71 Result(s)
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Article
Z. K. Liu
Classical and Quantum Gravitation, Relativity Theory
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Open AccessErratum: Search for anomalous \( t\overline{t} \) production in the highly-boosted all-hadronic final state
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Open AccessMeasurement of the \( \mathrm{t}\overline{\mathrm{t}} \) production cross section in the all-jet final state in pp collisions at \( \sqrt{s}=7 \) TeV
A measurement is presented of the \( \mathrm{t}\overline{\mathrm{t}} \) production cross section \( \left( {{\sigma_{{\mathrm{t}\overline{\mathrm{t}}}}}} \right) \) ...
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Open AccessSearch for new physics in events with photons, jets, and missing transverse energy in pp collisions at \( \sqrt{s}=7 \) TeV
A search for physics beyond the standard model involving events with one or more photons, jets, and missing transverse energy has been performed by the CMS experiment. The data sample corresponds to an integra...
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Open AccessSearch for exotic resonances decaying into WZ/ZZ in pp collisions at \( \sqrt{s}=7 \) TeV
A search for new exotic particles decaying to the VZ final state is performed, where V is either a W or a Z boson decaying into two overlap** jets and the Z decays into a pair of electrons, muons or neutrino...
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Open AccessSearch for heavy quarks decaying into a top quark and a W or Z boson using lepton + jets events in pp collisions at \( \sqrt{s}=7 \) TeV
Results are presented from a search for the pair-production of heavy quarks, \( \mathrm{Q}\overline{\mathrm{Q}} \) , that decay exclusively into a top quark and a W or Z boson. The se...
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Open AccessSearch for supersymmetry in final states with missing transverse energy and 0, 1, 2, or ≥3 b-quark jets in 7 TeV pp collisions using the variable α T
A search for supersymmetry in final states with jets and missing transverse energy is performed in pp collisions at a centre-of-mass energy of ...
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Open AccessMeasurement of the top-quark mass in \( \mathrm{t}\overline{\mathrm{t}} \) events with lepton+jets final states in pp collisions at \( \sqrt{s}=7 \) TeV
The mass of the top quark is measured using a sample of \( \mathrm{t}\overline{\mathrm{t}} \) candidate events with one electron ...
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Open AccessObservation of Z decays to four leptons with the CMS detector at the LHC
The first observation of the Z boson decaying to four leptons in proton-proton collisions is presented. The analyzed data set corresponds to an integrated luminosity of 5.02 fb−1 at
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Open AccessSearch for resonant \( \mathrm{t}\overline{\mathrm{t}} \) production in lepton+jets events in pp collisions at \( \sqrt{s}=7 \) TeV
A model-independent search for the production of heavy resonances decaying into top-antitop quark pairs is presented. The search is based on events containing one lepton (muon or electron) and at least two jet...
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Open AccessSearch for new physics with long-lived particles decaying to photons and missing energy in pp collisions at \( \sqrt{s}=7 \) TeV
A search is performed for long-lived neutral particles decaying into a photon and invisible particles. An example of such a signature is the decay of the lightest neutralino with nonzero lifetime into a gravit...
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Open AccessSearch for electroweak production of charginos and neutralinos using leptonic final states in pp collisions at \( \sqrt{s}=7 \) TeV
The 2011 dataset of the CMS experiment, consisting of an integrated luminosity of 4.98 fb−1 of pp collisions at \( \sqrt{s}=7 \) ...
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Open AccessSearch for the standard model Higgs boson produced in association with W and Z bosons in pp collisions at \( \sqrt{s}=7 \) TeV
A search for the Higgs boson produced in association with a W or Z boson in proton-proton collisions at a center-of-mass energy of 7 TeV is performed with the CMS detector at the LHC using the full 2011 data s...
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Open AccessSearch for exclusive or semi-exclusive γγ production and observation of exclusive and semi-exclusive e+e− production in pp collisions at \( \sqrt{s}=7 \) TeV
A search for exclusive or semi-exclusive γγ production, pp → p(*) + γγ + p(*) (where p* stands for a diffractively-dissociated proton), and the observation of exclusive and semi-exclusive e+e− production, pp → p(...
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Open AccessMeasurement of the \( \mathrm{t}\overline{\mathrm{t}} \) production cross section in the dilepton channel in pp collisions at \( \sqrt{s}=7 \) TeV
The \( \mathrm{t}\overline{\mathrm{t}} \) production cross section ...
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Open AccessMeasurement of jet fragmentation into charged particles in pp and PbPb collisions at \( \sqrt{{{s_{\mathrm{NN}}}}} = 2.76 \) TeV
Jet fragmentation in pp and PbPb collisions at a centre-of-mass energy of 2.76 TeV per nucleon pair was studied using data collected with the CMS detector at the LHC. Fragmentation functions are constructed us...
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Open AccessSearch for supersymmetry in hadronic final states using M T2 in pp collisions at \( \sqrt{s}=7 \) TeV
A search for supersymmetry or other new physics resulting in similar final states is presented using a data sample of 4.73 fb−1 of pp collisions collected at ...
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Open AccessSearch for a fermiophobic Higgs boson in pp collisions at \( \sqrt {s} = 7 \) TeV
Combined results are reported from searches for a fermiophobic Higgs boson in the γγ, WW, and ZZ decay modes in proton-proton collisions at $ ...
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Open AccessSearch for dark matter and large extra dimensions in monojet events in pp collisions at \( \sqrt {s} = {7} \) TeV
A search has been made for events containing an energetic jet and an imbalance in transverse momentum using a data sample of pp collisions at a center-of-mass energy of 7 TeV. This signature is common to both ...
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Open AccessSearch for anomalous \( t\overline t \) production in the highly-boosted all-hadronic final state
A search is presented for a massive particle, generically referred to as a Z′, decaying into a \( {\mathrm{t}}\overline {\mathrm{t}} \) ...
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Open AccessMeasurement of the underlying event activity in pp collisions at \( \sqrt {s} = 0.9 \) and 7 TeV with the novel jet-area/median approach
The first measurement of the charged component of the underlying event using the novel “jet-area/median” approach is presented for proton-proton collisions at centre-of-mass energies of 0.9 and 7 TeV. The data...
