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Relative error εl for estimation of tetramer side length upon variation of the nominal side length l shown in a symmetric logarithmic plot. Results are shown both for a maximum photon number Nmax = 104 (gray) and Nmax = 105 (black). Positive and negative relative errors represent overestimation and underestimation, respectively. For each data point a data set of 500000 tetramers was simulated. Error bars indicate the 95% confidence intervals.
