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Girth and groomed radius of jets recoiling against isolated photons in lead-lead and proton-proton collisions at = 5.02 TeV
CMS Collaboration
This Letter presents the first measurements of the groomed jet radius and the jet girth in events with an isolated photon recoiling against a jet in lead-lead (P…
Elliptic anisotropy measurement of the f(980) hadron in proton-lead collisions and evidence for its quark-antiquark composition
CMS Collaboration
Despite the f(980) hadron having been discovered half a century ago, the question about its quark content has not been settled: it might be an ordinary quark-antiquark ($\mathr…
Observation of lepton pair production in ultraperipheral lead-lead collisions at = 5.02 TeV
CMS Collaboration
We present an observation of photon-photon production of lepton pairs in ultraperipheral lead-lead collisions. The measurement is based on a data sample with an integrated lumi…
Strange hadron collectivity in pPb and PbPb collisions
The CMS Collaboration
The collective behavior of K and strange hadrons is studied by measuring the elliptic azimuthal anisotropy () using the scalar-product and multipartic…
Study of jet quenching with Z+jet correlations in PbPb and pp collisions at sqrt(s[NN]) = 5.02 TeV
CMS Collaboration
The production of jets in association with Z bosons, reconstructed via the mu+mu- and e+e- decay channels, is studied in pp and, for the first time, in PbPb collisions. Both data s…
Observation of charge-dependent azimuthal correlations in pPb collisions and its implication for the search for the chiral magnetic effect
CMS Collaboration
Charge-dependent azimuthal particle correlations with respect to the second-order event plane in pPb and PbPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV have…
Decomposing transverse momentum balance contributions for quenched jets in PbPb collisions at sqrt(s[NN]) = 2.76 TeV
CMS Collaboration
Interactions between jets and the quark-gluon plasma produced in heavy ion collisions are studied via the angular distributions of summed charged-particle transverse momenta (pt) w…
Nuclear effects on the transverse momentum spectra of charged particles in pPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV
CMS Collaboration
Transverse momentum spectra of charged particles are measured by the CMS experiment at the CERN LHC in pPb collisions at sqrt(s[NN]) = 5.02 TeV, in the range 0.4 < pt < 120 GeV and…
Evidence for collective multi-particle correlations in pPb collisions
CMS Collaboration
The second-order azimuthal anisotropy Fourier harmonics, v2, are obtained in pPb and PbPb collisions over a wide pseudorapidity (eta) range based on correlations among six or more…
Study of Z production in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV in the dimuon and dielectron decay channels
CMS Collaboration
The production of Z bosons is studied in the dimuon and dielectron decay channels in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV, using data collected by the CMS experiment at…
Measurement of prompt psi(2S) to J/psi yield ratios in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV
CMS Collaboration
The ratio between the prompt psi(2S) and J/psi yields, reconstructed via their decays into muon pairs, is measured in PbPb and pp collisions at sqrt(s[NN]) = 2.76 TeV. The analysis…
Long-range two-particle correlations of strange hadrons with charged particles in pPb and PbPb collisions at LHC energies
CMS Collaboration
Measurements of two-particle angular correlations between an identified strange hadron (K0S or Lambda/anti-Lambda) and a charged particle, emitted in pPb collisions, are presented…