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The following plots show the efficiency to tag jets in top quark Monte Carlo samples which have been matched to b quarks, using two different cuts on the jet probability value JP. The efficiency is obtained by multiplying the tag rate for such jets in the Monte Carlo by our data/MC scale factors of 0.817±0.070 for the JP<0.01 and 0.852±0.072 for JP<0.05. The bands represent the systematic error on the data/MC scale factors.
The following plots show the mistag rate for Jet Probability cuts of 0.01 and 0.05 as a function of jet Et and jet eta. They are derived from an inclusive jet data sample which includes all of the 5.3.3 jet20, jet50, jet70 and jet100 datasets. The bands represent the total uncertainty: statistical and systematic added in quadrature. The systematic uncertainty is 6.7% for JetProb<0.01 and 4.7% for JetProb<0.05 (see CDF note 7442 for details).
