Viser treff 1-19 av 19

• #### Coherent J / ψ and ψ′ photoproduction at midrapidity in ultra-peripheral Pb–Pb collisions at √sNN=5.02 TeV ﻿

(Peer reviewed; Journal article, 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 ﻿

(Peer reviewed; Journal article, 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 ...
• #### First measurement of coherent ρ0 photoproduction in ultra-peripheral Xe–Xe collisions at √sNN = 5.44 TeV ﻿

(Peer reviewed; Journal article, 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 ﻿

(Peer reviewed; Journal article, 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 ...
• #### Global baryon number conservation encoded in net-proton fluctuations measured in Pb–Pb collisions at √sNN=2.76 TeV ﻿

(Peer reviewed; Journal article, 2020)
Experimental results are presented on event-by-event net-proton fluctuation measurements in Pb–Pb collisions at √sNN = 2.76 TeV, recorded by the ALICE detector at the CERN LHC. These measurements have as their ultimate ...
• #### 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 ...
• #### Long- and short-range correlations and their event-scale dependence in high-multiplicity pp collisions at √s = 13 TeV ﻿

(Peer reviewed; Journal article, 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 ...
• #### 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=7and√s=13TeV ﻿

(Peer reviewed; Journal article, 2021)
The production of π±, K±, K0 S, K∗(892)0, p, φ(1020), , −, −, 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 ...
• #### Production of muons from heavy-flavour hadron decays at high transverse momentum in Pb–Pb collisions at √sNN=5.02 and 2.76 TeV ﻿

(Peer reviewed; Journal article, 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 ...
• #### Production of pions, kaons, (anti-)protons and ϕ mesons in Xe–Xe collisions at √sNN = 5.44 TeV ﻿

(Peer reviewed; Journal article, 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 extracted ...
• #### Pseudorapidity distributions of charged particles as a function of mid- and forward rapidity multiplicities in pp collisions at √s = 5.02, 7 and 13 TeV ﻿

(Peer reviewed; Journal article, 2021)
The multiplicity dependence of the pseudorapidity density of charged particles in proton–proton (pp) collisions at centre-of-mass energies √s = 5.02, 7 and 13 TeV measured by ALICE is reported. The analysis relies on track ...
• #### Soft-Dielectron Excess in Proton-Proton Collisions at √s=13 TeV ﻿

(Peer reviewed; Journal article, 2021)
A measurement of dielectron production in proton-proton (pp) collisions at √s=13 TeV, recorded with the ALICE detector at the CERN LHC, is presented in this Letter. The data set was recorded with a reduced magnetic solenoid ...
• #### Λc+ Production and Baryon-to-Meson Ratios in pp and p -Pb Collisions at sNN =5.02 TeV at the LHC ﻿

(Peer reviewed; Journal article, 2021)
The prompt production of the charm baryon Λþ c and the Λþ c =D0 production ratios were measured at midrapidity with the ALICE detector in pp and p-Pb collisions at ffiffiffiffiffiffiffi sNN p ¼ 5.02 TeV. These new measurements ...
• #### Λc+ production in pp and in p-Pb collisions at √sNN =5.02 TeV ﻿

(Peer reviewed; Journal article, 2021)
The production cross section of prompt Λ+c charm baryons was measured with the ALICE detector at the LHC at midrapidity in proton-proton (pp) and proton-lead (p–Pb) collisions at a center-of-mass energy per nucleon pair ...
• #### Λk femtoscopy in Pb-Pb collisions at sNN =2.76 TeV ﻿

(Peer reviewed; Journal article, 2021)
The first measurements of the scattering parameters of K pairs in all three charge combinations (K+, K−, and K0 S ) are presented. The results are achieved through a femtoscopic analysis of K correlations in Pb-Pb collisions ...
• #### ϒ production and nuclear modification at forward rapidity in Pb–Pb collisions at √sNN = 5.02 TeV ﻿

(Peer reviewed; Journal article, 2021)
The production of ϒ mesons in Pb–Pb collisions at a centre-of-mass energy per nucleon pair √sNN = 5.02 TeV is measured with the muon spectrometer of the ALICE detector at the LHC. The yields as well as the nuclear ...
• #### ϒ production in p–Pb collisions at √sNN=8.16 TeV ﻿

(Peer reviewed; Journal article, 2020)
ϒ production in p–Pb interactions is studied at the centre-of-mass energy per nucleon–nucleon collision √sNN = 8.16 TeV with the ALICE detector at the CERN LHC. The measurement is performed reconstructing bottomonium ...