Abstract

The line shape of the TOF peaks in the reflectrons of various relative deceleration gap widths was calculated under conditions where the main limiting factor of reflectron mass resolution is ion scattering by the reflectron grids. The analysis shows that the line shape of mass peaks in a reflectron with highly transparent grids is generally far from Gaussian. In the cases where the mesh size of one of the grids is by some reason a few times larger than that of the other grid, two satellites of minor amplitude were found to occur in the vicinity of the true mass peak.

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