Now showing items 21-40 of 103

• #### Charged-particle multiplicity measurement in proton–proton collisions at √s = 7 TeV with ALICE at LHC ﻿

(Springer, 2010-08-03)
The pseudorapidity density and multiplicity distribution of charged particles produced in proton–proton collisions at the LHC, at a centre-of-mass energy Ös=7s=7 TeV, were measured in the central pseudorapidity region ...
Peer reviewedJournal article
• #### Charged–particle multiplicities in proton–proton collisions at $\sqrt{s}=$ 0.9 to 8 TeV, with ALICE at the LHC ﻿

(Springer, 2017-01)
The ALICE Collaboration has carried out a detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton-proton collisions, at $\sqrt{s} =$ 0.9, 2.36, 2.76, 7 and ...
Journal article
• #### Charmonium and $e^+e^-$ pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV ﻿

(Springer, 2013-11)
The ALICE Collaboration at the LHC has measured the $J/\psi$ and $\psi$' photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV. The charmonium is identified via its leptonic ...
Journal article
• #### Coherent $\psi(2S)$ photo-production in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{\rm NN}}$= 2.76 TeV ﻿

(Elsevier, 2015-12)
The ALICE Collaboration has performed the first measurement of the coherent $\psi(2S)$ photo-production cross section in ultra-peripheral Pb-Pb collisions at the LHC. This charmonium excited state is reconstructed via the ...
Journal article
• #### Coherent $\rho^0$ photoproduction in ultra-peripheral Pb-Pb collisions at $\mathbf{\sqrt{\textit{s}_{\rm NN}}} = 2.76$ TeV ﻿

(Springer, 2015-09)
We report the first measurement at the LHC of coherent photoproduction of $\rho^0$ mesons in ultra-peripheral Pb-Pb collisions. The invariant mass and transverse momentum distributions for $\rho^0$ production are studied ...
Journal article
• #### Correlated event-by-event fluctuations of flow harmonics in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV ﻿

(American Physical Society, 2016-10)
We report the measurements of correlations between event-by-event fluctuations of amplitudes of anisotropic flow harmonics in nucleus–nucleus collisions, obtained for the first time using a new analysis method based on ...
Journal article
• #### D meson elliptic flow in non-central Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76TeV ﻿

(American Physical Society, 2013-09)
Azimuthally anisotropic distributions of $D^0, D^+$ and $D^{*+}$ mesons were studied in the central rapidity region (|y| < 0.8) in Pb-Pb collisions at a centre-of-mass energy $\sqrt{s_{NN}}$ = 2.76 TeV per nucleon-nucleon ...
Journal article
• #### Differential studies of inclusive J/$\psi$ and $\psi$(2S) production at forward rapidity in Pb-Pb collisions at $\mathbf{\sqrt{{\textit s}_{_{NN}}}}$ = 2.76 TeV ﻿

(Springer, 2016-05)
The production of J/$\psi$ and $\psi(2S)$ was measured with the ALICE detector in Pb-Pb collisions at the LHC. The measurement was performed at forward rapidity ($2.5 < y < 4$) down to zero transverse momentum ($p_{\rm ... Journal article • #### Direct photon production in Pb-Pb collisions at$\sqrt{s_{NN}}$=2.76 TeV ﻿ (Elsevier, 2016-03) Direct photon production at mid-rapidity in Pb-Pb collisions at$\sqrt{s_{\rm NN}} = 2.76$TeV was studied in the transverse momentum range$0.9 < p_{\rm T} < 14$GeV/$c$. Photons were detected via conversions in the ALICE ... Journal article • #### Directed flow of charged particles at mid-rapidity relative to the spectator plane in Pb-Pb collisions at$\sqrt{s_{NN}}$=2.76 TeV ﻿ (American Physical Society, 2013-12) The directed flow of charged particles at midrapidity is measured in Pb-Pb collisions at$\sqrt{s_{NN}}$=2.76 TeV relative to the collision plane defined by the spectator nucleons. Both, the rapidity odd ($v_1^{odd}$) and ... Journal article • #### Elliptic flow of identified hadrons in Pb-Pb collisions at$\sqrt{s_{\rm{NN}}}$= 2.76 TeV ﻿ (Springer, 2015-06-29) The elliptic flow coefficient ($v_{2}$) of identified particles in Pb--Pb collisions at$\sqrt{s_\mathrm{{NN}}} = 2.76$TeV was measured with the ALICE detector at the LHC. The results were obtained with the Scalar Product ... Journal article • #### Elliptic flow of muons from heavy-flavour hadron decays at forward rapidity in Pb-Pb collisions at$\sqrt{s_{\rm NN}}=2.76$TeV ﻿ (Elsevier, 2016-02) The elliptic flow,$v_{2}$, of muons from heavy-flavour hadron decays at forward rapidity ($2.5 < y < 4$) is measured in Pb--Pb collisions at$\sqrt{s_{\rm NN}}$= 2.76 TeV with the ALICE detector at the LHC. The scalar ... Journal article • #### Energy dependence of the transverse momentum distributions of charged particles in pp collisions measured by ALICE ﻿ (Springer, 2013-12) Differential cross sections of charged particles in inelastic pp collisions as a function of$p_T$have been measured at$\sqrt{s}$= 0.9, 2.76 and 7 TeV at the LHC. The$p_T$spectra are compared to NLO-pQCD calculations. ... Journal article • #### Event-by-event mean pT fluctuations in pp and Pb–Pb collisions at the LHC ﻿ (Springer, 2014-10) Event-by-event fluctuations of the mean transverse momentum of charged particles produced in pp collisions at s√ = 0.9, 2.76 and 7 TeV, and Pb–Pb collisions at √sNN = 2.76 TeV are studied as a function of the ... Journal article • #### Exclusive J /ψ photoproduction off protons in ultraperipheral p-Pb collisions at √sNN = 5.02TeV ﻿ (American Physical Society, 2014-12-05) We present the first measurement at the LHC of exclusive J/ψ photoproduction off protons, in ultraperipheral proton-lead collisions at √sNN=5.02 TeV. Events are selected with a dimuon pair produced either in the rapidity ... Journal article • #### Forward-backward multiplicity correlations in pp collisions at √s = 0.9, 2.76 and 7 TeV ﻿ (Springer, 2015-05-20) The strength of forward-backward (FB) multiplicity correlations is measured by the ALICE detector in proton-proton (pp) collisions at s√ = 0.9, 2.76 and 7 TeV. The measurement is performed in the central pseudorapidity ... Journal article • #### Forward-central two-particle correlations in p-Pb collisions at$\sqrt{s_{\rm NN}}$= 5.02 TeV ﻿ (Elsevier, 2016-02) Two-particle angular correlations between trigger particles in the forward pseudorapidity range ($2.5 < |\eta| < 4.0$) and associated particles in the central range ($|\eta| < 1.0$) are measured with the ALICE detector in ... Journal article • #### Freeze-out radii extracted from three-pion cumulants in pp, p-Pb and Pb-Pb collisions at the LHC ﻿ (Elsevier, 2014-12-12) In high-energy collisions, the spatio-temporal size of the particle production region can be measured using the Bose–Einstein correlations of identical bosons at low relative momentum. The source radii are typically extracted ... Journal article • #### Inclusive photon production at forward rapidities in proton-proton collisions at$\sqrt{s}$= 0.9, 2.76 and 7 TeV ﻿ (Springer Berlin Heidelberg, 2015-04-09) The multiplicity and pseudorapidity distributions of inclusive photons have been measured at forward rapidities ($2.3 < \eta < 3.9$) in proton-proton collisions at three center-of-mass energies,$\sqrt{s}=0.9\$, 2.76 and 7 ...
Journal article
• #### Inclusive, prompt and non-prompt J/ψ production at mid-rapidity in Pb-Pb collisions at √sNN = 2.76 TeV ﻿

(Springer, 2015-07-10)
The transverse momentum (p T) dependence of the nuclear modification factor R AA and the centrality dependence of the average transverse momentum 〈p T〉 for inclusive J/ψ have been measured with ALICE for Pb-Pb collisions ...
Journal article