Research Article

Orientation-dependent stereo Wigner time delay and electron localization in a small molecule

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Science  22 Jun 2018:
Vol. 360, Issue 6395, pp. 1326-1330
DOI: 10.1126/science.aao4731

Time and place of electron exit

Until about a decade ago, laser-induced ionization was considered instantaneous. Since then, applications of attosecond laser pulses have shown multiple subtle and complex factors that influence the precise timing of electron ejection from atoms and surfaces. Vos et al. measured the corresponding attosecond dynamics of dissociative photoionization in a diatomic molecule, carbon monoxide. By imaging the charged fragments, the timing could be correlated with the specific spatial portion of the molecule from which the electron wave packet emerged.

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