Viser treff 1-20 av 27

• #### Anisotropic flow of identified hadrons in Xe-Xe collisions at √sNN = 5.44 TeV ﻿

(Peer reviewed; Journal article, 2021)
Measurements of elliptic (v2) and triangular (v3) flow coefficients of π±, K±, p+p¯, K0S, and Λ+Λ¯ obtained with the scalar product method in Xe-Xe collisions at √sNN = 5.44 TeV are presented. The results are obtained in ...
• #### Coherent J / ψ and ψ′ photoproduction at midrapidity in ultra-peripheral Pb–Pb collisions at √sNN=5.02 TeV ﻿

(Journal article; Peer reviewed, 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 region ...
• #### Elliptic Flow of Electrons from Beauty-Hadron Decays in Pb-Pb Collisions at √sNN=5.02  TeV ﻿

(Journal article; Peer reviewed, 2021)
The elliptic flow of electrons from beauty hadron decays at midrapidity ( | y | < 0.8 ) is measured in Pb-Pb collisions at √ s N N = 5.02     TeV with the ALICE detector at the LHC. The azimuthal distribution of the particles ...
• #### Energy dependence of ϕ meson production at forward rapidity in pp collisions at the LHC ﻿

(Peer reviewed; Journal article, 2021)
The production of φ mesons has been studied in pp collisions at LHC energies with the ALICE detector via the dimuon decay channel in the rapidity region 2.5 < y < 4. Measurements of the differential cross section d2σ/dyd ...
• #### Experimental Evidence for an Attractive p-φ Interaction ﻿

(Peer reviewed; Journal article, 2021)
This Letter presents the first experimental evidence of the attractive strong interaction between a proton and a ϕ meson. The result is obtained from two-particle correlations of combined p−ϕ ⊕ −p−ϕ pairs measured in ...
• #### First measurement of coherent ρ0 photoproduction in ultra-peripheral Xe–Xe collisions at √sNN = 5.44 TeV ﻿

(Journal article; Peer reviewed, 2021)
The first measurement of the coherent photoproduction of ρ0 vector mesons in ultra-peripheral Xe– Xe collisions at √sNN = 5.44 TeV is presented. This result, together with previous HERA γ p data and γ –Pb measurements from ...
• #### First measurement of quarkonium polarization in nuclear collisions at the LHC ﻿

(Peer reviewed; Journal article, 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 ...
• #### First measurement of the |t|-dependence of coherent J/ψ photonuclear production ﻿

(Journal article; Peer reviewed, 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 ...
• #### First measurements of N-subjettiness in central Pb-Pb collisions at √sNN = 2.76 TeV ﻿

(Peer reviewed; Journal article, 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 ...
• #### Inclusive heavy-flavour production at central and forward rapidity in Xe–Xe collisions at √sNN=5.44 TeV ﻿

(Peer reviewed; Journal article, 2021)
The first measurements of the production of muons and electrons from heavy-flavour hadron decays in Xe–Xe collisions at √sNN = 5.44 TeV, using the ALICE detector at the LHC, are reported. The measurement of the nuclear ...
• #### Inclusive J/ψ production at midrapidity in pp collisions at √s=13 TeV ﻿

(Peer reviewed; Journal article, 2021)
We report on the inclusive J/ψ production cross section measured at the CERN Large Hadron Collider in proton–proton collisions at a center-of-mass energy √s = 13 TeV. The J/ψ mesons are reconstructed in the e+e− decay ...
• #### Jet fragmentation transverse momentum distributions in pp and p-Pb collisions at √s , √sNN = 5.02 TeV ﻿

(Peer reviewed; Journal article, 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 ...
• #### Kaon–proton strong interaction at low relative momentum via femtoscopy in Pb–Pb collisions at the LHC ﻿

(Journal article; Peer reviewed, 2021)
In quantum scattering processes between two particles, aspects characterizing the strong and Coulomb forces can be observed in kinematic distributions of the particle pairs. The sensitivity to the interaction potential ...
• #### KS0 - and (anti-)Λ-hadron correlations in pp collisions at √s=13 TeV ﻿

(Peer reviewed; Journal article, 2021)
Two-particle Azimuthal correlations are measured with the ALICE apparatus in pp collisions at √s=13 TeV to explore strangeness- and multiplicity-related effects in the fragmentation of jets and the transition regime between ...
• #### Long- and short-range correlations and their event-scale dependence in high-multiplicity pp collisions at √s = 13 TeV ﻿

(Journal article; Peer reviewed, 2021)
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 ﻿

(Peer reviewed; Journal article, 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 ...
• #### Measurement of the Cross Sections of Ξ0c and Ξ+c Baryons and of the Branching-Fraction Ratio BR(Ξ0c→Ξ−e+νe)/BR(Ξ0c→Ξ−π+) in pp Collisions at √s=13  TeV ﻿

(Journal article; Peer reviewed, 2021)
The pT-differential cross sections of prompt charm-strange baryons Ξ0c and Ξ+c were measured at midrapidity (|y|<0.5) in proton-proton (pp) collisions at a center-of-mass energy √s=13  TeV with the ALICE detector at the ...
• #### Measurements of mixed harmonic cumulants in Pb–Pb collisions at √sNN = 5.02 TeV ﻿

(Peer reviewed; Journal article, 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 ...
• #### Multiharmonic Correlations of Different Flow Amplitudes in Pb-Pb Collisions at √sNN=2.76  TeV ﻿

(Peer reviewed; Journal article, 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 ...
• #### Production of light-flavor hadrons in pp collisions at √s = 7 and √s = 13 TeV ﻿

(Journal article; Peer reviewed, 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 ...