A snippet from some theory work in progress on time delays in molecular photoionization. The image below shows the energy and angle-resolved cross-section (surface topography) and Wigner delay (colour map) over a 40 eV range for CO. Unsurprisingly, for a molecular scatterer (albeit a simple heteronuclear diatomic) the map is quite complicated! Here the delays range from -200 to +200 attoseconds, and peak at the Carbon end of the molecule.

More on this soon… the paper is almost ready…

 

UPDATE Dec. 2015

Now on the arXiv:

Time Delay in Molecular Photoionization

P. Hockett, E. Frumker, D.M. Villeneuve, P.B. Corkum

arXiv 1512.03788, 2015