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Top-Higgs and Top-pion phenomenology in the Top Triangle Moose model
High Energy Physics - Phenomenology · Submitted 31 Jan 2011
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In this paper, we study the properties of these particles, discuss their production mechanisms and decay modes, and suggest how best to search for them at the LHC.
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The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.
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The abstract, sentence by sentence
We discuss the deconstructed version of a topcolor-assisted technicolor model wherein the mechanism of top quark mass generation is separated from the rest of electroweak symmetry breaking. The minimal deconstructed version of this scenario is a "triangle moose" model, where the top quark gets its mass from coupling to a top-Higgs field, while the gauge boson masses are generated from a Higgsless sector. The spectrum of the model includes scalar (top-Higgs) and pseudoscalar (top-pion) states. In this paper, we study the properties of these particles, discuss their production mechanisms and decay modes, and suggest how best to search for them at the LHC.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We discuss the deconstructed version of a topcolor-assisted technicolor model wherein the mechanism of top quark mass generation is separated from the rest of electroweak symmetry breaking. | background 0.57 | 0.42 | 0.04 | asserted 0.88 |
| s1 | The minimal deconstructed version of this scenario is a "triangle moose" model, where the top quark gets its mass from coupling to a top-Higgs field, while the gauge boson masses are generated from a Higgsless sector. | method 0.68 | 0.23 | 0.08 | asserted 1.00 |
| s2 | The spectrum of the model includes scalar (top-Higgs) and pseudoscalar (top-pion) states. | background 0.43 | 0.34 | 0.06 | asserted 1.00 |
| s3 | In this paper, we study the properties of these particles, discuss their production mechanisms and decay modes, and suggest how best to search for them at the LHC. | contribution 0.99 | 0.86 | 0.19 | asserted 0.74 |
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The paper
Original abstract
We discuss the deconstructed version of a topcolor-assisted technicolor model wherein the mechanism of top quark mass generation is separated from the rest of electroweak symmetry breaking. The minimal deconstructed version of this scenario is a "triangle moose" model, where the top quark gets its mass from coupling to a top-Higgs field, while the gauge boson masses are generated from a Higgsless sector. The spectrum of the model includes scalar (top-Higgs) and pseudoscalar (top-pion) states. In this paper, we study the properties of these particles, discuss their production mechanisms and decay modes, and suggest how best to search for them at the LHC.
Human review
How the literature uses it
9 arXiv papers cite this in 27 sentences
Papers citing it · 19 sentences without a confident label
Builds on it 2 papers
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The model is a variant of that presented in Ref. [ref] as the “Top Triangle Moose Model", with one of the non-linear sigma model fields being replaced by a linear Higgs field.
The 2HDM Doppelganger · Introduction · 0.98
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Our goal in this paper is to further the phenomenological investigation of the top-pions and top-Higgs at the LHC that was started in [ref] .
Discovering Strong Top Dynamics at the LHC · Introduction · 0.96
Uses its method or tool 2 papers
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Following Refs. [ref] , we will treat $sinϕ$ in Eqn. [ref] as a small parameter and diagonalize the gauge boson mass matrices perturbatively in $sinϕ$ (which we will relabel as $x$ henceforth for notational simplicity).
The 2HDM Doppelganger · Gauge Sector · 0.98
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This theory, which combines Higgsless and topcolor models, can be used to investigate the phenomenology of TC2 theories [ref] and other theories with strong top dynamics, and we employ it in that capacity in this talk.
Topcolor in the LHC Era · Introduction · 0.81
Cites it as background 3 papers
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More details about the model can be found in Ref. [ref] .
Discovering Strong Top Dynamics at the LHC · Neutral top-pion phenomenology · 0.98
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The topcolor assisted technicolor (combines both technicolor and topcolor ingredients) was considered in [ref] .
Gauge theory of Lorentz group as a source of the dynamical electroweak symmetry breaking · Introduction · 0.96
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The so - called topcolor assisted technicolor that combines both technicolor and topcolor ingredients was considered, for example, in [ref] .
The Nambu sum rule and the relation between the masses of composite Higgs bosons · Introduction · 0.93
What it cites · 40 sentences without a confident label
Contests 1 paper
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Using the limit $BR(B_s →μ^+ μ^-)< 4.3 ×10^-8$ [ref] and the techniques[We disagree with the numerical extraction of the bound on $ε$ presented in [ref] , though we agree with their method.] of ref.
Constraints on two-lepton, two quark operators · Limits on $Δϵ^2_tL$: $ΔF=1$ · contest 0.72
Uses the method or tool of 5 papers
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We compute the cross section for $gg →H_t →WW$ according to the approximation [equation] where $Γ^SM(H →gg)$ is the SM partial width of $H$ to gluons computed using HDECAY [ref] , $Γ(H_t →gg)$ and BR($H_t →WW$) are the partial width of $H_t$ to gluons and the branching ratio of $H_t$ to $WW$, respectively, computed using our modified version of HDECAY, and $σ^SM(gg →H)$ is the SM Higgs gluon fusion cross section, which we take from Table 2 of Ref. [ref] for $M_H≤200$ GeV and compute using the public code RGHIGGS [ref] for $M_H> 200$ GeV.
Mixed QCD-electroweak corrections to Higgs boson production in gluon fusion · Tevatron limits from Higgs searches · 0.93
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We compute the cross section for $gg →H_t →WW$ according to the approximation [equation] where $Γ^SM(H →gg)$ is the SM partial width of $H$ to gluons computed using HDECAY [ref] , $Γ(H_t →gg)$ and BR($H_t →WW$) are the partial width of $H_t$ to gluons and the branching ratio of $H_t$ to $WW$, respectively, computed using our modified version of HDECAY, and $σ^SM(gg →H)$ is the SM Higgs gluon fusion cross section, which we take from Table 2 of Ref. [ref] for $M_H≤200$ GeV and compute using the public code RGHIGGS [ref] for $M_H> 200$ GeV.
Updated Predictions for Higgs Production at the Tevatron and the LHC · Tevatron limits from Higgs searches · 0.93
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We compute the cross section for $gg →H_t →WW$ according to the approximation [equation] where $Γ^SM(H →gg)$ is the SM partial width of $H$ to gluons computed using HDECAY [ref] , $Γ(H_t →gg)$ and BR($H_t →WW$) are the partial width of $H_t$ to gluons and the branching ratio of $H_t$ to $WW$, respectively, computed using our modified version of HDECAY, and $σ^SM(gg →H)$ is the SM Higgs gluon fusion cross section, which we take from Table 2 of Ref. [ref] for $M_H≤200$ GeV and compute using the public code RGHIGGS [ref] for $M_H> 200$ GeV.
HDECAY: a Program for Higgs Boson Decays in the Standard Model and its Supersymmetric Extension · Tevatron limits from Higgs searches · 0.93
Uses data or values from 4 papers
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We can now translate the Tevatron bounds on the cross-section [ref] into constraints on the $sinω$–$M_H_t$ parameter space as follows.
Combined Tevatron upper limit on gg->H->W+W- and constraints on the Higgs boson mass in fourth-generation fermion models · Tevatron limits from Higgs searches · 0.94
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The relevant limit is BR($t →Π_t^+ b) ≲0.2$ based on D0 data [ref] .
Search for charged Higgs bosons in top quark decays · Lower bound on the top-pion mass · 0.98
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The Tevatron experiments have searched for this process in the context of two-Higgs-doublet models and set upper bounds of about 10–20% on the branching fraction of $t →H^+ b$, with $H^+$ decaying to $τν$ or $c s̅$ [ref] - we can use this to set a lower bound on the top-pion mass.
Search for charged Higgs bosons in decays of top quarks in p-pbar collisions at sqrt(s) = 1.96 TeV · Lower bound on the top-pion mass · 0.90
Compares with 1 paper
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Comparing the branching ratio plot Fig. [ref] to the one for the heavy-$U$ in [ref] , we see that the branching ratio to $Wj$ is enhanced for the heavy-$T$, while that to $Zj$ is suppressed by roughly the same amount.
The Top Triangle Moose: Combining Higgsless and Topcolor Mechanisms for Mass Generation · Discovery prospects at the LHC · 0.95
Cites as background 13 papers
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The most economical deconstructed Higgsless model constructed along these lines (a “three site” model) was presented in [ref] , and had, in addition to the SM spectrum, one heavy partner for each fermion and the $W$ and $Z$ bosons.
A Three Site Higgsless Model · Introduction · 0.83
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Inspired by the idea that one could maintain perturbative unitarity in extra-dimensional models through heavy vector resonance exchanges in lieu of a Higgs [ref] , Higgsless models were intially introduced in an extra-dimensional context as $SU(2)×SU(2)×U(1)$ gauge theories living in a slice of $AdS_5$, with symmetry breaking codified in the boundary condition of the gauge fields [ref] .
A Flavor Protection for Warped Higgsless Models · Introduction · 0.96
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Inspired by the idea that one could maintain perturbative unitarity in extra-dimensional models through heavy vector resonance exchanges in lieu of a Higgs [ref] , Higgsless models were intially introduced in an extra-dimensional context as $SU(2)×SU(2)×U(1)$ gauge theories living in a slice of $AdS_5$, with symmetry breaking codified in the boundary condition of the gauge fields [ref] .
Unitarity of Compactified Five Dimensional Yang-Mills Theory · Introduction · 0.96
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