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Figure 5
Measured intensity autocorrelation functions. Two measurements at q = 0.02957 nm−1 of a screened, 1 mm salt concentration, suspension: red boxes, measured with the standard point detector set-up; blue circles, average correlation function from Eiger pixels in a narrow q range (dq ± 0.001 nm−1). One Eiger measurement at higher spatial frequencies q = 0.04 nm−1, blue triangles, of the weakly screened sample that was extracted from data of 12 exposure series. The curves are pure exponential fits to the initial slopes. The insert shows the slopes and decay parameters on a log(y) scale. In the insert the point detector data (red boxes) and curve have been multiplied by 1.25 to vertically offset and visually separate them from the Eiger data (blue circles).

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