Fig. 4: 3D covariance-map images for the \({\mathrm{CF}}_3^ +\) + I⁺ fragmentation channel.

The direction of travel of the \({\mathrm{CF}}_3^ +\) reference ion is shown by the black arrow; the velocity distribution of the I⁺ ion relative to this reference direction is shown by the intensity distribution within each slice of the 3D covariance-map.