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Titles listMeasurement of the cross section for top-quark pair production in pp collisions at √s=7TeV with...
Titles listMeasurement of the cross section for top-quark pair production in pp collisions at √s=7TeV with...
Scientific Article
unige:40284 
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Measurement of the cross section for top-quark pair production in pp collisions at √s=7TeV with the ATLAS detector using final states with two high-pT leptons |
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| Collaboration | With : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Barone, Gaetano / Bell, Paul / Bell, William / Benhar Noccioli, Eleonora / Blondel, Alain / Bucci, Francesca / Clark, Allan Geoffrey / Dao, Valerio / Doglioni, Caterina / Ferrere, Didier / Gadomski, Szymon / Gaumer, Olivier / Gonzalez Sevilla, Sergio / Goulette, Marc / Iacobucci, Giuseppe / La Rosa, Alessandro / Leger, Annie / Lister, Alison / Martin Dit Latour, Bertrand / Mermod, Philippe / Mora Herrera, Maria Clemencia Rosario / Nektarijevic, Snezana / Nikolics, Katalin / Pasztor, Arpad / Pohl, Martin / Rosbach, Kilian / Rosselet, Laurent / Wu, Xin | |
| Published in | Journal of High Energy Physics. 2012, vol. 05, no. 059, p. 34 | |
| Abstract | A measurement is reported of the production cross section of top-quark pairs (tt) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. Candidate events have a signature consistent with containing two isolated leptons, large missing transverse momentum, and at least two jets. Using a data sample corresponding to an integrated luminosity of 0.70 fb−1, a tt production cross section σtt=176±5(stat.)+14−11(syst.)±8(lum.) pb is measured for an assumed top-quark mass of m t = 172.5 GeV. This measurement is in good agreement with Standard Model predictions. | |
| Keywords | Hadron-Hadron Scattering | |
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Article (Published version) (656 Kb) - Limited access to UNIGE Other version: http://link.springer.com/article/10.1007%2FJHEP05%282012%29059 |
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| Citation (ISO format) | ATLAS COLLABORATION. Measurement of the cross section for top-quark pair production in pp collisions at √s=7TeV with the ATLAS detector using final states with two high-pT leptons. In: Journal of High Energy Physics, 2012, vol. 05, n° 059, p. 34. https://archive-ouverte.unige.ch/unige:40284 |
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