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Search for W' bosons decaying to a top and a bottom quark at $\sqrt{s} =$13 TeV in the hadronic final state

The CMS collaboration
CMS-B2G-20-005, 2021.

Abstract
A search is performed for W' bosons decaying to a top and a bottom quark in the all-hadronic final state, in proton-proton collisions at a center-of-mass energy of 13 TeV. The analyzed data were collected by the CMS experiment between 2016 and 2018 and correspond to an integrated luminosity of 137 fb$^{-1}$. Deep neural network algorithms are used to identify the jet initiated by the bottom quark and the jet containing the decay products of the top quark when the W boson from the top quark decays hadronically. No excess above the estimated standard model background is observed. Upper limits on the production cross sections of W' bosons decaying to a top and a bottom quark are set. Both left- and right-handed W' bosons with masses below 3.4 TeV are excluded at 95% confidence level, and the most stringent limits to date on W' bosons decaying to a top and a bottom quark in the all-hadronic final state are obtained.

  • Table 1

    Data from Figure 1

    10.17182/hepdata.102392.v1/t1

    The reconstructed m$_{tb}$ distributions in data and expected background in signal region for the data taking period of 2016. Yield...

  • Table 2

    Data from Figure 1

    10.17182/hepdata.102392.v1/t2

    The reconstructed m$_{tb}$ distributions in data and expected background in validation region for the data taking period of 2016. Yield...

  • Table 3

    Data from Figure 2

    10.17182/hepdata.102392.v1/t3

    The reconstructed m$_{tb}$ distributions in data and expected background in signal region for the data taking period of 2017. Yield...

  • Table 4

    Data from Figure 2

    10.17182/hepdata.102392.v1/t4

    The reconstructed m$_{tb}$ distributions in data and expected background in validation region for the data taking period of 2017. Yield...

  • Table 5

    Data from Figure 3

    10.17182/hepdata.102392.v1/t5

    The reconstructed m$_{tb}$ distributions in data and expected background in signal region for the data taking period of 2018. Yield...

  • Table 6

    Data from Figure 3

    10.17182/hepdata.102392.v1/t6

    The reconstructed m$_{tb}$ distributions in data and expected background in validation region for the data taking period of 2018. Yield...

  • Table 7

    Data from Figure 4

    10.17182/hepdata.102392.v1/t7

    Upper limits at 95% CL on the cross section for the production of right-handed W' boson using data and backgrounds...

  • Table 8

    Data from Figure 5

    10.17182/hepdata.102392.v1/t8

    Upper limits at 95% CL on the cross section for the production of left-handed W' boson using data and backgrounds...

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