[PDF] Top 20 Measurement of the production cross section for single top quarks in association with W bosons in proton-proton collisions at root s=13 TeV

... from the Marie-Curie programme and the European Research Council and Horizon 2020 Grant, contract ...Union); the Leventis Foundation; the A. P. Sloan Foundation; the Alexander von ... See full document

... estimate the acceptance and efficiency of the CMS detector. The corresponding MC events are passed through a detailed Geant4 [ 27 ] simula- tion of the CMS detector and ... See full document

... SM cross section for t ¯ tt ¯ t production is approximately five orders of magnitude smaller than that for t ¯ t, and t ¯ tt ¯ t production has not yet been ...t production ... See full document

... for the single production of vector-like quarks in proton–proton collisions at √ s = 13 ...TeV. The data, corresponding to ... See full document

... Measurements of vector boson production in association with jets provide fundamental tests of quantum chromodynamics ...(QCD). The high centre-of-mass energy ... See full document

... investigate the applicability of the QCD background estimation in data, we apply the average b-tagging rate to control regions of the t-tagging selection defined in ... See full document

... to the signal sample can be divided into two classes, reducible and irreducible, and are estimated respectively from data and MC ...as the associated production of an electroweak boson ... See full document

... ence of a muon (µ), a photon (γ), an imbalance in transverse momentum from an undetected neutrino (ν), and at least two jets (j) of which exactly one is identified as associated with ... See full document

... A measurement of the electroweak (EW) pro- duction of two jets in association with a Z boson in proton- proton collisions at √ s ... See full document

... evidence of events consistent with the production of a single top quark in association with a photon is ...reported. The analysis is based on ... See full document

... sources of systematic uncertainty include the uncertainties in the background normalisation, the b-tagging efficiency, the modelling of the Wb contribution ... See full document

... The top quark mass is measured in a sample enriched in events with a single top quark for the first ...time. Top quarks are reconstructed from decays ... See full document

... a W boson, which is produced singly in association with a light flavor quark and a b ...quark. The analysis is performed using a data sample of proton–proton ... See full document

... M. Romano 22a,22b , S.M. Romano Saez 37 , E. Romero Adam 170 , N. Rompotis 140 , M. Ronzani 51 , L. Roos 83 , E. Ros 170 , S. Rosati 134a , K. Rosbach 51 , P. Rose 139 , N.-A. Rosien 58 , V. Rossetti 148a,148b , ... See full document

... modes of the Higgs boson have been analyzed. In particular, the searches have been optimized for the H → γγ, H → bb, H → WW, and H → τ τ decay ...modes. The results are ... See full document

... for the production of single-top-quarks in association with missing energy is performed in proton–proton collisions at a ... See full document

... processes in the single-lepton search can be divided into four cate- ...gories. At preselection, the dominant contribution (∼ 66% of the total) is the tt ... See full document

... in the CMS detector. The branching fraction to such an invisible particle and a photon, B(H → invisible + γ), can be as large as 5%, and be consistent with all model parameters and current LHC ... See full document

... signature of exactly one electron and one muon with opposite electric charge, and missing transverse momentum can be produced by a variety of SM processes which are treated as back- ...grounds. ... See full document

... and W+jets processes contribute to the background mainly when one or more jets are misidentified as electron or (less likely) as muon candidates; the contri- butions are estimated using the ... See full document