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Pseudo-Efficiency (SVT-based)

Pseudo-Efficiency (SVT-based). Definition of pseudo-efficiency. GTVL (GoodTracksVeryLoose) does not require DCH hits. GTL (GoodTracksLoose) require 12 DCH hits. Require 10 SVT hits Are going to be used for systematic study Tables are produced for Run5a In the following plots

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Pseudo-Efficiency (SVT-based)

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  1. Pseudo-Efficiency (SVT-based) • Definition of pseudo-efficiency. • GTVL (GoodTracksVeryLoose) does not require DCH hits. • GTL (GoodTracksLoose) require 12 DCH hits. • Require 10 SVT hits • Are going to be used for systematic study • Tables are produced for Run5a • In the following plots • There are 4 plots each • pT dependence • Theta dependence • Multiplicity dependence • Phi dependence • is data, is MC or Data/MC ratio Babar Collaboration Meeting, K. Hamano

  2. Run5a before and after FEX bug fix 0.4 0.8 After bug fix Data efficiency : 94.66% MC efficiency : 96.11% Data/MC ratio : 0.9849 Better Agreement Before bug fix Data efficiency : 93.80% MC efficiency : 95.93% Data/MC ratio : 0.9777 Babar Collaboration Meeting, K. Hamano

  3. Run5a Data/MC ratio 1.05 0.85 Before bug fix After bug fix Looks better Babar Collaboration Meeting, K. Hamano

  4. Run3 with G4 buggy SP8 0.5 0.9 .95 Pseudo-efficiency Data 95.66 % MC 96.29 % Ratio 0.9935 Data/MC ratio Babar Collaboration Meeting, K. Hamano

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