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Measurement of the Top Pair Production Cross section at ATLAS
High Energy Physics - Experiment · Submitted 18 Sep 2011
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The combined result from these measurements is $\sigma_{t\bar{t}}$ = $176 \pm 5 \mathrm{(stat.)} ^{+13}_{-10}\mathrm{(syst.)} \pm 7 \mathrm{(lumi.)} \mathrm{pb}$, which is in good agreement with the Standard Model prediction.
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The abstract, sentence by sentence
We present the measurement of the production cross section for top quark pair ($t\bar{t}$) in pp collisions at $\sqrt{s}$ = 7 TeV using the data recorded with the ATLAS detector at the Large Hadron Collider (LHC). Events are selected in single lepton (electron or muon) and dilepton ($ee$, $\mu\mu$, $e\mu$) topologies with multi-jets, and large missing transverse energy (MET). The combined result from these measurements is $\sigma_{t\bar{t}}$ = $176 \pm 5 \mathrm{(stat.)} ^{+13}_{-10}\mathrm{(syst.)} \pm 7 \mathrm{(lumi.)} \mathrm{pb}$, which is in good agreement with the Standard Model prediction.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We present the measurement of the production cross section for top quark pair ($t\bar{t}$) in pp collisions at $\sqrt{s}$ = 7 TeV using the data recorded with the ATLAS detector at the Large Hadron Collider (LHC). | contribution 1.00 | 0.96 | 0.06 | asserted 1.00 |
| s1 | Events are selected in single lepton (electron or muon) and dilepton ($ee$, $\mu\mu$, $e\mu$) topologies with multi-jets, and large missing transverse energy (MET). | method 1.00 | 0.82 | 0.02 | asserted 0.99 |
| s2 | The combined result from these measurements is $\sigma_{t\bar{t}}$ = $176 \pm 5 \mathrm{(stat.)} ^{+13}_{-10}\mathrm{(syst.)} \pm 7 \mathrm{(lumi.)} \mathrm{pb}$, which is in good agreement with the Standard Model prediction. | result 1.00 | 0.97 | 0.93 | asserted 0.99 |
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The paper
Original abstract
We present the measurement of the production cross section for top quark pair ($t\bar{t}$) in pp collisions at $\sqrt{s}$ = 7 TeV using the data recorded with the ATLAS detector at the Large Hadron Collider (LHC). Events are selected in single lepton (electron or muon) and dilepton ($ee$, $\mu\mu$, $e\mu$) topologies with multi-jets, and large missing transverse energy (MET). The combined result from these measurements is $\sigma_{t\bar{t}}$ = $176 \pm 5 \mathrm{(stat.)} ^{+13}_{-10}\mathrm{(syst.)} \pm 7 \mathrm{(lumi.)} \mathrm{pb}$, which is in good agreement with the Standard Model prediction.
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How the literature uses it
1 arXiv paper cite this in 1 sentence
Papers whose main result relates to this one's
States the same result 1 paper
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Using a data sample corresponding to an integrated luminosity of 0.70 fb^-1, a t-tbar production cross section sigmattbar=176 +/-5 (stat) +14 -11 (syst) +/- 8 (lum.) pb is measured for an assumed top-quark mass of m_t = 172.5 GeV.
What it cites · 1 sentence without a confident label
Uses the method or tool of 1 paper
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We built a likelihood (LH) discriminant from the above input variables, following the projective LH approach using the TMVA package [ref] .
TMVA - Toolkit for Multivariate Data Analysis · Single lepton channel · 1.00
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