Navegação Ciências Exatas e da Terra por Assunto "Heavy ion experiments"
Resultados 1-20 de 28
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Anisotropic flow and flow fluctuations of identified hadrons in Pb–Pb collisions at √sNN = 5.02 TeV
(2023) [Artigo de periódico]The first measurements of elliptic flow of π ±, K±, p+¯p, K0 S , Λ+Λ, φ, Ξ − +Ξ + , and Ω − + Ω + using multiparticle cumulants in Pb–Pb collisions at √sNN = 5.02 TeV are presented. Results obtained with two- (v2{2}) and ... -
Anisotropic flow of identified hadrons in Xe-Xe collisions at √sNN = 5.44 TeV
(2021) [Artigo de periódico]Measurements of elliptic (v2) and triangular (v3) flow coefficients of π ±, K±, p+p, K0 S , and Λ+Λ obtained with the scalar product method in Xe-Xe collisions at √ sNN = 5.44 TeV are presented. The results are obtained ... -
Anisotropic flow of identified particles in Pb-Pb collisions at √sNN = 5.02 TeV
(2018) [Artigo de periódico]The elliptic (v2), triangular (v3), and quadrangular (v4) ow coe cients of , K , p + p, + , K0 S, and the -meson are measured in Pb-Pb collisions at p sNN = 5:02TeV. Results obtained with the scalar product method are ... -
Coherent photoproduction of ρ0 vector mesons in ultra-peripheral Pb-Pb collisions at √sNN = 5.02 TeV
(2020) [Artigo de periódico]Cross sections for the coherent photoproduction of ρ0 vector mesons in ultra-peripheral Pb-Pb collisions at sNN√ = 5.02 TeV are reported. The measurements, which rely on the π+π− decay channel, are presented in three regions ... -
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]Two-particle correlations in high-energy collision experiments enable the extraction of particle source radii by using the Bose-Einstein enhancement of pion production at low relative momentum q ∝ 1/R. It was previously ... -
Dielectron production in proton-proton collisions at √s = 7 TeV
(2018) [Artigo de periódico]The rst measurement of e+e pair production at mid-rapidity (j ej < 0.8) in pp collisions at p s = 7TeV with ALICE at the LHC is presented. The dielectron production is studied as a function of the invariant mass (mee < ... -
Energy dependence and uctuations of anisotropic ow in Pb-Pb collisions at √sNN = 5.02 and 2.76 TeV
(2018) [Artigo de periódico]Measurements of anisotropic ow coe cients with two- and multi-particle cumulants for inclusive charged particles in Pb{Pb collisions at p sNN = 5:02 and 2.76TeV are reported in the pseudorapidity range j j < 0:8 and ... -
First measurements of N-subjettiness in central Pb-Pb collisions at √sNN = 2.76 TeV
(2021) [Artigo de periódico]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 ... -
Higher harmonic non-linear flow modes of charged hadrons in Pb-Pb collisions at √sNN = 5.02 TeV
(2020) [Artigo de periódico]Abstract: Anisotropic flow coefficients, vn, non-linear flow mode coefficients, χn,mk, and correlations among different symmetry planes, ρn,mk are measured in Pb-Pb collisions at √ sNN = 5.02 TeV. Results obtained with ... -
Inclusive J/ψ production at forward and backward rapidity in p-Pb collisions at √sNN = 8.16 TeV
(2018) [Artigo de periódico]Inclusive J/ production is studied in p{Pb interactions at a centre-of-mass energy per nucleon-nucleon collision p sNN = 8:16TeV, using the ALICE detector at the CERN LHC. The J/ meson is reconstructed, via its decay to a ... -
Inclusive J/ψ production at mid-rapidity in pp collisions at √s = 5.02 TeV
(2019) [Artigo de periódico]Inclusive J/ψ production is studied in minimum-bias proton-proton collisions at a centre-of-mass energy of √s= 5.02 TeV by ALICE at the CERN LHC. The measurement is performed at mid-rapidity (|y| < 0.9) in the dielectron ... -
Inclusive, prompt and non-prompt J/ψ production at midrapidity in p-Pb collisions at √sNN = 5.02 TeV
(2022) [Artigo de periódico]A measurement of inclusive, prompt, and non-prompt J/ψ production in p-Pb collisions at a nucleon-nucleon centre-of-mass energy √sNN = 5.02 TeV is presented. The inclusive J/ψ mesons are reconstructed in the dielectron ... -
Jet fragmentation transverse momentum distributions in pp and p-Pb collisions at √s, √sNN = 5.02 TeV
(2021) [Artigo de periódico]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 ... -
Jet properties in PbPb and pp collisions at √sNN = 5.02 TeV
(2018) [Artigo de periódico]Abstract: Modi cations of the properties of jets in PbPb collisions, relative to those in pp collisions, are studied at a nucleon-nucleon center-of-mass energy of p sNN = 5:02TeV via correlations of charged particles with ... -
Long- and short-range correlations and their event-scale dependence in high-multiplicity pp collisions at √s = 13 TeV
(2021) [Artigo de periódico]Two-particle angular correlations are measured in high-multiplicity protonproton collisions at √ s = 13 TeV by the ALICE Collaboration. The yields of particle pairs at short-(∆η ∼ 0) and long-range (1.6 < |∆η| < 1.8) in ... -
Measurement of beauty and charm production in pp collisions at √s = 5.02 TeV via non-prompt and prompt D mesons
(2021) [Artigo de periódico]The pT-differential production cross sections of prompt and non-prompt (pro duced 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 ... -
Measurement of beauty production via non-prompt D0 mesons in Pb-Pb collisions at √sNN = 5.02 TeV
(2022) [Artigo de periódico]The production of non-prompt D0 mesons from beauty-hadron decays was measured at midrapidity (|y| < 0.5) in Pb-Pb collisions at a nucleon-nucleon center-ofmass energy of √ sNN = 5.02 TeV with the ALICE experiment at the ... -
Measurement of nuclear effects on (2S) production in p-Pb collisions at √sNN = 8.16 TeV
(2020) [Artigo de periódico]Inclusive ψ(2S) production is measured in p-Pb collisions at the centre-of-mass energy per nucleon-nucleon pair √sNN = 8.16 TeV, using the ALICE detector at the CERN LHC. The production of ψ(2S) is studied at forward (2.03 ... -
Measurement of prompt D0, D+, D∗+, and D+s production in p–Pb collisions at √sNN = 5.02 TeV
(2019) [Artigo de periódico]The measurement of the production of prompt D0, D+, D*+, and D+S mesons in proton–lead (p–Pb) collisions at the centre-of-mass energy per nucleon pair of √sNN = 5.02 TeV, with an integrated luminosity of 292 ± 11 μb−1, are ... -
Measurement of the production cross section of prompt Ξ0c baryons at midrapidity in pp collisions at √s = 5.02 TeV
(2021) [Artigo de periódico]The transverse momentum (pT) differential cross section of the charm-strange baryon Ξ 0 c 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 ...