Navegação Ciências Exatas e da Terra por Assunto "Hadron-Hadron scattering (experiments)"
Resultados 1-20 de 144
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Angular analysis of the decay B+ → K∗(892)+μ+μ− in proton-proton collisions at √s= 8 TeV
(2021) [Artigo de periódico]Angular distributions of the decay B+ → K∗(892)+μ+μ− are studied using events collected with the CMS detector in s√ = 8 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb−1. The ... -
Bose-Einstein correlations of charged hadrons in proton-proton collisions at √s = 13 TeV
(2020) [Artigo de periódico]Bose-Einstein correlations of charged hadrons are measured over a broad multiplicity range, from a few particles up to about 250 reconstructed charged hadrons in proton-proton collisions at s√ = 13 TeV. The results are ... -
Centrality dependence of J/ψ and ψ(2S) production and nuclear modification in p-Pb collisions at √sNN = 8.16 TeV
(2021) [Artigo de periódico]The inclusive production of the J/ψ and ψ(2S) charmonium states is studied as a function of centrality in p-Pb collisions at a centre-of-mass energy per nucleon pair √ sNN = 8.16 TeV at the LHC. The measurement is performed ... -
Charged-particle nuclear modification factors in XeXe collisions at √sNN = 5.02 TeV
(2018) [Artigo de periódico]The di erential yields of charged particles having pseudorapidity within j j < 1 are measured using xenon-xenon (XeXe) collisions at p sNN = 5:44TeV. The data, corresponding to an integrated luminosity of 3.42 b1, were ... -
Combination of inclusive and differential tt¯ charge asymmetry measurements using ATLAS and CMS data at √s = 7 and 8TeV
(2018) [Artigo de periódico]Abstract: This paper presents combinations of inclusive and di erential measurements of the charge asymmetry (AC) in top quark pair (t t) events with a lepton+jets signature by the ATLAS and CMS Collaborations, using data ... -
Combination of the W boson polarization measurements in top quark decays using ATLAS and CMS data at s√ = 8 TeV
(2020) [Artigo de periódico]The combination of measurements of the W boson polarization in top quark decays performed by the ATLAS and CMS collaborations is presented. The measurements are based on proton-proton collision data produced at the LHC at ... -
Combinations of single-top-quark production cross-section measurements and |fLV Vtb| determinations at √s= 7 and 8 TeV with the ATLAS and CMS experiments
(2019) [Artigo de periódico]This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at √s = 7 and 8 TeV corresponding to integrated ... -
Comparing transverse momentum balance of b jet pairs in pp and PbPb collisions at √sNN = 5.02 TeV
(2018) [Artigo de periódico]The transverse momentum balance of pairs of back-to-back b quark jets in PbPb and pp collisions recorded with the CMS detector at the LHC is reported. The center-of-mass energy in both collision systems is 5.02TeV per ... -
Constraining the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Pb-Pb collisions at √sNN = 2.76 and 5.02 TeV
(2020) [Artigo de periódico]Systematic studies of charge-dependent two- and three-particle correlations in Pb-Pb collisions at √ sNN = 2.76 and 5.02 TeV used to probe the Chiral Magnetic Effect (CME) are presented. These measurements are performed ... -
Dependence of inclusive jet production on the anti-kT distance parameter in pp collisions at √s = 13 TeV
(2020) [Artigo de periódico]The dependence of inclusive jet production in proton-proton collisions with a center-of-mass energy of 13 TeV on the distance parameter R of the anti-kT algorithm is studied using data corresponding to integrated luminosities ... -
Determination of the strong coupling constant αS(mZ) from measurements of inclusive W± and Z boson production cross sections in proton-proton collisions at √s = 7 and 8 TeV
(2020) [Artigo de periódico]Twelve measurements of inclusive cross sections of W± and Z boson production, performed in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV, are compared with perturbative quantum chromodynamics calculations ... -
Event-Shape Engineering for the D-meson elliptic flow in mid-central Pb-Pb collisions at √sNN = 5.02 TeV
(2019) [Artigo de periódico]The production yield of prompt D mesons and their elliptic ow coe cient v2 were measured with the Event-Shape Engineering (ESE) technique applied to mid-central (10{30% and 30{50% centrality classes) Pb-Pb collisions at ... -
Event shape variables measured using multijet nal states in proton-proton collisions at √s = 13 TeV
(2018) [Artigo de periódico]The study of global event shape variables can provide sensitive tests of predictions for multijet production in proton-proton collisions. This paper presents a study of several event shape variables calculated using jet ... -
Evidence for associated production of a Higgs boson with a top quark pair in final states with electrons, muons, and hadronically decaying τ leptons at √s = 13TeV
(2018) [Artigo de periódico]Results of a search for the standard model Higgs boson produced in association with a top quark pair (ttH) in nal states with electrons, muons, and hadronically decaying leptons are presented. The analyzed data set corresponds ... -
Evidence for Higgs boson decay to a pair of muons
(2021) [Artigo de periódico]Evidence for Higgs boson decay to a pair of muons is presented. This result combines searches in four exclusive categories targeting the production of the Higgs boson via gluon fusion, via vector boson fusion, in association ... -
First measurement of large area jet transverse momentum spectra in heavy-ion collisions
(2021) [Artigo de periódico]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 corresponding to ... -
Inclusive search for highly boosted Higgs bosons decaying to bottom quark-antiquark pairs in proton-proton collisions at √s = 13 TeV
(2020) [Artigo de periódico]A search for standard model Higgs bosons (H) produced with transverse momentum (pT) greater than 450 GeV and decaying to bottom quark-antiquark pairs (bb¯) is performed using proton-proton collision data collected by the ... -
Inclusive search for supersymmetry in pp collisions at √s = 13 TeV using razor variables and boosted object identi cation in zero and one lepton final states
(2019) [Artigo de periódico]An inclusive search for supersymmetry (SUSY) using the razor variables is performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of 35:9 fb1, collected with the CMS experiment ... -
In-medium modification of dijets in PbPb collisions at √snn = 5.02 TeV
(2021) [Artigo de periódico]Modifications to the distribution of charged particles with respect to high transverse momentum (pT) jets passing through a quark-gluon plasma are explored us ing the CMS detector. Back-to-back dijets are analyzed in ... -
Investigation into the event-activity dependence of ϒ(nS) relative production in proton-proton collisions at √s= 7 TeV
(2020) [Artigo de periódico]The ratios of the production cross sections between the excited ϒ(2S) and ϒ(3S) mesons and the ϒ(1S) ground state, detected via their decay into two muons, are studied as a function of the number of charged particles in ...