Viser treff 21-40 av 98

• #### Evidence of spin-orbital angular momentum interactions in relativistic heavy-ion collisions ﻿

(Journal article; Peer reviewed, 2020)
The first evidence of spin alignment of vector mesons (K*0 and ϕ) in heavy-ion collisions at the Large Hadron Collider (LHC) is reported. The spin density matrix element ρ00 is measured at midrapidity (|y|<0.5) in Pb-Pb ...
• #### 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 ...
• #### Exploration of jet substructure using iterative declustering in pp and Pb–Pb collisions at LHC energies ﻿

(Journal article; Peer reviewed, 2020)
The ALICE collaboration at the CERN LHC reports novel measurements of jet substructure in pp collisions at √s = 7 TeV and central Pb–Pb collisions at √sNN = 2.76 TeV. Jet substructure of track-based jets is explored via ...
• #### 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 ...
• #### First observation of an attractive interaction between a proton and a cascade baryon ﻿

(Peer reviewed; Journal article, 2019)
• #### Global baryon number conservation encoded in net-proton fluctuations measured in Pb–Pb collisions at √sNN = 2.76 TeV ﻿

(Journal article; Peer reviewed, 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 goal ...
• #### Global polarization of Λ Λ hyperons in Pb-Pb collisions at √sNN = 2.76 and 5.02 TeV ﻿

(Journal article; Peer reviewed, 2020)
The global polarization of the and hyperons is measured for Pb-Pb collisions at √sNN = 2.76 and 5.02 TeV recorded with the ALICE at the Large Hadron Collider (LHC). The results are reported differentially as a function ...
• #### Helium radiography with a digital tracking calorimeter—a Monte Carlo study for secondary track rejection ﻿

(Journal article; Peer reviewed, 2021)
Radiation therapy using protons and heavier ions is a fast-growing therapeutic option for cancer patients. A clinical system for particle imaging in particle therapy would enable online patient position verification, ...
• #### A high-granularity digital tracking calorimeter optimized for proton CT ﻿

(Journal article; Peer reviewed, 2020)
A typical proton CT (pCT) detector comprises a tracking system, used to measure the proton position before and after the imaged object, and an energy/range detector to measure the residual proton range after crossing the ...
• #### Higher harmonic non-linear flow modes of charged hadrons in Pb-Pb collisions at √sNN = 5.02 TeV ﻿

(Journal article; Peer reviewed, 2020)
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 multi-particle ...
• #### Image quality of list-mode proton imaging without front trackers ﻿

(Journal article; Peer reviewed, 2020)
List mode proton imaging relies on accurate reconstruction of the proton most likely path (MLP) through the patient. This typically requires two sets of position sensitive detector systems, one upstream (front) and one ...
• #### 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 mid-rapidity in pp collisions at √s = 5.02 TeV ﻿

(Peer reviewed; Journal article, 2019-10-07)
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 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 ...
• #### Investigation of the p–Σ0 interaction via femtoscopy in pp collisions ﻿

(Journal article; Peer reviewed, 2020-06-10)
This Letter presents the first direct investigation of the p–Σ0 interaction, using the femtoscopy technique in high-multiplicity pp collisions at √s = 13 TeV measured by the ALICE detector. The Σ0 is reconstructed via the ...
• #### Investigations of anisotropic flow using multiparticle azimuthal correlations in pp, p−Pb, Xe-Xe, and Pb-Pb collisions at the LHC ﻿

(Peer reviewed; Journal article, 2019)
Measurements of anisotropic flow coefficients ( v n ) and their cross-correlations using two- and multiparticle cumulant methods are reported in collisions of p p at √ s = 13 TeV , p − Pb at a center-of-mass energy per ...
• #### J/ψ elliptic and triangular flow in Pb-Pb collisions at √sNN = 5.02 TeV ﻿

(Journal article; Peer reviewed, 2020)
The inclusive J/ψ elliptic (v2) and triangular (v3) flow coefficients measured at forward rapidity (2.5 < y < 4) and the v2 measured at midrapidity (|y| < 0.9) in Pb-Pb collisions at sNN−−−√ = 5.02 TeV using the ALICE ...