Browsing Faculty of Engineering by Title
Now showing items 1839-1858 of 3117
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Observation of long-range, near-side angular correlations in pPb collisions at the LHC
(Elsevier, 2013-01-08)Results on two-particle angular correlations for charged particles emitted in pPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV are presented. The analysis uses two million collisions collected with the ... -
Observation of nuclear modifications in W±boson production in pPb collisions at √sNN=8.16 TeV
(Elsevier, 2020-01-10)The production of W-+/- bosons is studied in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of root s(NN) = 8.16 TeV. Measurements are performed in the W-+/- -> mu(+/-)nu(mu) channel using a data ... -
Observation of prompt J/ ψ meson elliptic flow in high-multiplicity pPb collisions at √sNN = 8.16 TeV
(Elsevier, 2019-04-10)A measurement of the elliptic flow (v(2)) of prompt J/psi mesons in high-multiplicity pPbcollisions is reported using data collected by the CMS experiment at a nucleon-nucleon center-of-mass energy root s(NN)= 8.16 TeV. ... -
Observation of same-sign WW production from double parton scattering in proton-proton collisions at √s=13 TeV
(American Physical Society, 2023-09-01)The first observation of the production of Formula Presented bosons from double parton scattering processes using same-sign electron-muon and dimuon events in proton-proton collisions is reported. The data sample corresponds ... -
Observation of sequential upsilon suppression in PbPb collisions
(American Physical Society, 2012-11-30)The suppression of the individual gamma (nS) states in PbPb collisions with respect to their yields in pp data has been measured. The PbPb and pp data sets used in the analysis correspond to integrated luminosities of 150 ... -
Observation of Single Top Quark Production in Association with a Z Boson in Proton-Proton Collisions at √s = 13 TeV
(American Physical Society, 2019-04-05)The observation of single top quark production in association with a Z boson and a quark (tZq) is reported. Events from proton-proton collisions at a center-of-mass energy of 13 TeV containing three charged leptons (either ... -
Observation of the associated production of a single top quark - and a W boson in pp collisions at root s=8 TeV
(American Physical Society, 2014-06-13)The first observation of the associated production of a single top quark and a W boson is presented. The analysis is based on a data set corresponding to an integrated luminosity of 12.2 fb(-1) of proton-proton collisions ... -
Observation of the Bc+ meson in Pb-Pb and pp collisions at √s NN = 5.02 TeV and measurement of its nuclear modification factor
(American Physical Society, 2022-06-21)The Bc+ meson is observed for the first time in heavy ion collisions. Data from the CMS detector are used to study the production of the Bc+ meson in lead-lead (Pb-Pb) and proton-proton (pp) collisions at a center-of-mass ... -
Observation of the Bs0 →x (3872)φ Decay
(American Physical Society, 2020-10-07)Using a data sample of proton-proton collisions at root s = 13 TeV, corresponding to an integrated luminosity of 140 fb(-1) collected by the CMS experiment in 2016-2018, the B-s(0) -> X(3872)phi decay is observed. Decays ... -
Observation of the decay B+ -> psi(2S)phi(1020)K+ in pp collisions at root s=8 TeV
(Elsevier, 2017)The decay B+→ψ(2S)ϕ(1020)K+ is observed for the first time using data collected from pp collisions at View the MathML source by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6View the MathML ... -
Observation of the diphoton decay of the Higgs boson and measurement of its properties
(Springer Nature, 2014-10)Observation of the diphoton decay mode of the recently discovered Higgs boson and measurement of some of its properties are reported. The analysis uses the entire dataset collected by the CMS experiment in proton-proton ... -
Observation of the production of three massive gauge bosons at √s = 13 TeV
(American Physical Society, 2020-10-15)The first observation is reported of the combined production of three massive gauge bosons (VVV with V = W, Z) in proton-proton collisions at a center-of-mass energy of 13 TeV. The analysis is based on a data sample recorded ... -
Observation of the rare Bs0 →µ+µ− decay from the combined analysis of CMS and LHCb data
(Macmillan Publishers, 2015-06-04)The standard model of particle physics describes the fundamental particles and their interactions via the strong, electromagnetic and weak forces. It provides precise predictions for measurable quantities that can be tested ... -
Observation of the Z → ψ ℓ + ℓ − decay in pp collisions at √s = 13 TeV
(American Physical Society, 2018-10-04)This Letter presents the observation of the rare Z boson decay Z→ψ + -. Here, ψ represents contributions from direct J/ψ and ψ(2S)→J/ψX, + - is a pair of electrons or muons, and the J/ψ meson is detected via its decay to ... -
Observation of the Λb 0→J/ψΛϕ decay in proton-proton collisions at √s=13 TeV
(Elsevier, 2020-03-10)The observation of the Lambda(0)(b) -> J/psi Lambda phi decay is reported using proton-proton collision data collected at root s = 13TeV by the CMS experiment at the LHC in 2018, corresponding to an integrated luminosity ... -
Observation of the χb1 (3P) and χb2 (3P) and measurement of their masses
(American Physical Society, 2018-08-29)The χb1(3P) and χb2(3P) states are observed through their (3S)γ decays, using an event sample of proton-proton collisions collected by the CMS experiment at the CERN LHC. The data were collected at a center-of-mass energy ... -
Observation of top quark pairs produced in association with a vector boson in pp collisions at root s=8 TeV
(Springer Nature, 2016-01)Measurements of the cross sections for top quark pairs produced in association with a W or Z boson are presented, using 8 TeV pp collision data corresponding to an integrated luminosity of 19.5 fb−1, collected by the CMS ... -
Observation of tW production in the single-lepton channel in pp collisions at s√ = 13 TeV
(Springer, 2021-11-11)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 s = 13 TeV is presented. The data correspond ... -
Observation of two excited B + c states and measurement of the B + c ( 2 S ) mass in p p collisions at √ s = 13 TeV
(American Physical Society, 2019-04-02)Signals consistent with the B-c(+)(2S) and B-c*(+)(2S) states are observed in proton-proton collisions at root s = 13 TeV, in an event sample corresponding to an integrated luminosity of 143 fb(-1), collected by the CMS ... -
Observation of Z decays to four leptons with the CMS detector at the LHC
(Springer Science+Business Media, 2012-12)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 root s = 7 TeV collected by the CMS ...
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