previous work. gauss fit with pion, proton, electron

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Previous Work

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Page 1: Previous Work. Gauss fit with pion, proton, electron

Previous Work

Page 2: Previous Work. Gauss fit with pion, proton, electron

Previous Work

Page 3: Previous Work. Gauss fit with pion, proton, electron

Gauss fit with pion, proton, electron

Page 4: Previous Work. Gauss fit with pion, proton, electron

Minimum Pion Bichsel Curve

Page 5: Previous Work. Gauss fit with pion, proton, electron

Pion Gaussian Set

Pion Sigma zero = 0.08688

Pion mu zero = 0.88153

I’m concerned about the electron curve. It does not look like it fits the data. I will add the Kaons to the Gaussian fit.

Should I do anything with the errors for the STD? It seems that the error of the purity and efficiency calculation will be largely based on the errors of my fits

Page 6: Previous Work. Gauss fit with pion, proton, electron

Pion, Electron, Kaon, Proton Fit

Electron Sigma zero = 0.08671

Electron mu zero = 1.31032

Page 7: Previous Work. Gauss fit with pion, proton, electron

Pion, Electron, Kaon, Proton Fit

Kaon Sigma zero = 0.07388

Kaon mu zero = 1.5986

Page 8: Previous Work. Gauss fit with pion, proton, electron

Pion, Electron, Kaon, Proton Fit

Proton Sigma zero = 0.07235

Proton mu zero = 1.71444

Page 9: Previous Work. Gauss fit with pion, proton, electron

Minimum Free Parameter Fit

Page 10: Previous Work. Gauss fit with pion, proton, electron

Minimum Free Parameter Fit – Pos Amp

Page 11: Previous Work. Gauss fit with pion, proton, electron

Efficiency, Purity vs. cut

Page 12: Previous Work. Gauss fit with pion, proton, electron

Efficiency and Purity Error

Is there an error in mu? Some error would be introduced because mu average is used. How should I handle this?

I used range of sigma0 for electrons and recalculated efficiency and purity (1.5<p<1.52)