Viser treff 21-40 av 152

• #### Coherent photoproduction of ρ 0 vector mesons in ultra-peripheral Pb-Pb collisions at √sNN = 5.02 TeV ﻿

(Journal article; Peer reviewed, 2020)
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 ...
• #### Constraining production models with light (anti-)nuclei measurements in small systems with ALICE at the LHC ﻿

(Peer reviewed; Journal article, 2019)
The production of deuterons and anti-deuterons in pp collisions at √s = 7 and 13 TeV has been studied as a function of charged-particle multiplicity using the ALICE detector at the LHC. The preliminary results are shown ...
• #### Constraining the Chiral Magnetic Effect with charge-dependent azimuthal correlations in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 and 5.02 TeV ﻿

(Journal article; Peer reviewed, 2020-09-24)
Systematic studies of charge-dependent two- and three-particle correlations in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 and 5.02 TeV used to probe the Chiral Magnetic Effect (CME) are presented. These measurements are ...
• #### Constraining the magnitude of the Chiral Magnetic Effect with Event Shape Engineering in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV ﻿

(Peer reviewed; Journal article, 2018-02)
In ultrarelativistic heavy-ion collisions, the event-by-event variation of the elliptic flow $v_2$ reflects fluctuations in the shape of the initial state of the system. This allows to select events with the same centrality ...
• #### Constraints on jet quenching in p–Pb collisions at √sNN = 5.02  TeV measured by the event-activity dependence of semi-inclusive hadron-jet distributions ﻿

(Peer reviewed; Journal article, 2018-08)
The ALICE Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high-transverse momentum trigger hadron in p–Pb collisions at √sNN = 5.02 TeV. Jets are reconstructed ...
• #### D-meson azimuthal anisotropy in mid-central Pb-Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}=5.02}$ TeV ﻿

(Peer reviewed; Journal article, 2018-03)
The azimuthal anisotropy coefficient $v_2$ of prompt D\)^0\), D\)^+\), D\)^{*+}\) and D$_s^+$ mesons was measured in mid-central (30-50% centrality class) Pb-Pb collisions at a centre-of-mass energy per nucleon pair ...
• #### Dielectron and heavy-quark production in inelastic and high-multiplicity proton–proton collisions at √s=13 TeV ﻿

(Peer reviewed; Journal article, 2019-01-10)
The measurement of dielectron production is presented as a function of invariant mass and transverse momentum () at midrapidity () in proton–proton (pp) collisions at a centre-of-mass energy of TeV. The contributions from ...
• #### Dielectron measurements in pp and Pb–Pb colllisions with ALICE at the LHC ﻿

(Peer reviewed; Journal article, 2019)
The production of low-mass dielectrons is one of the most promising tools for the investigation of chiral symmetry restoration and thermal radiation from the QGP created in heavy-ion collisions. To single out the signal ...
• #### Dielectron production in proton-proton and proton-lead collisions at √sNN=5.02TeV ﻿

(Journal article; Peer reviewed, 2020-11-25)
The first measurements of dielectron production at midrapidity (|ηe|<0.8) in proton–proton and proton–lead collisions at √sNN=5.02 TeV at the LHC are presented. The dielectron cross section is measured with the ALICE ...
• #### Dielectron production in proton-proton collisions at √s=7 TeV ﻿

(Peer reviewed; Journal article, 2018-09-12)
The first measurement of e^+e^− pair production at mid-rapidity (|ηe| < 0.8) in pp collisions at √s=7 TeV with ALICE at the LHC is presented. The dielectron production is studied as a function of the invariant mass (m_ee ...
• #### Direct photon elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV ﻿

(Peer reviewed; Journal article, 2019-02-10)
The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0–20% and 20–40% in Pb–Pb collisions at TeV by ALICE. Photons were detected with the highly segmented electromagnetic ...
• #### Direct photon elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV ﻿

(Peer reviewed; Journal article, 2019)
The elliptic flow of inclusive and direct photons was measured by ALICE for central and semi-central Pb–Pb collisionsat√sNN=2.76 TeV. The photons were reconstructed using the electromagnetic calorimeter PHOS and the ...
• #### Direct photon production at low transverse momentum in proton-proton collisions at √s=2.76 and 8 TeV ﻿

(Peer reviewed; Journal article, 2019)
Measurements of inclusive and direct photon production at midrapidity in pp collisions at √s = 2.76 and 8 TeV are presented by the ALICE experiment at the LHC. The results are reported in transverse momentum ranges of 0.4 ...
• #### Elliptic and triangular flow of (anti)deuterons in Pb-Pb collisions at √sNN=5.02 TeV ﻿

(Journal article; Peer reviewed, 2020-11-17)
The measurements of the (anti)deuteron elliptic flow (v2) and the first measurements of triangular flow (v3) in Pb-Pb collisions at a center-of-mass energy per nucleon-nucleon collision √sNN = 5.02 TeV are presented. A ...
• #### Elliptic flow of identified hadrons in small collisional systems measured with ALICE ﻿

(Peer reviewed; Journal article, 2019)
Recent observations of long-range multi-particle azimuthal correlations in p–Pb and high multiplicity pp collisions provided new insights into collision dynamics and opened a possibility to study collective effects in these ...
• #### Energy and system dependence of nuclear modification factors of inclusive charged particles and identified light hadrons measured in p–Pb, Xe–Xe and Pb–Pb collisions with ALICE ﻿

(Peer reviewed; Journal article, 2019)
We report recent ALICE results on primary charged particle and neutral meson production in pp, p–Pb, Pb–Pb and Xe– Xe collisions at LHC energies. In this article, measurements of the nuclear modification factors RAA of ...
• #### Energy dependence and fluctuations of anisotropic flow in Pb-Pb collisions at √sNN=5.02 and 2.76 TeV ﻿

(Peer reviewed; Journal article, 2018-07-16)
Measurements of anisotropic flow coefficients with two- and multi-particle cumulants for inclusive charged particles in Pb-Pb collisions at 𝑠NN‾‾‾‾√=5.02 and 2.76 TeV are reported in the pseudorapidity range |η| < 0.8 and ...
• #### Energy dependence of exclusive J/ψ photoproduction off protons in ultra-peripheral p–Pb collisions at √sNN = 5.02 TeV ﻿

(Peer reviewed; Journal article, 2019)
The ALICE Collaboration has measured the energy dependence of exclusive photoproduction of J/ψ vector mesons off proton targets in ultra–peripheral p–Pb collisions at a centre-of-mass energy per nucleon pair sNN=√5.02 TeV. ...
• #### Energy dependence of ϕ(1020) production at mid-rapidity in pp collisions with ALICE at the LHC ﻿

(Peer reviewed; Journal article, 2019)
Hadronic resonances are unique tools to investigate the interplay of re-scattering and regeneration effects during the hadronization phase in heavy-ion collisions. Measurements in small collision systems provide a necessary ...
• #### Event-shape and multiplicity dependence of freeze-out radii in pp collisions at √s = 7 TeV ﻿

(Peer reviewed; Journal article, 2019-09-13)