Single-photon Coulomb explosion of methanol using broad bandwidth ultrafast EUV pulses

Literature Information

Publication Date 2017-04-11
DOI 10.1039/C7CP00587C
Impact Factor 3.676
Authors

Itamar Luzon, Krishna Jagtap, Ester Livshits, Oleg Lioubashevski, Roi Baer, Daniel Strasser


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Abstract

Single-photon Coulomb explosion of methanol is instigated using the broad bandwidth pulse achieved through high-order harmonics generation. Using 3D coincidence fragment imaging of one molecule at a time, the kinetic energy release (KER) and angular distributions of the products are measured in different Coulomb explosion (CE) channels. Two-body CE channels breaking either the C–O or the C–H bonds are described as well as a proton migration channel forming H2O+, which is shown to exhibit higher KER. The results are compared to intense-field Coulomb explosion measurements in the literature. The interpretation of broad bandwidth single-photon CE data is discussed and supported by ab initio calculations of the predominant C–O bond breaking CE channel. We discuss the importance of these findings for achieving time resolved imaging of ultrafast dynamics.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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