Doublet electronic states of geometrically relaxed ( symmetry) and the singlet ground state of as obtained from TDDFT calculations. The state of the anion is accessible via a dipole allowed transition from the ground state. Dark states are drawn in gray. The superscript “a)” represents the adiabatic electron affinity taken from Wang et al. (Ref. 21).
Pump/probe photoelectron spectrum with pump and probe pulses at zero delay. Inset: Photoelectron spectrum of obtained with the probe pulse only.
(Color online) Contour plot of pump/probe photoelectron spectra at various pump/probe delay times. The spectra are drawn vs electron time of flight for better visualization of the transient feature.
(Color online) Temporal evolution of the integrated transient detachment feature. Black dots are experimental data; the line is a fit to a single exponential decay, convoluted with the instrumental function. The inset shows the cross correlation of the pump/probe pulses as measured by upconversion in BBO. Units on the abscissa of the inset are femtoseconds.
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