131 Result(s)
within
**-sen Xu
Astronomy, Astrophysics and Cosmology
Nuclear Physics, Heavy Ions, Hadrons
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Article
Open AccessMeasurement of the \(\mathrm{{t\bar{t}}}\) production cross section in pp collisions at \(\sqrt{s}=7\) TeV using the kinematic properties of events with leptons and jets
A measurement of the \(\mathrm{t{\bar{t}}}\) production cross section in proton-proton collisions at a centre-of-mass energy of 7...
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Article
Open AccessForward energy flow, central charged-particle multiplicities, and pseudorapidity gaps in W and Z boson events from pp collisions at \(\sqrt{s}= 7\) TeV
A study of forward energy flow and central charged-particle multiplicity in events with W and Z bosons decaying into leptons is presented. The analysis uses a sample of 7 TeV pp collisions, corresponding to an...
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Article
Open AccessStudy of high-p T charged particle suppression in PbPb compared to pp collisions at \(\sqrt{s_{\mathrm{NN}}}=2.76~\mathrm{TeV}\)
The transverse momentum spectra of charged particles have been measured in pp and PbPb collisions at \(\sqrt{s_{NN}}=2.76~\mathrm{TeV}\) ...
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Article
Open AccessA search for a doubly-charged Higgs boson in pp collisions at \(\sqrt{s} = 7 \ \mbox{TeV}\)
A search for a doubly-charged Higgs boson in pp collisions at \(\sqrt{s} = 7 \ \mbox{TeV}\) is presented. The data correspond to ...
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Article
Open AccessSearch for supersymmetry in pp collisions at \(\sqrt{s} =7\) TeV in events with a single lepton, jets, and missing transverse momentum
Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large missing transverse momentum. Th...
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Open AccessSearch for a standard-model-like Higgs boson with a mass in the range 145 to 1000 GeV at the LHC
A search for a standard-model-like Higgs boson in the H→WW and H→ZZ decay channels is reported, for Higgs boson masses in the range 145<m H<1000 GeV. The search is based upon proton–proton collisi...
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Article
Open AccessMeasurement of the top-quark mass in all-jets \(\hbox {t}\bar{\mathrm{t}}\) events in pp collisions at \(\sqrt{s}=7\) TeV
The mass of the top quark is measured using a sample of \(\hbox {t}\bar{\mathrm{t}}\) ...
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Article
Open AccessStudy of the production of charged pions, kaons, and protons in pPb collisions at \(\sqrt{s_{NN}} =\; \) 5.02 \(\,\text {TeV}\)
Spectra of identified charged hadrons are measured in pPb collisions with the CMS detector at the LHC at $$\sqrt{s_{NN}} =5.02\,\text ...
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Article
Open AccessStudies of dijet transverse momentum balance and pseudorapidity distributions in pPb collisions at \(\sqrt{s_{\mathrm{NN}}} = 5.02\) \(\,\text {TeV}\)
Dijet production has been measured in \(\mathrm {p}\mathrm {Pb}\) ...
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Article
Open AccessSearch for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes
A search for invisible decays of Higgs bosons is performed using the vector boson fusion and associated ZH production modes. In the ZH mode, the Z boson is required to decay to a pair of charged leptons or a ...
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Article
Open AccessMeasurement of differential cross sections for the production of a pair of isolated photons in pp collisions at \(\sqrt{s}=7\,\text {TeV} \)
A measurement of differential cross sections for the production of a pair of isolated photons in proton–proton collisions at $$\sqrt{s...
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Article
Open AccessThe Physics of the B Factories
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Article
Open AccessMeasurement of electroweak production of two jets in association with a Z boson in proton–proton collisions at \(\sqrt{s}=8\,\text {TeV}\)
The purely electroweak (EW) cross section for the production of two jets in association with a Z boson, in proton–proton collisions at ...
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Article
Open AccessSearch for dark matter, extra dimensions, and unparticles in monojet events in proton–proton collisions at \(\sqrt{s} = 8\) \(\,{\mathrm{TeV}}\,\)
Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing a jet and an imbalance in transverse momentum. The data were collected by the CMS de...
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Article
Open AccessEvent generator tunes obtained from underlying event and multiparton scattering measurements
New sets of parameters (“tunes”) for the underlying-event (UE) modelling of the pythia8, pythia6 and herwig++ Monte Carlo event generators are constructed using different parton distribution functions. Combined f...
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Article
Open AccessMeasurement of inclusive jet production and nuclear modifications in pPb collisions at \(\sqrt{s_{_\mathrm {NN}}} =5.02\,\mathrm{TeV} \)
Inclusive jet production in pPb collisions at a nucleon–nucleon (NN) center-of-mass energy of $$\sqrt{s_{_\mathrm {NN}}} =5.02\,\mathr...
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Article
Open AccessSearch for new phenomena with multiple charged leptons in proton–proton collisions at \(\sqrt{s}= 13\) \(\,\text {TeV}\)
Results are reported from a search for physics beyond the standard model in final states with at least three charged leptons, in any combination of electrons or muons. The data sample corresponds to an integra...
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Article
Open AccessSearch for heavy particles decaying into top-quark pairs using lepton-plus-jets events in proton–proton collisions at \(\sqrt{s} = 13\) \(\text {TeV}\) with the ATLAS detector
A search for new heavy particles that decay into top-quark pairs is performed using data collected from proton–proton collisions at a centre-of-mass energy of 13
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Article
Open AccessMeasurement of the weak mixing angle using the forward–backward asymmetry of Drell–Yan events in \(\mathrm {p}\mathrm {p}\) collisions at 8 \(\,\text {TeV}\)
A measurement is presented of the effective leptonic weak mixing angle ( \(\sin ^2\theta ^{\ell }_{\text {eff}}\) ...
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Article
Open AccessPrompt and non-prompt \(J/\psi \) elliptic flow in Pb+Pb collisions at \(\sqrt{s_{_\text {NN}}} = 5.02\) Tev with the ATLAS detector
The elliptic flow of prompt and non-prompt \(J/\psi \) ...
