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Updated: May 14, 2026

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
Published on: July 27, 2018
Channel- and angle-resolved above threshold ionization in the molecular frame
Jochen Mikosch1, Andrey E Boguslavskiy, Iain Wilkinson
1National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada. jochen.mikosch@nrc.ca
Strong-field ionization (SFI) in molecules reveals distinct electronic pathways. This study measures SFI yields for 1,3-butadiene in its molecular frame, comparing experimental data with theoretical predictions.
Area of Science:
- Physical Chemistry
- Quantum Mechanics
- Molecular Physics
Background:
- Strong-field ionization (SFI) is crucial for understanding molecular electron dynamics.
- Multiple electronic ionization channels complicate SFI phenomena in polyatomic molecules.
- Each ionization channel exhibits unique angular dependencies in the molecular frame.
Purpose of the Study:
- To investigate angle- and channel-resolved SFI in 1,3-butadiene.
- To compare experimental molecular-frame SFI data with theoretical models.
- To elucidate the role of multiple ionization channels in SFI.
Main Methods:
- Application of a novel angle- and channel-resolved SFI technique.
- Experimental measurements on the polyatomic molecule 1,3-butadiene.
- Comparison of experimental results with two prominent theoretical models.
Main Results:
- Detailed molecular-frame ionization yields were obtained for 1,3-butadiene.
- Discrepancies and agreements between experimental data and theoretical models were identified.
- The study highlights the importance of considering specific ionization channels.
Conclusions:
- The developed SFI technique provides detailed insights into molecular ionization processes.
- Experimental validation is crucial for refining theoretical models of SFI.
- Understanding channel-specific dynamics is key to advancing strong-field molecular physics.
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