Measurement of the top quark pair production cross section in dilepton final states containing one τ lepton in pp collisions at s√ = 13 TeV
| dc.contributor.author | CMS Collaboration | |
| dc.date.accessioned | 2022-08-30T19:06:28Z | |
| dc.date.available | 2022-08-30T19:06:28Z | |
| dc.date.issued | 2020-02-28 | |
| dc.identifier.citation | The CMS collaboration., Sirunyan, A.M., Tumasyan, A. et al. Measurement of the top quark pair production cross section in dilepton final states containing one τ lepton in pp collisions at s√ = 13 TeV. J. High Energ. Phys. 2020, 191 (2020). https://doi.org/10.1007/JHEP02(2020)191 | en_US |
| dc.identifier.uri | http://hdl.handle.net/1808/33363 | |
| dc.description.abstract | The cross section of top quark pair production is measured in the tt¯→(ℓνℓ)(τhντ)bb¯¯¯ final state, where τh refers to the hadronic decays of the τ lepton, and ℓ is either an electron or a muon. The data sample corresponds to an integrated luminosity of 35.9 fb−1 collected in proton-proton collisions at s√ = 13 TeV with the CMS detector. The measured cross section is σtt¯ = 781 ± 7 (stat) ± 62 (syst) ± 20 (lumi) pb, and the ratio of the partial width Γ(t → τντb) to the total decay width of the top quark is measured to be 0.1050 ± 0.0009 (stat) ± 0.0071 (syst). This is the first measurement of the tt¯ production cross section in proton-proton collisions at s√ = 13 TeV that explicitly includes τ leptons. The ratio of the cross sections in the ℓτh and ℓℓ final states yields a value Rℓτh/ll = 0.973 ± 0.009 (stat) ± 0.066 (syst), consistent with lepton universality. | en_US |
| dc.publisher | Springer | en_US |
| dc.rights | Copyright CERN, for the benefit of the CMS Collaboration. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0). | en_US |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | en_US |
| dc.subject | Hadron-Hadron scattering (experiments) | en_US |
| dc.subject | Top physics | en_US |
| dc.title | Measurement of the top quark pair production cross section in dilepton final states containing one τ lepton in pp collisions at s√ = 13 TeV | en_US |
| dc.type | Article | en_US |
| kusw.kuauthor | Bean, Alice Louise | |
| kusw.kudepartment | Physics & Astronomy | en_US |
| dc.identifier.doi | 10.1007/JHEP02(2020)191 | en_US |
| kusw.oaversion | Scholarly/refereed, publisher version | en_US |
| kusw.oapolicy | This item meets KU Open Access policy criteria. | en_US |
| dc.rights.accessrights | openAccess | en_US |
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Except where otherwise noted, this item's license is described as: Copyright CERN, for the benefit of the CMS Collaboration. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0).
