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Search for high-mass states with one lepton plus missing transverse momentum in proton-proton collisions root s=7 TeV with the ATLAS detector

Publication at Faculty of Mathematics and Physics |
2011

Abstract

The ATLAS detector is used to search for high-mass states, such as heavy charged gauge bosons (W''. W*), decaying to a charged lepton (electron or muon) and a neutrino.

Results are presented based on the analysis of pp collisions at a center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 36 pb(-1). No excess beyond standard model expectations is observed.

A W'' with sequential standard model couplings is excluded at 95% confidence level for masses below 1.49 TeV, and a W* (charged chiral boson) for masses below 1.35 TeV.