[Dsg-rich] Gaussian fit to histogram for residuals for RICH mirror assembly sphere fit

[Tyler Lemon]

Dear Marco Contalbrigo, 

We fit a Gaussian to the histograms generated from the calculated residuals for each CMM data point compared to the ideal mirror radius of curvature. Attached in a pdf are the histograms with the Gaussian fit. Mirror surface residuals are plotted in blue; back surface residuals in green. 

The following statistics are a result of the fit: 

Mirror Assembly Surface: 
Mean residual fit = 1.276 [mm] ± 0.156 [mm] 

Back Assembly Surface: 
Mean residual fit = 0.497 [mm] ± 0.126 [mm] 

Best regards, 
Tyler 

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