Observation of W to tau and neutrino Production in pp Collisions at sqrt(s) = 7 TeV

Details Observation of W to tau and neutrino Production in pp Collisions at sqrt(s) = 7 TeV Observation of W to tau and neutrino Production in pp Collisions at sqrt(s) = 7 TeV

2011-08-04

arxiv.org/abs/1108.1089v1

Physics

High Energy Physics

High Energy Physics - Experiment

5 pages, 4 figures, Presented at Moriond/EW: Rencontres de Moriond on "EW Interactions and Unified Theories"

Scientific paper

The production of W bosons decaying into a tau lepton and a neutrino with the tau lepton decaying hadronically has been observed in LHC pp collisions at sqrt(s) = 7 TeV with the CMS detector. The selection criteria provide a statistically significant signal on the top of QCD multi-jet and electroweak backgrounds. A data-driven method for the estimation of the QCD multi-jet background has been employed.

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