B-tag scale factor and mistag

• Blessed on Nov. 19
• Scale Factors (cdf7333, 7343)
• Tight Tag: SF = 0.809 +- 0.017 (data) +- 0.030 (MC) +-0.040(sys)+-0.037(Et) (final)
•  other method (B): SF = 0.816 +- 0.026(data)+-0.029(MC)+-0.050(sys)+-0.031(Et)
• Reference: blessing talk
• Preblessed:
• v5.3.3nt SecVtx B-tagging
• Efficiencies (cdf7333, 7343)
• Tight Tag - 18% increase compared to v4.11
• Loose Tag - 9% increase compared to v4.11
 
• Loose Tag: SF = 0.827 +- 0.018 (data) +- 0.027 (MC)
• Tag Matrices for Tight Tag (cdf7326)
• Positive and negative matrices
• Systematic uncertainties (8%)