# Search for massive WH resonances decaying into the lνbb final state at $\sqrt{s}$ = 8 TeV

CMS Collaboration; Canelli, F; Chiochia, V; Kilminster, B; Robmann, P; et al (2016). Search for massive WH resonances decaying into the lνbb final state at $\sqrt{s}$ = 8 TeV. European Physical Journal C - Particles and Fields, 76(5):237.

## Abstract

A search for a massive resonance W′ decaying into a W and a Higgs boson in the $lνb\overline{b}$ (l = e, μ) final state is presented. Results are based on data corresponding to an integrated luminosity of 19.7 fb$^{−1}$ of proton-proton collisions at $\sqrt{s}$ = 8 TeV, collected using the CMS detector at the LHC. For a high-mass ( 1 TeV) resonance, the two bottom quarks coming from the Higgs boson decay are reconstructed as a single jet, which can be tagged by placing requirements on its substructure and flavour. Exclusion limits at 95% confidence level are set on the production cross section of a narrow resonance decaying into WH, as a function of its mass. In the context of a little Higgs model, a lower limit on the W′ mass of 1.4 TeV is set. In a heavy vector triplet model that mimics the properties of composite Higgs models, a lower limit on the W′ mass of 1.5 TeV is set. In the context of this model, the results are combined with related searches to obtain a lower limit on the W′ mass of 1.8 TeV, the most restrictive to date for decays to a pair of standard model bosons.

## Abstract

A search for a massive resonance W′ decaying into a W and a Higgs boson in the $lνb\overline{b}$ (l = e, μ) final state is presented. Results are based on data corresponding to an integrated luminosity of 19.7 fb$^{−1}$ of proton-proton collisions at $\sqrt{s}$ = 8 TeV, collected using the CMS detector at the LHC. For a high-mass ( 1 TeV) resonance, the two bottom quarks coming from the Higgs boson decay are reconstructed as a single jet, which can be tagged by placing requirements on its substructure and flavour. Exclusion limits at 95% confidence level are set on the production cross section of a narrow resonance decaying into WH, as a function of its mass. In the context of a little Higgs model, a lower limit on the W′ mass of 1.4 TeV is set. In a heavy vector triplet model that mimics the properties of composite Higgs models, a lower limit on the W′ mass of 1.5 TeV is set. In the context of this model, the results are combined with related searches to obtain a lower limit on the W′ mass of 1.8 TeV, the most restrictive to date for decays to a pair of standard model bosons.

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Item Type: Journal Article, refereed, original work 07 Faculty of Science > Physics Institute 530 Physics English 2016 10 Jan 2017 10:44 10 Jan 2017 10:53 Springer 1434-6044 Publisher DOI. An embargo period may apply. https://doi.org/10.1140/epjc/s10052-016-4067-z

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