Search for heavy resonances that decay into a vector boson and a Higgs boson in hadronic final states at [Formula: see text] TeV

在 [公式:见正文] TeV 能量下寻找衰变为矢量玻色子和希格斯玻色子的强子末态重共振态。

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Abstract

A search for heavy resonances with masses above 1 TeV , decaying to final states containing a vector boson and a Higgs boson, is presented. The search considers hadronic decays of the vector boson, and Higgs boson decays to b quarks. The decay products are highly boosted, and each collimated pair of quarks is reconstructed as a single, massive jet. The analysis is performed using a data sample collected in 2016 by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV , corresponding to an integrated luminosity of 35.9 fb-1 . The data are consistent with the background expectation and are used to place limits on the parameters of a theoretical model with a heavy vector triplet. In the benchmark scenario with mass-degenerate W' and Z' bosons decaying predominantly to pairs of standard model bosons, for the first time heavy resonances for masses as high as 3.3 TeV are excluded at 95% confidence level, setting the most stringent constraints to date on such states decaying into a vector boson and a Higgs boson.

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