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Search for resonant ttbar production in ppbar collisions at sqrt{s}=1.96 TeV
High Energy Physics - Experiment · Submitted 5 Sep 2007
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Assuming a specific topcolor-assisted technicolor production model, the leptophobic Z' with width \Gamma_{Z'}=0.012M_{Z'}, we exclude the mass range M_{Z'} < 725 GeV/c^2 at the 95% confidence level.
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The abstract, sentence by sentence
We report on a search for narrow-width particles decaying to a top and antitop quark pair. The data set used in the analysis corresponds to an integrated luminosity of 680 pb^{-1} collected with the Collider Detector at Fermilab in Run II. We present 95% confidence level upper limits on the cross section times branching ratio. Assuming a specific topcolor-assisted technicolor production model, the leptophobic Z' with width \Gamma_{Z'}=0.012M_{Z'}, we exclude the mass range M_{Z'} < 725 GeV/c^2 at the 95% confidence level.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We report on a search for narrow-width particles decaying to a top and antitop quark pair. | contribution 1.00 | 0.91 | 0.04 | asserted 0.76 |
| s1 | The data set used in the analysis corresponds to an integrated luminosity of 680 pb^{-1} collected with the Collider Detector at Fermilab in Run II. | method 1.00 | 0.71 | 0.02 | asserted 1.00 |
| s2 | We present 95% confidence level upper limits on the cross section times branching ratio. | result 0.83 | 0.95 | 0.11 | asserted 0.97 |
| s3 | Assuming a specific topcolor-assisted technicolor production model, the leptophobic Z' with width \Gamma_{Z'}=0.012M_{Z'}, we exclude the mass range M_{Z'} < 725 GeV/c^2 at the 95% confidence level. | result 0.97 | 0.92 | 0.87 | asserted 1.00 |
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The paper
Original abstract
We report on a search for narrow-width particles decaying to a top and antitop quark pair. The data set used in the analysis corresponds to an integrated luminosity of 680 pb^{-1} collected with the Collider Detector at Fermilab in Run II. We present 95% confidence level upper limits on the cross section times branching ratio. Assuming a specific topcolor-assisted technicolor production model, the leptophobic Z' with width \Gamma_{Z'}=0.012M_{Z'}, we exclude the mass range M_{Z'} < 725 GeV/c^2 at the 95% confidence level.
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References
How the literature uses it
25 arXiv papers cite this in 29 sentences
Papers citing it · 19 sentences without a confident label
Uses its method or tool 1 paper
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CDF uses [ref] a matrix element technique similar to the one developed for the top-quark mass measurement as described in Sec. [ref].
Top Quark Physics at the Tevatron · Search for Resonances · 0.96
Uses its data or values 3 papers
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The CDF search of this type [ref] , with 680 pb$^-1$ of data, yielded 13 events with $WbWb$ invariant masses in the 750 - 1000 GeV range, while the estimated background is approximately 5 events.
Prospects for top-prime quark discovery at the Tevatron · The $t^'$ search in the $(Wj)(Wj)$ final state at the Tevatron · 0.95
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Using 0.68 , the data, shown in Fig. [ref], is found to be consistent with SM expectations and CDF excludes a leptophobic top-color resonance candidate with a mass less than 725 [ref] at the $95%$ confidence level.
Top Quark Physics at the Tevatron · Search for Resonances · 0.80
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So the latest results both of the D0 [ref] and of the CDF [ref] Collaborations show some excess in the invariant mass distributions around 700 GeV (Fig. [ref]).
The ILC Energy Requirements from the Constraints on New Boson Production at the Tevatron · Tevatron constraints · 0.85
Compares with it 5 papers
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Note that the cross section stays below $0.2$ for the entire range of $m_$, which is below the lower bounds in [ref] .
Colored Resonances at the Tevatron: Phenomenology and Discovery Potential in Multijets · Constraints on the $$ Particle · 0.90
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Current bounds from the Tevatron are more than an order of magnitude weaker than this [ref] .
Top quark asymmetry from a non-Abelian horizontal symmetry · LHC and Discussion · 0.90
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In Model 5, a search for a $Z'→tt̅$ resonance, the signal appears at large summed scalar transverse momentum in a particular final state, resulting in comparable sensitivity between and the targeted analysis [ref] .
Model Independent Search For New Physics At The Tevatron · Specific models of new physics · 0.96
Cites it as background 1 paper
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Previous searches mostly considered cases where in one or both of the top-quark decays, the intermediate $W$ boson decays leptonically and hence the top-quark decays result in one or two isolated leptons, missing energy from the neutrinos, and jets in the final state [ref] .
Search for resonances decaying into top-quark pairs using fully hadronic decays in pp collisions with ATLAS at sqrt(s) = 7 TeV · Introduction · 0.98
What it cites · 1 sentence without a confident label
Compares with 1 paper
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The predicted and observed upper limits at 95% CL are shown in Fig. [ref], together with the theoretical prediction for the cross section as a function of mass in the leptophobic $Z'$ model (with $Γ_Z'=0.012 M_Z'$) [ref] .
Cross Section for Topcolor Z' decaying to top-antitop · Introduction · 0.83
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