'Highest ptbjet reconstruction' presentation slideshows

ttbar ? ? + jets : Update on QCD Estimation

392 views • 25 slides

ttbar ? ? + jets : Update on QCD Estimation

342 views • 25 slides

ttbar ? ? + jets : Update on QCD Estimation

ttbar ? ? + jets : Update on QCD Estimation. William Edson SUNY at Albany. Cutflow. C0: GRL C1: Trigger C2: Primary vertex with ntracks > 4 C3: Electron/ muon overlap, larVeto C4: Jet cleaning C5: Lepton Veto C6: tau n ? 1 C7: n jets >= 4 with eta < 2.5 and | jvf | > 0.75

266 views • 18 slides

ttbar ? ? + jets : Update on QCD Estimation

ttbar ? ? + jets : Update on QCD Estimation. William Edson SUNY at Albany. New Event Selection Verification. Single Bin Tests for Variance. Using the first derivative: Calculated variance ( ? i ): 8.42421 Gaussian fit sigma: 8.48931 Webpage crosscheck*: 8.4

337 views • 16 slides

ttbar ? ? + jets : Update on QCD Estimation

ttbar ? ? + 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

219 views • 13 slides

ttbar ? ? + jets : Update on QCD Estimation

ttbar ? ? + 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

225 views • 11 slides