ttbar τ + jets : Update on QCD Estimation. William Edson SUNY at Albany. Chi-squared minimization. Equation: N(x): total number of events of type x for distribution n(x) i : number of events in bin of type x frac (Sig): fraction of N(Remain) expected to be Signal
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SUNY at Albany
Results with Gaussian Fit
Mean: 0.764889 +/- 0.002659 Sigma: 0.0805555 +/- 0.0020661
y(0): -0.00998677 +/- 0.05173513
slope: 0.912698 +/- 0.1009633