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CMS-EXO-11-056 ; CERN-PH-EP-2012-166
Search for charge-asymmetric production of W' bosons in top pair + jet events from pp collisions at $\sqrt{s}$ = 7 TeV
Phys. Lett. B 717 (2012) 351-370
Abstract: A search is presented for charge-asymmetric production of a W' boson that has been proposed to accommodate the forward-backward asymmetry observed in the production of top-antitop quark pairs at the Tevatron. The new heavy W' boson would be produced in association with a top quark and would decay into top and down quarks. The data correspond to an integrated luminosity of 5.0 inverse femtobarns in pp collisions at a center-of-mass energy of 7 TeV, recorded by the CMS detector at the LHC. No significant excess above the standard model expectations is observed, and, from a combination of the electron-plus-jets and muon-plus-jets channels, a lower limit of 840 GeV/c$^2$ is set on the W' boson mass at the 95% confidence level.
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Compact Muon Solenoid
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