A 2D fit with background measurement constraints to boost the Higgs to 4l discovery potential at the LHC

Details A 2D fit with background measurement constraints to boost the Higgs to 4l discovery potential at the LHC A 2D fit with background measurement constraints to boost the Higgs to 4l discovery potential at the LHC

2011-09-10

arxiv.org/abs/1109.2178v1

Eur.Phys.J. C71 (2011) 1746

Physics

High Energy Physics

High Energy Physics - Experiment

Accepted by EPJC

Scientific paper

10.1140/epjc/s10052-011-1746-7

A data-driven method for simultaneously extracting a potential Higgs to ZZ to 4e, 4mu, 2e2mu signal and its dominant backgrounds, is presented. The method relies on a combined fit of the 2-lepton, Z*, and 4-lepton invariant masses. The fit is assisted by normalization of the Z+X backgrounds in data control regions. The Higgs discovery potential for the next few years of LHC running is presented. The demonstrated high sensitivity of the method makes it ideal for the search performed by the ATLAS and CMS experiments.

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