Strong Field Double Ionization of Formaldehyde Investigated Using Momentum Resolved Covariance Imaging and Trajectory Surface HoppingClick to copy article linkArticle link copied!
- Chuan ChengChuan ChengDepartment of Physics and Astronomy, Stony Brook University, Stony Brook, New York11794-3800, United StatesMore by Chuan Cheng
- Vaibhav SinghVaibhav SinghDepartment of Chemistry, Temple University, Philadelphia, Pennsylvania19122, United StatesMore by Vaibhav Singh
- Spiridoula MatsikaSpiridoula MatsikaDepartment of Chemistry, Temple University, Philadelphia, Pennsylvania19122, United StatesMore by Spiridoula Matsika
- Thomas Weinacht*Thomas WeinachtDepartment of Physics and Astronomy, Stony Brook University, Stony Brook, New York11794-3800, United StatesMore by Thomas Weinacht
Abstract
We use covariance velocity map imaging of fragment ions from the strong field double ionization of formaldehyde in conjunction with trajectory surface hopping calculations to determine the ionization yields to different singlet and triplet states of the dication. The calculated kinetic energy release for trajectories initiated on different electronic states is compared with the experimental values based on momentum resolved covariance measurements. We determine the state resolved double ionization yields as a function of laser intensity and pulse duration down to 6 fs (two optical cycles).
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