protomer-specific photochemistry using ion mobility mass spectrometry
[31] J. N. Bull, M. S. Scholz, N. J. A. Coughlan, E. J. Bieske, Phys. Chem. Chem. Phys. 19, 12776 (2017).
Isomerisation of an intramolecular hydrogen-bonded photoswitch: protonated azobis(2-imidazole)
[30] J. N. Bull, E. Carrascosa, M. S. Scholz, N. J. A. Coughlan, E. J. Bieske, Analyst 142, 2100 (2017).
Online measurement of photoisomerisation efficiency in solution using ion mobility mass spectrometry
[29] J. N. Bull, J. R. R. Verlet, Sci. Adv. 4, e1603106 (2017).
Observation and ultrafast dynamics of a correlation-bound state of an anion
[28] D. C. Georgiou, M. A. Haghighatbin, C. F. Hogan, M. S. Scholz, J. N. Bull, E. J. Bieske, D. J. D. Wilson, J. L. Dutton, Angew. Chem. Int. Ed. 56, 8473 (2017).
A strong cis- effect in an imidazole/imidazolium substituted alkene
[27] J. N. Bull, M. S. Scholz, N. J. A. Coughlan, A. Kawai, E. J. Bieske, Anal. Chem. 88, 11978 (2016).
Monitoring isomerization of molecules in solution using ion mobility mass spectrometry
[26] C. W. West, J. N. Bull, J. R. R. Verlet, J. Phys. Chem. Lett. 7, 4635 (2016).
Charged particle imaging of the deprotonated octatrienoic acid anion: Evidence for a photo-induced Cyclization Reaction
[25] C. S. Anstöter, C. W. West, J. N. Bull, J. R. R. Verlet, J. Phys. Chem. B 120, 1728 (2016).
The vitamin E radical probed by anion photoelectron imaging
[24] C. S. Anstöter, J. N. Bull, J. R. R. Verlet, Int. Rev. Phys. Chem. 35, 509 (2016).
Ultrafast dynamics of temporary anions probed through the prism of photodetachment
[23] J. N. Bull, C. W. West, J. R. R. Verlet, Chem. Sci. 7, 5352 (2016).
Ultrafast dynamics of formation and autodetachment of a dipole-bound state in an open-shell π-stacked dimer anion
[22] C. W. West, J. N. Bull, D. A. Woods, J. R. R. Verlet, Chem. Phys. Lett. 645, 138 (2016).
Photoelectron imaging as a probe of the repulsive Coulomb barrier in the photodetachment of antimony tartrate dianions
[21] J. N. Bull, C. W. West, J. R. R. Verlet, Phys. Chem. Chem. Phys. 17, 32464 (2015).
Internal conversion outcompetes autodetachment from resonances in the deprotonated tetracene anion continuum
[20] J. N. Bull, C. W. West, J. R. R. Verlet, Phys. Chem. Chem. Phys. 17, 16125 (2015).
Anion resonances and above-threshold dynamics of coenzyme Q0
[19] C. W. West, J. N. Bull, J. R. R. Verlet, J. Phys. Chem. B 119, 3982 (2015).
Excited state dynamics of the isolated green fluorescent protein chromophore anion following UV excitation
[18] J. N. Bull, J. W. L. Lee, C. Vallance, Phys. Rev. A 91, 022704 (2015).
Electron ionization dynamics of N2 and O2 molecules: Velocity-map imaging
[17] D. A. Horke, A. S. Chatterley, J. N. Bull, J. R. R. Verlet, J. Phys. Chem. Lett. 6, 189 (2015).
Time-Resolved Photodetachment Anisotropy: Gas-Phase Rotational and Vibrational Dynamics of the Fluorescein Anion
[16] J. N. Bull, C. W. West, J. R. R. Verlet, Chem. Sci. 6, 1578 (2015).
On the formation of anions: Frequency-, angle-, and time-resolved photoelectron imaging of the menadione radical anion
[15] C. W. West, J. N. Bull, E. Antonkov, J. R. R. Verlet, J. Phys. Chem. A 118, 11346 (2014).
Anion resonances of para-Benzoquinone probed by frequency-resolved photoelectron imaging
[14] J. N. Bull, J. W. L. Lee, C. Vallance, Phys. Chem. Chem. Phys. 16, 10743 (2014).
Absolute electron total ionization cross-sections: molecular analogues of DNA and RNA nucleobase and sugar constituents
[13] J. N. Bull, J. W. L. Lee, S. H. Gardiner, C. Vallance, Eur. J. Mass Spectrom. 20, 117 (2014).
An introduction to velocity-map imaging mass spectrometry (VMImMS)
[12] J. N. Bull, M. Bart, C. Vallance, P. W. Harland, Phys. Rev. A 88, 062710 (2013).
Electron-impact-ionization dynamics of five C2 to C4 perfluorocarbons
[11] J. N. Bull, J. W. L. Lee, C. Vallance, Phys. Chem. Chem. Phys. 15, 13796 (2013).
Quantification of ions with identical mass-to-charge (m/z) ratios by velocity-map imaging mass spectrometry
[10] J. N. Bull, W. C. Tennant, T. B. Ballaran, F. Nestola, C. A. McCammon, Phys. Chem. Minerals 39, 561 (2012).
Anisotropic mean-squared-displacement tensor in cubic almandine garnet: a combined 57Fe Mössbauer and X-ray single crystal study
[9] J. N. Bull, P. W. Harland, C. Vallance, J. Phys. Chem. A 116, 767 (2012).
Absolute total electron impact ionization cross-sections for many-atom organic and halocarbon species
[8] J. N. Bull, R. G. A. R. Maclagan, W. C. Tennant, J. Phys. Chem. A 115, 10655 (2011).
First-principle calculations on the microscopic 57Fe electric-field-gradient tensor of ferrous chloride tetrahydrate: a prototypical Mössbauer species
[7] J. N. Bull, C. M. Fitchett, R. G. A. R. Maclagan, W. C. Tennant, J. Phys. Chem. Sol. 71, 1746 (2010).
A new isomorph of ferrous chloride tetrahydrate: a 57Fe Mössbauer and X-ray crystallography study
[6] J. N. Bull, R. G. A. R. Maclagan, P. W. Harland, J. Phys. Chem. A 114, 8018 (2010).
Comment on “On the electron affinity of nitromethane (CH3NO2)”
[5] J. N. Bull, C. M. Fitchett, W. Craighead Tennant, Hyperfine Interact. 198, 273 (2010).
Microscopic 57Fe electric-field-gradient and anisotropic mean-squared-displacement tensors: ferrous chloride tetrahydrate
[4] J. N. Bull, R. G. A. R. Maclagan, P. W. Harland, J. Phys. Chem. A 114, 3622 (2010).
On the electron affinity of nitromethane (CH3NO2)
[3] J. N. Bull, ChemEd NZ 116, 11 (2009).
From a child’s toy to a Nobel Prize: Mössbauer Spectroscopy
[2] J. N. Bull, W. T. Robinson, W. C. Tennant, Hyperfine Interact. 194, 347 (2009).
Ferrous ammonium sulphate hexahydrate Mössbauer revisited: a combined 57Fe Mössbauer X-ray single crystal study
[1] J. N. Bull, P. W. Harland, Int. J. Mass Spectrom. 273, 53 (2008).
Absolute electron impact ionization cross-sections and polarizability volumes for C2 to C4 aldehydes, C4 and C6 symmetric ethers and C3 to C6 ketones