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M. L. Vesterbacka Olsson

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DOI: 10.3929/ethz-b-000271889
2018
Cited 16 times
Observation of ttH Production
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^(+0.31)_(−0.26).
DOI: 10.3929/ethz-b-000235748
2018
Search for resonant and nonresonant Higgs boson pair production in the bbℓνℓν final state in proton-proton collisions at s√=13 TeV
DOI: 10.3929/ethz-b-000345484
2018
Search for new long-lived particles at s=13 TeV
DOI: 10.3929/ethz-b-000304146
2018
Performance of reconstruction and identification of leptons decaying to hadrons and in pp collisions at √s=13 TeV
DOI: 10.3929/ethz-b-000242166
2018
Search for Higgsino pair production in collisions at √s=13 TeV in final states with large missing transverse momentum and two Higgs bosons decaying via H→bb̄
DOI: 10.3929/ethz-b-000460144
2020
Observation of electroweak production of Wγ with two jets in proton-proton collisions at √s = 13 TeV
DOI: 10.3929/ethz-b-000411794
2020
Search for supersymmetry in pp collisions at root s=13 TeV with 137 fb(-1) in final states with a single lepton using the sum of masses of large-radius jets