Professor Mike Ashfold Archives - Laser Chemistry, Spectroscopy & Dynamics Group

Photodissociation of state-selected hydrogen iodide molecules following excitation at vacuum ultraviolet wavelengths: A tuneable source of high velocity H atoms

Wu, Y. C., Luo, Z. J., Zhou, S. Y., Yu, S. R., Chen, Z. C., Shuai, Q., Dai, D. X., Ashfold, M. N. R., Yuan, K. J. & Yang, X. M., 30 Jun 2026, (E-pub ahead of print) In: Physical Chemistry Chemical Physics.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

High-Resolution Absorption Spectroscopy of ND₃ between 59,000 and 93,000 cm^-1

Ashfold, M. N. R., Jacovella, U., Gans, B., Boye-Perrone, S., Joyeux, D., de Oliveira, N., Holland, D. M. P. & Pratt, S. T., 23 Jun 2026, (Accepted/In press) In: Journal of Physical Chemistry A.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Spatial Mapping of Valence Excited-State Landscapes Using Time-Resolved Shake-Down Spectroscopy

Thompson, H. J., Devetta, M., Facciala, D., Ingle, R. A., Pratt, S. T., Razmus, W. O., Vozzi, C., Allum, F., Ashfold, M. N. R., Coriani, S., Feifel, R., Forbes, R., Holland, D. M. P., Rolles, D., Squibb, R. J., Bonanomi, M., Callegari, C., Coreno, M., Danailov, M. & Demidovich, A. & 5 others, Di Fraia, M., Grazioli, C., Manfredda, M., Plekan, O. & Minns, R. S., 4 Jun 2026, In: Journal of Physical Chemistry A. 130, 22, p. 4224-4233 10 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

JOHN MILTON BROWN, 12 September 1941 – 10 September 2009

Ashfold, M. N. R., Sears, T. J. & Steimle, T. C., 15 May 2026, (Accepted/In press) In: Biographical Memoirs of Fellows of the Royal Society.

Research output: Contribution to journal › Review article (Academic Journal) › peer-review

Ultrafast X-ray scattering of photodissociation dynamics in 2-iodothiophene

Razmus, W. O., Gabalski, I., Allum, F., Abma, G. L., Britton, M., Boutet, S., Bucksbaum, P. H., Cheng, X., Crane, S. W., Gate, G., Ghrist, A., Grassl, M., Green, A. E., Goff, N., Horke, D. A., Huang, L., Liang, M., Liu, Y., Ma, L. & Minitti, M. P. & 9 others, Northey, T., Odate, A., Robinson, J., Weber, P. M., Wolf, T. J. A., Curchod, B. F. E., Ashfold, M. N. R., Minns, R. S. & Forbes, R., 14 Jan 2026, In: Journal of Chemical Physics. 164, 2, 024308.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Characterising S(¹D) atoms formed by exciting D₂S molecules via intense Rydberg resonances at wavelengths ~139.1 nm and ~129.1 nm

Luo, Z., Zhou, S., Wu, Y., Yang, S., Li, Z., Dong, Y., Hua, W., Shuai, Q., Che, L., Ashfold, M. N. R., Yuan, K. & Yang, X., 1 Dec 2025, In: Chinese Journal of Chemical Physics. 38, 6, p. 777-787 11 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Visualizing the three-dimensional arrangement of hydrogen atoms in organic molecules by Coulomb explosion imaging

Green, A. E., Chen, K., Bhattacharyya, S., Allum, F., Usenko, S., Ashfold, M. N. R., Baumann, T. M., Borne, K. D., Brouard, M., Burt, M., Curchod, B. F. E., Erk, B., Forbes, R. J. G., Ibele, L. M., Ingle, R. A., Lam, H. V. S., Li, X., Lin, K., Mazza, T. & McManus, J. W. & 21 others, Meyer, M., Mullins, T., Nunes, J. P. F., Rivas, D., Roerig, A., Rouzee, A., Schmidt, P., Searles, J., Senfftleben, B., Stapelfeldt, H., Tanyag, R. M. P., Tranter, F., Venkatachalam, A. S., Wang, E., Warne, E. M., Weber, P. M., Wolf, T. J. A., Jahnke, T., Rudenko, A., Boll, R. & Rolles, D., 15 Oct 2025, In: Journal of the American Chemical Society. 147, 41, p. 37133−37143 11 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Time-resolved momentum imaging of UV photodynamics in structural isomers of iodopropane probed by site-selective XUV ionization

Allum, F., Kumagai, Y., Nagaya, K., Harries, J., Iwayama, H., Britton, M., Bucksbaum, P., Burt, M., Brouard, M., Downes-Ward, B., Driver, T., Heathcote, D., Hockett, P., Howard, A., Lee, J., Liu, Y., Kukk, E., McManus, J., Milesevic, D. & Minns, R. S. & 13 others, Niozu, A., Niskanen, J., Orr-Ewing, A. J., Owada, S., Robertson, P. A., Rolles, D., Rudenko, A., Ueda, K., Unwin, J., Vallance, C., Walmsley, T., Ashfold, M. N. R. & Forbes, R., 14 Oct 2025, In: Physical Chemistry Chemical Physics. 27, 38, p. 20602-20613 12 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Unraveling electronic effects that influence the bimolecular chemistry of fluorinated Criegee intermediates

Guidry, L. M., Poirier, C. A., Yigiter, A., Legg, T. P., Marchetti, B., Ashfold, M. N. R., Vansco, M. F. & Karsili, T. N. V., 7 Oct 2025, In: ChemPhysChem. 26, 19, 11 p., e202401023.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Velocity map imaging studies of the ultraviolet photodissociation of methyl chloride

Wu, Y., Luo, Z., Yang, S., McGoldrick, S. J., Mendham, J. L., Li, Z., Zhou, S., Dong, Y., Dai, D., Hansen, C. S., Ashfold, M. N. R., Yuan, K. & Yang, X., 1 Oct 2025, In: Journal of Chemical Physics. 163, 13, 17 p., 134302.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Ultraviolet photodissociation of methanethiol (CH3SH): Revealing an S(¹D) atom elimination channel

Wu, Y., Zhou, S., Luo, Z., Yang, S., Li, Z., Dong, Y., Hua, W., Shuai, Q., Dai, D., Ashfold, M. N. R., Yuan, K. & Yang, X., 18 Aug 2025, (E-pub ahead of print) In: Chemical Science. 16, 37, p. 17165-17175 11 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Imaging the Photochemistry of Cyclobutanone using Ultrafast Electron Diffraction: Experimental Results

Green, A. E., Liu, Y., Allum, F., Graßl, M., Lenzen, P., Ashfold, M. N. R., Bhattacharyya, S., Cheng, X., Centurion, M., Crane, S. W., Forbes, R. G., Goff, N. A., Huang, L., Kaufman, B., Kling, M. F., Kramer, P. L., Lam, H. V. S., Larsen, K. A., Lemons, R. & Lin, M.-F. & 10 others, Orr-Ewing, A. J., Rolles, D., Rudenko, A., Saha, S. K., Searles, J., Shen, X., Weathersby, S., Weber, P. M., Zhao, H. & Wolf, T. J. A., 7 May 2025, In: Journal of Chemical Physics. 162, 18, 13 p., 184303.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Molecular heaters: A green route to boosting crop yields?

Woolley, J. M., Rodrigues, N. D. N., Toldo, J. M., Rioux, B., Groves, C. L., Schrama, X., Alcaran, J., Abiola, T. T., Mention, M. M., do Casal, M. T., Greenhough, S. E., Borja, M., Buma, W. J., Ashfold, M. N. R., Braeuning, A., Munnik, T., Franklin, K. A., Allais, F., Barbatti, M. & Stavros, V. G., 18 Mar 2025, In: Physical Chemistry Chemical Physics. 27, 14, p. 7375-7382 8 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Reactive radical etching of quartz by microwave activated CH₄/H₂ plasmas promotes gas phase nanoparticle formation

Ashfold, M. N. R., Curchod, B. F. E., Hollas, D., Ma, J. & Mankelevich, Y. A., 19 Dec 2024, In: The Journal of Physical Chemistry A. 128, 50, p. 10884-10905 22 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Quantum state-dependent fragmentation dynamics of D₂S molecules following excitation at wavelengths ~129.1 and ~139.1 nm

Luo, Z., Yang, S., Wu, Y., Li, Z., Hua, W., Chen, Z., Che, L., Wang, X., Ashfold, M. N. R., Yuan, K. & Yang, X., 26 Sept 2024, In: Journal of Physical Chemistry A. 128, 38, p. 8111-8122 12 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

The role of momentum partitioning in covariance ion imaging analysis

Walmsley, T., McManus, J., Kumagai, Y., Nagaya, K., Harries, J., Iwayama, H., Ashfold, M. N. R., Britton, M., Bucksbaum, P., Downes-Ward, B., Driver, T., Heathcote, D., Hockett, P., Howard, A., Lee, J. W. L., Liu, Y., Kukk, E., Milesevic, D., Minns, R. S. & Niozu, A. & 13 others, Niskanen, J., Orr-Ewing, A. J., Owada, S., Robertson, P., Rolles, D., Rudenko, A., Ueda, K., Unwin, J., Vallance, C., Brouard, M., Burt, M., Allum, F. & Forbes, R., 6 Jun 2024, In: Journal of Physical Chemistry A. 128, 22, p. 4548-4560 13 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Unraveling the Rich Fragmentation Dynamics Associated with S-H Bond Fission Following Photoexcitation of H₂S at Wavelengths ∼129.1 nm

Luo, Z. J., Wu, Y. C., Yang, S. K., Li, Z. X., Hua, W., Chen, Z. C., Che, L., Wang, X. G., Ashfold, M. N. R. & Yuan, K. J., 2 May 2024, In: Journal of Physical Chemistry A. 128, 17, p. 3351-3360 10 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Exploring the ultrafast and isomer-dependent photodissociation of iodothiophenes via site-selective ionization

Razmus, W. O., Allum, F., Harries, J., Kumagai, Y., Nagaya, K., Bhattacharyya, S., Britton, M., Brouard, M., Bucksbaum, P. H., Cheung, K., Crane, S. W., Fushitani, M., Gabalski, I., Gejo, T., Ghrist, A., Heathcote, D., Hikosaka, Y., Hishikawa, A., Hockett, P. & Jones, E. & 25 others, Kukk, E., Iwayama, H., Lam, H. V. S., McManus, J. W., Milesevic, D., Mikosch, J., Minemoto, S., Niozu, A., Orr-Ewing, A. J., Owada, S., Rolles, D., Rudenko, A., Townsend, D., Ueda, K., Unwin, J., Vallance, C., Venkatachalam, A., Wada, S.-I., Walmsley, T., Warne, E. M., Woodhouse, J. L., Burt, M., Ashfold, M. N. R., Minns, R. S. & Forbes, R., 5 Apr 2024, (E-pub ahead of print) In: Physical Chemistry Chemical Physics. 26, 16, p. 12725-12737 13 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Ultrafast electronic relaxation pathways of the molecular photoswitch quadricyclane

Borne, K. D., Cooper, J. C., Ashfold, M. N. R., Bachmann, J., Bhattacharyya, S., Boll, R., Bonanomi, M., Bosch, M., Callegari, C., Centurion, M., Coreno, M., Curchod, B. F. E., Danailov, M. D., Demidovich, A., Di Fraia, M., Erk, B., Facciala, D., Feifel, R., Forbes, R. J. G. & Hansen, C. S. & 21 others, Holland, D. M. P., Ingle, R. A., Lindh, R., Ma, L., McGhee, H., Muvva, S. B., Nunes, J. P. F., Odate, A., Pathak, S., Plekan, O., Prince, K. C., Rebernik, P., Rouzee, A., Rudenko, A., Simoncig, A., Squibb, R. J., Venkatachalam, A. S., Vozzi, C., Weber, P. M., Kirrander, A. & Rolles, D., 1 Apr 2024, In: Nature Chemistry. 16, 4, p. 499-505 7 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Monitoring the evolution of relative product populations at early times during a photochemical reaction

Nunes, J. P. F., Ibele, L.-M., Pathak, S., Attar, A. R., Bhattacharyya, S., Boll, R., Borne, K. D., Centurion, M., Erk, B., Lin, M.-F., Forbes, R. J. G., Goff, N., Hansen, C. S., Hoffmann, M., Holland, D. M. P., Ingle, R. A., Luo, D., Muvva, S. B., Reid, A. & Rouzee, A. & 14 others, Rudenko, A., Saha, S. K., Shen, X. Z., Venkatachalam, A. S., Wang, X. J., Ware, M. R., Weathersby, S. P., Wilkin, K., Wolf, T. J. A., Xiong, Y. W., Yang, J., Ashfold, M. N. R., Rolles, D. & Curchod, B. F. E., 14 Feb 2024, In: Journal of the American Chemical Society. 146, 6, p. 4134–4143 10 p.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Publications