Brighter, faster, stronger: ultrafast scattering of free molecules

A Odate, A Kirrander, PM Weber… - Advances in Physics …, 2023 - Taylor & Francis
Advances in FEL technologies have contributed remarkably to various scientific fields over
the past decade, and ultrafast molecular dynamics is no exception. The ability to probe …

Step-by-step state-selective tracking of fragmentation dynamics of water dications by momentum imaging

T Severt, ZL Streeter, W Iskandar, KA Larsen… - Nature …, 2022 - nature.com
The double photoionization of a molecule by one photon ejects two electrons and typically
creates an unstable dication. Observing the subsequent fragmentation products in …

Transient vibration and product formation of photoexcited CS2 measured by time-resolved x-ray scattering

I Gabalski, M Sere, K Acheson, F Allum… - The Journal of …, 2022 - pubs.aip.org
We have observed details of the internal motion and dissociation channels in photoexcited
carbon disulfide (CS 2) using time-resolved x-ray scattering (TRXS). Photoexcitation of gas …

Applying Bayesian inference and deterministic anisotropy to retrieve the molecular structure ∣Ψ(R)∣2 distribution from gas-phase diffraction experiments

K Hegazy, V Makhija, P Bucksbaum, J Corbett… - Communications …, 2023 - nature.com
Currently, our general approach to retrieving molecular structures from ultrafast gas-phase
diffraction heavily relies on complex ab initio electronic or vibrational excited state …

Spectroscopic and structural probing of excited-state molecular dynamics with time-resolved photoelectron spectroscopy and ultrafast electron diffraction

Y Liu, SL Horton, J Yang, JPF Nunes, X Shen, TJA Wolf… - Physical Review X, 2020 - APS
Pump-probe measurements aim to capture the motion of electrons and nuclei on their
natural timescales (femtoseconds to attoseconds) as chemical and physical transformations …

[HTML][HTML] Scattering off molecules far from equilibrium

H Yong, JM Ruddock, B Stankus, L Ma, W Du… - The Journal of …, 2019 - pubs.aip.org
Pump-probe gas phase X-ray scattering experiments, enabled by the development of X-ray
free electron lasers, have advanced to reveal scattering patterns of molecules far from their …

Resolving multiphoton processes with high-order anisotropy ultrafast X-ray scattering

A Natan, A Schori, G Owolabi, JP Cryan… - Faraday …, 2021 - pubs.rsc.org
We present the first results on experimentally measured ultrafast X-ray scattering of strongly
driven molecular iodine and analysis of high-order anisotropic components of the scattering …

Characterizing multiphoton excitation using time-resolved x-ray scattering

PH Bucksbaum, MR Ware, A Natan, JP Cryan… - Physical Review X, 2020 - APS
Molecular iodine is photoexcited by a strong 800-nm laser driving several channels of
multiphoton excitation. The motion following photoexcitation is probed using time-resolved x …

Characterizing dissociative motion in time-resolved x-ray scattering from gas-phase diatomic molecules

MR Ware, JM Glownia, N Al-Sayyad, JT O'Neal… - Physical Review A, 2019 - APS
Time-resolved x-ray scattering (TRXS) measures internuclear separations in a molecule
following laser-induced photoexcitation. The molecular dynamics induced by the excitation …

The measurement of ultrafast electronic and structural dynamics with X-rays

JP Marangos - … Transactions of the Royal Society A, 2019 - royalsocietypublishing.org
In this theme issue, leading researchers discuss recent work on the measurement of ultrafast
electronic and structural dynamics in matter using a new generation of short duration X-ray …