Observation of tW production in the single-lepton channel in pp collisions at √s = 13 TeV; Journal of High Energy Physics; Vol. 2021, iss. 11
| Parent link: | Journal of High Energy Physics Vol. 2021, iss. 11.— 2021.— [111, 39 p.] |
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| Yhteisötekijä: | |
| Muut tekijät: | , , , , |
| Yhteenveto: | Title screen A measurement of the cross section of the associated production of a single top quark and a W boson in final states with a muon or electron and jets in proton-proton collisions at √s = 13 TeV is presented. The data correspond to an integrated luminosity of 36 fb−1 collected with the CMS detector at the CERN LHC in 2016. A boosted decision tree is used to separate the tW signal from the dominant tt¯t¯ background, whilst the subleading W+jets and multijet backgrounds are constrained using data-based estimates. This result is the first observation of the tW process in final states containing a muon or electron and jets, with a significance exceeding 5 standard deviations. The cross section is determined to be 89 ± 4 (stat) ± 12 (syst) pb, consistent with the standard model. |
| Kieli: | englanti |
| Julkaistu: |
2021
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| Aiheet: | |
| Linkit: | https://doi.org/10.1007/JHEP11(2021)111 |
| Aineistotyyppi: | Elektroninen Kirjan osa |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668745 |
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| 200 | 1 | |a Observation of tW production in the single-lepton channel in pp collisions at √s = 13 TeV |f A. R. Tumasyan, W. Adam, J. W. Andrejkovic [et al.] | |
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| 300 | |a Title screen | ||
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| 330 | |a A measurement of the cross section of the associated production of a single top quark and a W boson in final states with a muon or electron and jets in proton-proton collisions at √s = 13 TeV is presented. The data correspond to an integrated luminosity of 36 fb−1 collected with the CMS detector at the CERN LHC in 2016. A boosted decision tree is used to separate the tW signal from the dominant tt¯t¯ background, whilst the subleading W+jets and multijet backgrounds are constrained using data-based estimates. This result is the first observation of the tW process in final states containing a muon or electron and jets, with a significance exceeding 5 standard deviations. The cross section is determined to be 89 ± 4 (stat) ± 12 (syst) pb, consistent with the standard model. | ||
| 461 | |t Journal of High Energy Physics | ||
| 463 | |t Vol. 2021, iss. 11 |v [111, 39 p.] |d 2021 | ||
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