Güncel Gönderiler: Metalurji ve Malzeme Mühendisliği
Toplam kayıt 263, listelenen: 21-40
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Coherent J/ψ and ψ′ photoproduction at midrapidity in ultra-peripheral Pb–Pb collisions at √sNN = 5.02 TeV
(2021)The coherent photoproduction of J/ψ and ψ′ mesons was measured in ultra-peripheral Pb-Pb collisions at a center-of-mass energy sNN‾‾‾‾√ = 5.02 TeV with the ALICE detector. Charmonia are detected in the central rapidity ... -
Multiharmonic Correlations of Different Flow Amplitudes in Pb-Pb Collisions at √ s NN = 2.76 TeV
(2021)The event-by-event correlations between three flow amplitudes are measured for the first time in Pb-Pb collisions, using higher-order symmetric cumulants. We find that different three-harmonic correlations develop during ... -
Measurement of the production cross section of prompt Ksi-0c baryons at midrapidity in pp collisions at √s = 5.02 TeV
(2021)The transverse momentum (pT) differential cross section of the charm-strange baryon Ξ0c is measured at midrapidity (|y|< 0.5) via its semileptonic decay into e+Ξ−νe in pp collisions at s√ = 5.02 TeV with the ALICE detector ... -
Production of pions, kaons, (anti-)protons and φ mesons in Xe–Xe collisions at √sNN = 5.44 TeV
(2021)The first measurement of the production of pions, kaons, (anti-)protons and ϕ mesons at midrapidity in Xe-Xe collisions at sNN‾‾‾‾√=5.44 TeV is presented. Transverse momentum (pT) spectra and pT-integrated yields are ... -
Long- and short-range correlations and their event-scale dependence in high-multiplicity pp collisions at √s = 13 TeV
(2021)Two-particle angular correlations are measured in high-multiplicity proton-proton collisions at s√=13 TeV by the ALICE Collaboration. The yields of particle pairs at short-(Δη ∼ 0) and long-range (1.6<|Δη|<1.8) in ... -
First measurements of N-subjettiness in central Pb-Pb collisions at √sNN = 2.76 TeV
(2021)The ALICE Collaboration reports the first fully-corrected measurements of the N-subjettiness observable for track-based jets in heavy-ion collisions. This study is performed using data recorded in pp and Pb−Pb collisions ... -
Production of muons from heavy-flavour hadron decays at high transverse momentum in Pb–Pb collisions at √sNN = 5.02 and 2.76 TeV
(2021)Measurements of the production of muons from heavy-flavour hadron decays in Pb–Pb collisions at √sNN = 5.02 and 2.76 TeV using the ALICE detector at the LHC are reported. The nuclear modification factor RAA at √sNN = 5.02 ... -
Measurement of beauty and charm production in pp collisions at √s = 5.02 TeV via non-prompt and prompt D mesons
(2021)The pT-differential production cross sections of prompt and non-prompt (produced in beauty-hadron decays) D mesons were measured by the ALICE experiment at midrapidity (|y|<0.5) in proton--proton collisions at s√=5.02 TeV. ... -
Measurements of mixed harmonic cumulants in Pb–Pb collisions at √sNN = 5.02 TeV
(2021)Correlations between moments of different flow coefficients are measured in Pb–Pb collisions at √sNN = 5.02 TeV recorded with the ALICE detector. These new measurements are based on multiparticle mixed harmonic cumulants ... -
First measurement of the |t|-dependence of coherent J/ψ photonuclear production
(2021)The first measurement of the cross section for coherent J/ψ photoproduction as a function of |t|, the square of the momentum transferred between the incoming and outgoing target nucleus, is presented. The data were measured ... -
Elliptic Flow of Electrons from Beauty-Hadron Decays in Pb-Pb Collisions at sNN=5.02TeV
(2021)The elliptic flow of electrons from beauty hadron decays at midrapidity (jyj < 0.8) is measured in Pb-Pb collisions at sNN 1⁄4 5.02 TeV with the ALICE detector at the LHC. The azimuthal distribution of the particles produced ... -
Jet fragmentation transverse momentum distributions in pp and p-Pb collisions at √s, √sNN = 5.02 TeV
(2021)Jet fragmentation transverse momentum (jT) distributions are measured in proton-proton (pp) and proton-lead (p-Pb) collisions at sNN = 5.02 TeV with the ALICE experiment at the LHC. Jets are reconstructed with the ALICE ... -
Lambda-K femtoscopy in Pb-Pb collisions at √sNN = 2.76 TeV
(2021)The first measurements of the scattering parameters of ΛK pairs in all three charge combinations (ΛK+, ΛK−, and ΛK0S) are presented. The results are achieved through a femtoscopic analysis of ΛK correlations in Pb-Pb ... -
Production of light-flavor hadrons in pp collisions at √s = 7 and √s = 13 TeV
(2021)The production of π±, K±, K0S, K∗(892)0, p, ϕ(1020), Λ, Ξ−, Ω−, and their antiparticles was measured in inelastic proton-proton (pp) collisions at a center-of-mass energy of s√ = 13 TeV at midrapidity (|y|<0.5) as a function ... -
First measurement of quarkonium polarization in nuclear collisions at the LHC
(2021)The polarization of inclusive J/ψ and Υ(1S) produced in Pb–Pb collisions at √sNN = 5.02 TeV at the LHC is measured with the ALICE detector. The study is carried out by reconstructing the quarkonium through its decay to ... -
Transverse-momentum and event-shape dependence of D-meson flow harmonics in Pb–Pb collisions at √sNN = 5.02 TeV
(2021)The elliptic and triangular flow coefficients v 2 and v 3 of prompt D0 , D+ , and D∗+ measured at midrapidity (|y|<0.8) in Pb–Pb collisions at the centre-of-mass energy per nucleon pair of √sNN = 5.02 TeV with the ALICE ... -
Production of charged pions, kaons, and (anti-)protons in Pb-Pb and inelastic pp collisions at √sNN = 5.02 TeV
(2020)Midrapidity production of π±, K±, and (p)p measured by the ALICE experiment at the CERN Large Hadron Collider,inPb-Pbandinelasticppcollisionsat√sNN =5.02TeV,ispresented.Theinvariantyieldsaremeasured over a wide transverse ... -
Measurement of strange baryon–antibaryon interactions with femtoscopic correlations
(2020)Two-particle correlation functions were measured for pp, panti-p, pLamba, and LambdaAntiLambda pairs in Pb–Pb collisions at √sNN = 2.76 TeV and √sNN = 5.02 TeV recorded by the ALICE detector. From a simultaneous fit to all ... -
Jet-hadron correlations measured relative to the second order event plane in Pb-Pb collisions at sNN = 2.76 TeV
(2020)The quark gluon plasma produced in ultrarelativistic heavy-ion collisions at the Large Hadron Collider (LHC) can be studied by measuring the modifications of jets formed by hard scattered partons which interact with the ... -
Coherent photoproduction of rho-0 vector mesons in ultra-peripheral Pb-Pb collisions at sNN = 5.02 TeV
(2020)Cross sections for the coherent photoproduction of ρ 0 vector mesons in ultraperipheral Pb-Pb collisions at √ sNN = 5.02 TeV are reported. The measurements, which rely on the π +π − decay channel, are presented in ...