Time-resolved experiments on gas-phase atoms and molecules with XUV and X-ray free-electron lasers

D Rolles - Advances in Physics: X, 2023 - Taylor & Francis
Over the last 20 years, XUV and X-ray free-electron lasers have enabled a wide variety of
time-resolved experiments that have dramatically advanced our understanding of ultrafast …

Molecular photodissociation dynamics revealed by Coulomb explosion imaging

SW Crane, JWL Lee, MNR Ashfold… - Physical Chemistry …, 2023 - pubs.rsc.org
Coulomb explosion imaging (CEI) methods are finding ever-growing use as a means of
exploring and distinguishing the static stereo-configurations of small quantum systems …

Direct momentum imaging of charge transfer following site-selective ionization

F Allum, Y Kumagai, K Nagaya, J Harries, H Iwayama… - Physical Review A, 2023 - APS
We study ultrafast charge rearrangement in dissociating 2-iodopropane (2-C 3 H 7 I) using
site-selective core ionization at the iodine atom. Clear signatures of electron transfer …

[HTML][HTML] Characterizing the multi-dimensional reaction dynamics of dihalomethanes using XUV-induced Coulomb explosion imaging

T Walmsley, J Unwin, F Allum, S Bari, R Boll… - The Journal of …, 2023 - pubs.aip.org
Site-selective probing of iodine 4d orbitals at 13.1 nm was used to characterize the
photolysis of CH 2 I 2 and CH 2 BrI initiated at 202.5 nm. Time-dependent fragment ion …

Energy-dependent timescales in the dissociation of diiodothiophene dication

E Kukk, L Pihlava, K Kooser, C Stråhlman… - Physical Chemistry …, 2023 - pubs.rsc.org
Photodissociation molecular dynamics of gas-phase 2, 5-diiodothiophene molecules was
studied in an electron-energy-resolved electron-multi-ion coincidence experiment performed …

Time-Resolved Probing of the Iodobenzene C-Band Using XUV-Induced Electron Transfer Dynamics

J Unwin, WO Razmus, F Allum, JR Harries… - ACS Physical …, 2024 - ACS Publications
Time-resolved extreme ultraviolet spectroscopy was used to investigate photodissociation
within the iodobenzene C-band. The carbon–iodine bond of iodobenzene was photolyzed at …

Radiation‐Induced Transfer of Charge, Atoms, and Energy within Isolated Biomolecular Systems

F Chevalier, T Schlathölter, JC Poully - ChemBioChem, 2023 - Wiley Online Library
In biological tissues, ionizing radiation interacts with a variety of molecules and the
consequences include cell killing and the modification of mechanical properties …

Coulomb explosion imaging and covariance analysis of concurrent fragmentation mechanisms

TR Walmsley - 2024 - ora.ox.ac.uk
This thesis uses Coulomb explosion imaging and covariance analysis to characterise
concurrent fragmentation processes generating identical sets of products via different …

Imaging the Photodissociation Dynamics and Fragment Alignment of CH2BrI at 193 nm

P Recio, J Cachón, L Rubio-Lago… - The Journal of …, 2022 - ACS Publications
The photodissociation dynamics and photofragment alignment of bromoiodomethane
(CH2BrI) have been studied at 193 nm using a double experimental and theoretical …

Characterising the photodissociation dynamics of few-atom systems via X-ray Coulomb explosion imaging

J Unwin - 2024 - ora.ox.ac.uk
Coulomb explosion imaging has shown promise as a technique to study ultrafast chemical
reactions. When a molecule undergoes a Coulomb explosion, it fragments into multiple …