Abstract:
We present a search for the production of a heavy gauge boson $\mathrm{W^\prime}$ decaying into a top quark and a bottom quark. The dataset used corresponds to an integrated luminosity of 2.2 fb$^{-1}$ collected by the CMS experiment at $\sqrt{s}=$ 13 TeV. The final state signature searched for is lepton ($\mathrm{e}$, $\mu$) plus jets and missing transverse energy. We find no evidence of a $\mathrm{W^\prime}$ and set 95\% confidence level (C.L.) upper limits on its production cross-section times branching fraction. For $\mathrm{W^\prime}$ bosons with purely right handed couplings, the observed (expected) 95\% C.L. lower limit is 2.38 (2.17) TeV. These are currently the most stringent limits in this channel.
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