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- W4313400774 abstract "Background estimation is important to estimate the number of events of the Standard Model processes. The dominant background process is V+jets in all the signal regions and accounts for $$> 60%$$ where V stands for the Standard Model electroweak boson. VV, $$t+X$$ and $$bar{tt}$$ are the sub-dominant background processes. These are classified as reducible backgrounds. VVV and $$tbar{t}+X$$ are minor backgrounds and account for about 10%. These are classified as irreducible backgrounds. New selections called “control regions” are defined. The control regions are defined by inverting the $$W/Zrightarrow qq$$ tagging requirement to the signal regions to keep high purity of reducible backgrounds. The extrapolation from contorl regions to signal regions is used to estimate the number of reducible background events. Additionally, “validation regions” are defined to correspond to control and signal regions requiring one lepton or photon. Irreducible backgrounds are estimated by Monte Carlo simulation samples directly." @default.
- W4313400774 created "2023-01-06" @default.
- W4313400774 creator A5023057859 @default.
- W4313400774 date "2023-01-01" @default.
- W4313400774 modified "2023-10-16" @default.
- W4313400774 title "Background Estimation" @default.
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- W4313400774 doi "https://doi.org/10.1007/978-981-19-6593-7_8" @default.
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