Search
Results
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Searches for light- and heavy-flavour three-jet resonances in pp collisions at √s=8TeV
(2014)Physics Letters BA search for three-jet hadronic resonance production in pp collisions at a centre-of-mass energy of 8 TeV has been conducted by the CMS Collaboration at the LHC with a data sample corresponding to an integrated luminosity of 19.4 fb(-1). The search method is model independent, and events are selected that have high jet multiplicity and large values of jet transverse momenta. The signal models explored assume R-parity-violating supersymmetric ...Journal Article -
Study of double parton scattering using W + 2-jet events in proton-proton collisions at √s = 7 TeV
(2014)Journal of High Energy PhysicsDouble parton scattering is investigated in proton-proton collisions at s√ = 7 TeV where the final state includes a W boson, which decays into a muon and a neutrino, and two jets. The data sample corresponds to an integrated luminosity of 5 fb−1, collected with the CMS detector at the LHC. Observables sensitive to double parton scattering are investigated after being corrected for detector effects and selection efficiencies. The fraction ...Journal Article -
Measurement of the tt ¯ production cross section in the dilepton channel in pp collisions at root s=8 TeV
(2014)Journal of High Energy PhysicsThe top-antitop quark (tt¯) production cross section is measured in proton-proton collisions at s√ = 8 TeV with the CMS experiment at the LHC, using a data sample corresponding to an integrated luminosity of 5.3 fb−1. The measurement is performed by analysing events with a pair of electrons or muons, or one electron and one muon, and at least two jets, one of which is identified as originating from hadronisation of a bottom quark. The ...Journal Article -
Studies of azimuthal dihadron correlations in ultra-central PbPb collisions at √sNN=2.76 TeV
(2014)Journal of High Energy PhysicsAzimuthal dihadron correlations of charged particles have been measured in PbPb collisions at sNN−−−−√ = 2.76TeV by the CMS collaboration, using data from the 2011 LHC heavy-ion run. The data set includes a sample of ultra-central (0-0.2% centrality) PbPb events collected using a trigger based on total transverse energy in the hadron forward calorimeters and the total multiplicity of pixel clusters in the silicon pixel tracker. A total ...Journal Article -
Erratum: Measurement of the tt¯ production cross section in the dilepton channel in pp collisions at √s = 8 TeV (vol 2, 024, 2014)
(2014)Journal of High Energy PhysicsOther Journal Item -
Measurement of associated W + charm production in pp collisions at √s = 7 TeV
(2014)Journal of High Energy PhysicsMeasurements are presented of the associated production of a W boson and a charm-quark jet (W + c) in pp collisions at a center-of-mass energy of 7 TeV. The analysis is conducted with a data sample corresponding to a total integrated luminosity of 5 fb−1, collected by the CMS detector at the LHC. W boson candidates are identified by their decay into a charged lepton (muon or electron) and a neutrino. The W + c measurements are performed ...Journal Article -
Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states
(2014)Journal of High Energy PhysicsA search for the standard model Higgs boson decaying to a W-boson pair at the LHC is reported. The event sample corresponds to an integrated luminosity of 4.9 fb−1 and 19.4 fb−1 collected with the CMS detector in pp collisions at s√ = 7 and 8 TeV, respectively. The Higgs boson candidates are selected in events with two or three charged leptons. An excess of events above background is observed, consistent with the expectation from the ...Journal Article -
Measurement of the Wγ and Zγ inclusive cross sections in pp collisions at √s=7 TeV and limits on anomalous triple gauge boson couplings
(2014)Physical Review DMeasurements of Wγ and Zγ production in proton-proton collisions at √s=7 TeV are used to extract limits on anomalous triple gauge couplings. The results are based on data recorded by the CMS experiment at the LHC that correspond to an integrated luminosity of 5.0 fb−1. The cross sections are measured for photon transverse momenta pγT>15 GeV, and for separations between photons and final-state charged leptons in the pseudorapidity-azimuthal ...Journal Article -
Search for new physics in events with same-sign dileptons and jets in pp collisions at √8 = 8 TeV
(2014)Journal of High Energy PhysicsA search for new physics is performed based on events with jets and a pair of isolated, same-sign leptons. The results are obtained using a sample of proton-proton collision data collected by the CMS experiment at a centre-of-mass energy of 8 TeV at the LHC, corresponding to an integrated luminosity of 19.5 fb−1. In order to be sensitive to a wide variety of possible signals beyond the standard model, multiple search regions defined by ...Journal Article