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Measurement of the tt¯ production cross section in the τ+jets final state in pp collisions at √s =8 TeV using the ATLAS detector M. Aaboud, G. Aad, B. Abbott [et.al.]

Contributor(s): Aaboud, M | Abbott, B | Chelkov, G. A | Aad, G | Vaniachine, AMaterial type: ArticleArticleSubject(s): ATLAS, детектор | Большой адронный коллайдер | протон-протонные столкновенияGenre/Form: статьи в журналах Online resources: Click here to access online In: Physical Review D Vol. 95, № 7. P. 072003-1-072003-26Abstract: The top-quark pair production cross section is measured in final states with one electron or muon and one hadronically decaying τ lepton from the process tt → (`ν`)(τντ)bb, where ` = e, µ. The data sample corresponds to an integrated luminosity of 19.6 fb−1 collected with the CMS detector in proton-proton collisions at √ s = 8 TeV. The measured cross section σtt = 257 ± 3 (stat) ± 24 (syst) ± 7 (lumi) pb, assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction.
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The top-quark pair production cross section is measured in final states with one electron or muon and one hadronically decaying τ lepton from the process tt → (`ν`)(τντ)bb, where ` = e, µ. The data sample corresponds to an integrated luminosity
of 19.6 fb−1 collected with the CMS detector in proton-proton collisions at √ s = 8 TeV. The measured cross section σtt = 257 ± 3 (stat) ± 24 (syst) ± 7 (lumi) pb, assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction.

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