Searcy, J. (2012) Measurement of the top-quark pair production cross section in pp collisions at √s = 7TeV in μ + τ final states with ATLAS. Il nuovo cimento C, 35 (3). pp. 233-236. ISSN 1826-9885
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Abstract
A measurement of the cross section of top quark pair production in proton-proton collisions at a center-of-mass of 7TeV at the LHC using events with an isolated μ and a τ lepton decaying hadronically is reported. In addition to a μ and a τ lepton, large missing transverse energy and two or more jets are required. At least one of the jets must be identified as originating from a b quark. To identify τ leptons, the analysis uses a multivariate technique based on boosted decision trees. A data sample collected by ATLAS corresponding to an integrated luminosity of 1.08 fb−1 yields σt¯t = 142 ± 21(stat.) ±20 16 (syst.) ± 5 (lumi.) pb.
| Item Type: | Article |
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| Uncontrolled Keywords: | Top quarks ; Taus |
| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 21 Apr 2020 15:37 |
| Last Modified: | 21 Apr 2020 15:37 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/17867 |
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