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

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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.

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

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Publication details

The article was received on 26 Jan 2017, accepted on 10 Apr 2017 and first published on 11 Apr 2017


Article type: Paper
DOI: 10.1039/C7CP00587C
Citation: Phys. Chem. Chem. Phys., 2017, Advance Article
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    Single-photon Coulomb explosion of methanol using broad bandwidth ultrafast EUV pulses

    I. Luzon, K. Jagtap, E. Livshits, O. Lioubashevski, R. Baer and D. Strasser, Phys. Chem. Chem. Phys., 2017, Advance Article , DOI: 10.1039/C7CP00587C

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