Backgrounds

We rerun the analysis with the requirement that pairs be unlike-sign removed and note how much doubling the background affects the results.
Five Parameter fit. Fitting scheme for the topology set, 0.05 < y < 0.5. Plot with statistics here. (left panel)

Five Parameter fit. Fitting scheme for the topology set, 0.5 < y < 1.0. Plot with statistics here. (right panel)