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Figure 7
The counting rate capability of the new detection system. (a) The dead time per tube extracted from the fit of the measured counting rate NM (filled triangles) with the paralysable model (solid line) and (b) the overall counting rate. The measured and fitted results are presented as a function of the sample aperture size converted into theoretical count rate NT. The dotted line represents the ideal behaviour of the count rate in the absence of dead time. The open symbols in panel (b) represent the count-rate variation on the old detector, which was also fitted with the paralysable model (solid line).

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APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
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