389 Result(s)
within
Wan-**n Li
English
Quantum Field Theories, String Theory
Quantum Physics
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Article
Open AccessMeasurement of the top quark mass using events with a single reconstructed top quark in pp collisions at \( \sqrt{s} \) = 13 TeV
A measurement of the top quark mass is performed using a data sample enriched with single top quark events produced in the t channel. The study is based on proton- proton collision data, corresponding to an integ...
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Article
Open AccessSearch for a heavy resonance decaying to a top quark and a W boson at \( \sqrt{s} \) = 13 TeV in the fully hadronic final state
A search for a heavy resonance decaying to a top quark and a W boson in the fully hadronic final state is presented. The analysis is performed using data from proton-proton collisions at a center-of-mass energ...
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Open AccessProbing effective field theory operators in the associated production of top quarks with a Z boson in multilepton final states at \( \sqrt{s} \) = 13 TeV
A search for new top quark interactions is performed within the framework of an effective field theory using the associated production of either one or two top quarks with a Z boson in multilepton final states...
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Open AccessMeasurement of prompt open-charm production cross sections in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
The production cross sections for prompt open-charm mesons in proton-proton collisions at a center-of-mass energy of 13 TeV are reported. The measurement is performed using a data sample collected by the CMS e...
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Open AccessSearch for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search is presented for new particles produced at the LHC in proton-proton collisions at s ...
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Open AccessObservation of tW production in the single-lepton channel in pp collisions at \( \sqrt{s} \) = 13 TeV
A measurement of the cross section of the associated production of a single top quark and a W boson in final states with a muon or electron and jets in proton-proton collisions at
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Open AccessSearch for a heavy Higgs boson decaying into two lighter Higgs bosons in the ττbb final state at 13 TeV
A search for a heavy Higgs boson H decaying into the observed Higgs boson h with a mass of 125 GeV and another Higgs boson hS is presented. The h and hS bosons are required to decay into a pair of tau leptons and...
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Open AccessMeasurements of the pp → W±γγ and pp → Zγγ cross sections at \( \sqrt{\mathrm{s}} \) = 13 TeV and limits on anomalous quartic gauge couplings
The cross section for W or Z boson production in association with two photons is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV. The data set corresponds to an integrated luminosity ...
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Open AccessStudy of Z boson plus jets events using variables sensitive to double-parton scattering in pp collisions at 13 TeV
Double-parton scattering is investigated using events with a Z boson and jets. The Z boson is reconstructed using only the dimuon channel. The measurements are performed with proton-proton collision data recor...
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Open AccessThe qT and ∆ϕ spectra in W and Z production at the LHC at N3LL′+N2LO
The production of weak gauge bosons, W ± and Z, are at the core of the LHC precision measurement program. Their transverse momentum spectra as well as their pairwise ratios are key theoretical inputs to many high...
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Open AccessSearch for chargino-neutralino production in events with Higgs and W bosons using 137 fb−1 of proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for electroweak production of supersymmetric (SUSY) particles in final states with one lepton, a Higgs boson decaying to a pair of bottom quarks, and large missing transverse momentum is presented. Th...
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Open AccessSearch for resonant and nonresonant new phenomena in high-mass dilepton final states at \( \sqrt{s} \) = 13 TeV
A search is presented for physics beyond the standard model (SM) using electron or muon pairs with high invariant mass. A data set of proton-proton collisions collected by the CMS experiment at the LHC at ...
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Article
Open AccessMeasurements of Higgs boson production cross sections and couplings in the diphoton decay channel at \( \sqrt{\mathrm{s}} \) = 13 TeV
Measurements of Higgs boson production cross sections and couplings in events where the Higgs boson decays into a pair of photons are reported. Events are selected from a sample of proton-proton collisions at ...
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Article
Open AccessFirst measurement of large area jet transverse momentum spectra in heavy-ion collisions
Jet production in lead-lead (PbPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV is studied with the CMS detector at the LHC, using PbPb and pp data samples correspon...
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Open AccessMeasurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at \( \sqrt{s} \) = 13 TeV
Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angula...
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Article
Open AccessMeasurement of the Z boson differential production cross section using its invisible decay mode (Z → \( \nu \overline{\nu} \) ) in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
Measurements of the total and differential fiducial cross sections for the Z boson decaying into two neutrinos are presented at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV. The dat...
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Article
Open AccessStudy of Drell-Yan dimuon production in proton-lead collisions at \( \sqrt{s_{\mathrm{NN}}} \) = 8.16 TeV
Differential cross sections for the Drell-Yan process, including Z boson production, using the dimuon decay channel are measured in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of 8....
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Article
Open AccessIn-medium modification of dijets in PbPb collisions at \( \sqrt{s_{\mathrm{NN}}} \) = 5.02 TeV
Modifications to the distribution of charged particles with respect to high transverse momentum (pT) jets passing through a quark-gluon plasma are explored using the CMS detector. Back-to-back dijets are analyzed...
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Open AccessMeasurement of b jet shapes in proton-proton collisions at \( \sqrt{s} \) = 5.02 TeV
We present the first study of charged-hadron production associated with jets originating from b quarks in proton-proton collisions at a center-of-mass energy of 5.02 TeV. The data sample used in this study was...
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Open AccessAngular analysis of the decay B+ → K∗(892)+μ+μ− in proton-proton collisions at \( \sqrt{\mathrm{s}} \) = 8 TeV
Angular distributions of the decay B+ → K∗(892)+μ+μ− are studied using events collected with the CMS detector in ...
