(a) A schematic diagram of the geometry of the setup. (b) Two-dimensional histogram representing the detector area showing fragments from nitrogen dissociation at the N state. The plot shows the number of ions which arrive in coincidence with ions at each detector coordinate. (c) The angular distribution of all fragments from the pathway , from which the -parameter has been estimated. The calculated distribution for is shown with a solid line.
Histogram of fragments from the dissociation channel for resonant and nonresonant cases. (a) Distribution of fragments at C (288.08 eV). (b) Distribution of fragments measured at 285 eV. The direction of the polarization vector is shown. The distribution of fragments is plotted as a function of the angle (see Fig. 1) after integration of Eq. (3) for (c) C and (d) off resonance.
The KER distribution of each fragment and the total kinetic energy. (a) C compared to C (b) C compared to off resonance. The ratios of fragment energies presented in a Dalitz plot (c) C and (d) C .
Angular correlations between fragments from complete dissociation to atomic fragments. Each plot contains the data for excitation to the C state, the C state and the off resonance measurement. (a) Histogram as a function of angle for the triple ionization events. (b) Histogram as a function of angle for the three-body double ionization events. is defined as the angle between the vectors and .
A histogram of the intensity as a function of bond angle for the two Renner–Teller components at the C state. The events corresponding to the bent geometry and the linear geometry are compared.
Comparison of angular correlations from the three-body breakup of for O and O states.
The channel was found at the C state. This channel arises as a consequence of isomerization of the dication. (a) The KER distribution. (b) The angular distribution of fragments and a fit to the parameter. The positive anisotropy implies that the bending motion cannot be separated from the core-excitation.
Angular asymmetry parameters for dissociation channels at the C 1s and O 1s ionization edges. The estimated error in these values is .
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