Borrowed from ZZ analysis: background rejection (including
non ZZ eeqq events) with a correlated cut on Mee and Mjet (4C fit) instead
of Mjet(5C fit) cut.
Not as good for hee, but still useful ( plot
).
Comparison with old mass cut using optimization samples
(except 70 GeV):
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Efficiency on test sample:
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What about data and background?
Data | Tot. bkg. | q qbar | l+l- | WWEX | e+e-q qbar | llqq | gam gam | |
Corr.mass | 1 | 5.38 | 0.19 | 0 | 0.39 | 4.76 | 0.05 | 0 |
B tag. | 0 | 1.79 | 0.03 | 0 | 0.13 | 1.63 | 0 | 0 |