Viser treff 1-20 av 32

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

(Journal article; Peer reviewed, 2021)
Measurements of elliptic (v2) and triangular (v3) flow coefficients of π±, K±, p+$\overline{\mathrm{p}}$, ${\mathrm{K}}_{\mathrm{S}}^0$, and Λ+$\overline{\Lambda}$ obtained with the scalar product method in ...
• #### Charged-particle multiplicity fluctuations in Pb–Pb collisions at √sNN = 2.76 TeV ﻿

(Journal article; Peer reviewed, 2021)
Measurements of event-by-event fluctuations of charged-particle multiplicities in Pb–Pb collisions at √sNN = 2.76 TeV using the ALICE detector at the CERN Large Hadron Collider (LHC) are presented in the pseudorapidity ...
• #### 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/ψJ/ψ and ψ′ψ′ mesons was measured in ultra-peripheral Pb–Pb collisions at a center-of-mass energy sNN−−−√ = 5.02sNN = 5.02 TeV with the ALICE detector. Charmonia are detected in the central ...
• #### 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 √sNN = 5.02 TeV with the ALICE detector at the LHC. The azimuthal distribution of the particles produced ...
• #### Energy dependence of ϕ meson production at forward rapidity in pp collisions at the LHC ﻿

(Journal article; Peer reviewed, 2021)
The production of $\phi$ 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 ...
• #### Experimental Evidence for an Attractive p-φ Interaction ﻿

(Journal article; Peer reviewed, 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 γp data and γ–Pb measurements from ALICE, ...
• #### First measurement of quarkonium polarization in nuclear collisions at the LHC ﻿

(Journal article; Peer reviewed, 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 muon ...
• #### 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 ﻿

(Journal article; Peer reviewed, 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 ﻿

(Journal article; Peer reviewed, 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 ﻿

(Journal article; Peer reviewed, 2021)
We report on the inclusive $\text {J}/\psi$ production cross section measured at the CERN Large Hadron Collider in proton–proton collisions at a center-of-mass energy $\sqrt{s}~=~13$ TeV. The $\text {J}/\psi$ mesons ...
• #### Jet fragmentation transverse momentum distributions in pp and p-Pb collisions at √s , √sNN = 5.02 TeV ﻿

(Journal article; Peer reviewed, 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 ﻿

(Journal article; Peer reviewed, 2021)
Two-particle Azimuthal correlations are measured with the ALICE apparatus in pp collisions at s√=13s=13 TeV to explore strangeness- and multiplicity-related effects in the fragmentation of jets and the transition regime ...
• #### Latest results on the production of hadronic resonances in ALICE at the LHC ﻿

(Journal article; Peer reviewed, 2021)
Measurement of short-lived hadronic resonances are used to study different aspects of particle production and collision dynamics in pp, p–A and relativistic heavy-ion collisions. The yields of resonances are sensitive to ...
• #### Light neutral meson production in heavy ion collisions with ALICE in the era of precision physics at the LHC ﻿

(Journal article; Peer reviewed, 2021)
The production of light neutral mesons in AA collisions probes the physics of the Quark-Gluon Plasma (QGP), which is formed in heavy-ion collisions at the LHC. More specifically, the centrality dependent neutral meson ...
• #### 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 proton-proton 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 ﻿

(Journal article; Peer reviewed, 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√s = 5.02 ...
• #### Measurement of the Cross Sections of Ξ0 c and Ξ+ c Baryons and of the Branching-Fraction Ratio BRðΞ0 c → Ξ− e + νeÞ=BRðΞ0 c → Ξ− π + Þ in pp Collisions at ffiffi s p = 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 ...