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Search for a massive resonance decaying into a Higgs boson and a W or Z boson in hadronic final states in proton-proton collisions at sqrt(s) = 8 TeV
High Energy Physics - Experiment · Submitted 4 Jun 2015
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim No significant signal is observed and limits are set at 95% confidence level on the production cross section of W' and Z' in a model with mass-degenerate charged and neutral spin-1 resonances.
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The abstract, sentence by sentence
A search for a massive resonance decaying into a standard-model-like Higgs boson (H) and a W or Z boson is reported. The analysis is performed on a data sample corresponding to an integrated luminosity of 19.7 inverse femtobarns, collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. Signal events, in which the decay products of Higgs, W, or Z bosons at high Lorentz boost are contained within single reconstructed jets, are identified using jet substructure techniques, including the tagging of b hadrons. This is the first search for heavy resonances decaying into HW or HZ resulting in an all-jet final state, as well as the first application of jet substructure techniques to identify H to WW* to 4q decays at high Lorentz boost. No significant signal is observed and limits are set at 95% confidence level on the production cross section of W' and Z' in a model with mass-degenerate charged and neutral spin-1 resonances. Resonance masses are excluded for W' in the interval [1.0, 1.6] TeV, for Z' in the intervals [1.0, 1.1] and [1.3, 1.5] TeV, and for mass-degenerate W' and Z' in the interval [1.0, 1.7] TeV.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | A search for a massive resonance decaying into a standard-model-like Higgs boson (H) and a W or Z boson is reported. | contribution 1.00 | 0.94 | 0.04 | asserted 0.93 |
| s1 | The analysis is performed on a data sample corresponding to an integrated luminosity of 19.7 inverse femtobarns, collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. | method 1.00 | 0.91 | 0.02 | asserted 1.00 |
| s2 | Signal events, in which the decay products of Higgs, W, or Z bosons at high Lorentz boost are contained within single reconstructed jets, are identified using jet substructure techniques, including the tagging of b hadrons. | method 1.00 | 0.92 | 0.02 | asserted 1.00 |
| s3 | This is the first search for heavy resonances decaying into HW or HZ resulting in an all-jet final state, as well as the first application of jet substructure techniques to identify H to WW* to 4q decays at high Lorentz boost. | contribution 0.85 | 0.90 | 0.04 | asserted 1.00 |
| s4 | No significant signal is observed and limits are set at 95% confidence level on the production cross section of W' and Z' in a model with mass-degenerate charged and neutral spin-1 resonances. | result 1.00 | 0.97 | 0.87 | asserted 1.00 |
| s5 | Resonance masses are excluded for W' in the interval [1.0, 1.6] TeV, for Z' in the intervals [1.0, 1.1] and [1.3, 1.5] TeV, and for mass-degenerate W' and Z' in the interval [1.0, 1.7] TeV. | result 1.00 | 0.96 | 0.67 | asserted 1.00 |
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The paper
Original abstract
A search for a massive resonance decaying into a standard-model-like Higgs boson (H) and a W or Z boson is reported. The analysis is performed on a data sample corresponding to an integrated luminosity of 19.7 inverse femtobarns, collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. Signal events, in which the decay products of Higgs, W, or Z bosons at high Lorentz boost are contained within single reconstructed jets, are identified using jet substructure techniques, including the tagging of b hadrons. This is the first search for heavy resonances decaying into HW or HZ resulting in an all-jet final state, as well as the first application of jet substructure techniques to identify H to WW* to 4q decays at high Lorentz boost. No significant signal is observed and limits are set at 95% confidence level on the production cross section of W' and Z' in a model with mass-degenerate charged and neutral spin-1 resonances. Resonance masses are excluded for W' in the interval [1.0, 1.6] TeV, for Z' in the intervals [1.0, 1.1] and [1.3, 1.5] TeV, and for mass-degenerate W' and Z' in the interval [1.0, 1.7] TeV.
Human review
References
How later papers used it
62 later papers cite it
1 later paper by other authors is listed below: 1 used its method or tool.
Uses its method or tool 1 of 3 papers with this label
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This is done using combinations of $N$-subjettiness [ref] variables $τ_N$ by requiring $0<τ_4/τ_2<0.3$ and $0<τ_4/τ_3<0.6$, which were also experimentally studied in Ref. [ref] .
Search for dark matter produced in association with a dark Higgs boson decaying into $W^\pm W^\mp$ or $ZZ$ in fully hadronic final states from $\sqrt{s}=13$ TeV $pp$ collisions recorded with the ATLAS detector (2020) · Introduction · 0.96
How the literature uses it
62 arXiv papers cite this in 91 sentences
Papers citing it · 46 sentences without a confident label
Uses its method or tool 3 papers
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In all-jet final states [ref] , the background expectation is dominated by multijet production, which is estimated through a fit of a signal+background hypothesis to the data, where the background is described by a smoothly falling parametric function.
Combination of searches for heavy resonances decaying to WW, WZ, ZZ, WH, and ZH boson pairs in proton-proton collisions at sqrt(s) = 8 and 13 TeV · Analysis techniques · 0.87
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This is done using combinations of $N$-subjettiness [ref] variables $τ_N$ by requiring $0<τ_4/τ_2<0.3$ and $0<τ_4/τ_3<0.6$, which were also experimentally studied in Ref. [ref] .
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For example, the effective Lagrangian given in Refs. [ref] provides a simple framework for $V'$ phenomenology at the LHC, and the framework is used in the analysis of ATLAS and CMS [ref] .
Classification of simple heavy vector triplet models · Introduction · 0.87
Uses its data or values 15 papers
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The search for $/→/→'/$ [ref] reports limits in the context of the HVT model that can be directly used in the combination.
Search for massive WH resonances decaying into the l nu b anti-b final state at sqrt(s) = 8 TeV · Analysis combination · 0.96
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We summarize in Fig. [ref] the allowed parameter space of $g_R$ versus $sinϕ_w$ for the 2 TeV $W'$ boson under the following constraints: * $Γ_W' / M_W' < 0.1$, * $σ(W') ×B(W' →jj ) ·A < 60$ fb [ref] , * $σ(W') ×B(W' →WZ ) < 40$ fb [ref] , and * $σ(W') ×B(W' →WH ) < 7$ fb [ref] .
Interpretations of the ATLAS Diboson Anomaly · Limits from dijet production and others · 0.99
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In all, we combine results from the following final states: 3$ℓ$ (8) [ref] ; $ℓℓ$ (8) [ref] ; $ℓ$ (8) [ref] ; $$ (8) [ref] ; $ℓ$ (8) [ref] ; $ττ$ (8) [ref] ; $$ and $6$ (8) [ref] ; $ℓ$ (13) [ref] ; $$ (13) [ref] ; and $ℓℓ$, $ℓ$, and $$ (13) [ref] .
Combination of searches for heavy resonances decaying to WW, WZ, ZZ, WH, and ZH boson pairs in proton-proton collisions at sqrt(s) = 8 and 13 TeV · Introduction · 0.84
Compares with it 2 papers
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The ranges excluded in the framework of model B are 1.00–2.50 and 2.76–3.30, significantly extending the reach with respect to the previous $√(s)=8$ and $√(s)=13$ searches [ref] .
Search for heavy resonances that decay into a vector boson and a Higgs boson in hadronic final states at sqrt(s) = 13 TeV · Results and interpretation · 0.96
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The exclusion of the parameter space significantly improves on the reach of $√(s)=8$ searches in the $1ℓ$ [ref] and all-hadronic channels [ref] .
Search for heavy resonances decaying into a vector boson and a Higgs boson in final states with charged leptons, neutrinos, and b quarks · Results and interpretation · 1.00
Cites it as background 18 papers
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While ATLAS searches for leptonic decays of the gauge boson and the Higgs decaying to $bb̅$ [ref] , CMS searches for hadronic decays of the gauge boson and the Higgs decaying to $ττ$ and $WW^*$ [ref] .
Reconciling the 2 TeV Excesses at the LHC in a Linear Seesaw Left-Right Model · Experimental picture · 0.97
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Searches for such VV and VH resonances in different final states have previously been performed by the ATLAS [ref] and CMS [ref] experiments at the CERN LHC.
Combination of searches for heavy resonances decaying to WW, WZ, ZZ, WH, and ZH boson pairs in proton-proton collisions at sqrt(s) = 8 and 13 TeV · Introduction · 0.93
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Negative results of these searches at 8 and 13have been reported by CMS [ref] and ATLAS [ref] .
Search for narrow H$\gamma$ resonances in proton-proton collisions at $\sqrt{s} =$ 13 TeV · Introduction · 0.83
What it cites · 23 sentences without a confident label
Uses the method or tool of 25 papers
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The asymptotic approximation [ref] of the LHC $CL_s$ criterion [ref] is used to set upper limits on the cross section for resonance production.
Confidence Level Computation for Combining Searches with Small Statistics · Results · 1.00
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Signal events are simulated using the 5.1.5.11 [ref] Monte Carlo event generator to generate partons that are then showered with 6.426 [ref] to produce final state particles.
MadGraph 5 : Going Beyond · Signal model and simulation · 1.00
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Signal events are simulated using the 5.1.5.11 [ref] Monte Carlo event generator to generate partons that are then showered with 6.426 [ref] to produce final state particles.
PYTHIA 6.4 Physics and Manual · Signal model and simulation · 1.00
Uses data or values from 2 papers
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Model independent limits on the cross section for the resonant production $ℓν+jets$ [ref] can be used to extract resonance mass limits on the processes $→$ and $→$ of 1.7and 1.1, respectively.
Search for massive resonances decaying into pairs of boosted bosons in semi-leptonic final states at sqrt(s) = 8 TeV · Introduction · 0.89
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The second is assumed to be similar to the mass selection efficiency of W jets estimated in Ref. [ref] , additionally accounting for the difference in fragmentation of light quarks and b quarks, which amounts to 2.6% per jet.
Identification techniques for highly boosted W bosons that decay into hadrons · Systematic uncertainties · 0.93
Cites as background 7 papers
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These models can be generalized in the heavy vector triplet (HVT) framework [ref] .
Heavy Vector Triplets: Bridging Theory and Data · Introduction · 0.84
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The composite Higgs [ref] and little Higgs models [ref] address the hierarchy problem and predict many new particles, including additional gauge bosons, e.g. heavy spin-1 $$ or $$ bosons ($'$).
General Composite Higgs Models · Introduction · 0.85
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The composite Higgs [ref] and little Higgs models [ref] address the hierarchy problem and predict many new particles, including additional gauge bosons, e.g. heavy spin-1 $$ or $$ bosons ($'$).
Composite Higgses · Introduction · 0.85
Discussion
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