Please use this identifier to cite or link to this item:
https://hdl.handle.net/11147/7715
Title: | Observation of T¯th Production | Authors: | CMS Collaboration Karapınar, Güler |
Keywords: | Higgs boson Particle production Top quarks Z bosons |
Publisher: | American Physical Society | Source: | Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., Brandstetter, J. ...CMS Collaboration (2018). Observation of t¯tH production. Physical Review Letters, 120(23). doi:10.1103/PhysRevLett.120.231801 | Abstract: | The observation of Higgs boson production in association with a top quark-antiquark pair is reported, based on a combined analysis of proton-proton collision data at center-of-mass energies of s=7, 8, and 13 TeV, corresponding to integrated luminosities of up to 5.1, 19.7, and 35.9 fb-1, respectively. The data were collected with the CMS detector at the CERN LHC. The results of statistically independent searches for Higgs bosons produced in conjunction with a top quark-antiquark pair and decaying to pairs of W bosons, Z bosons, photons, τ leptons, or bottom quark jets are combined to maximize sensitivity. An excess of events is observed, with a significance of 5.2 standard deviations, over the expectation from the background-only hypothesis. The corresponding expected significance from the standard model for a Higgs boson mass of 125.09 GeV is 4.2 standard deviations. The combined best fit signal strength normalized to the standard model prediction is 1.26-0.26+0.31. | URI: | https://doi.org/10.1103/PhysRevLett.120.231801 https://hdl.handle.net/11147/7715 |
ISSN: | 0031-9007 1079-7114 0031-9007 |
Appears in Collections: | Mathematics / Matematik PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Rectorate / Rektörlük Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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PhysRevLett.120.231801.pdf | Makale (Article) | 530.9 kB | Adobe PDF | ![]() View/Open |
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