CERN Accelerating science

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1.
Information system for ALICE experiment data access / Jadlovsky, Jan (Kosice Tech. U.) ; Bond, Peter (CERN) ; Cabala, Jan (Kosice Tech. U.) ; Cerkala, Jakub (Kosice Tech. U.) ; Chochula, Peter (CERN) ; Hanc, Erik (Kosice Tech. U.) ; Jadlovska, Anna (Kosice Tech. U.) ; Jadlovska, Slavka (Kosice Tech. U.) ; Kopcik, Michal (Kosice Tech. U.) ; Oravec, Matej (Kosice Tech. U.) et al.
The main goal of this paper is the presentation of Dcs ARchive MAnager for ALICE Experiment detector conditions data (DARMA), which is the updated version of the AMANDA 3 software currently used within ALICE experiment at CERN. The typical user of this system is either a physicist who performs further analysis on data acquired during the operation of the ALICE detector or an engineer, who analyzes the detector status between iterations of experiments. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2017-THPHA041 Fulltext: PDF;
In : International Conference on Accelerator and Large Experimental Physics Control Systems, Barcelona, Spain, 8 - 13 Oct 2017, pp.THPHA041
2.
Flow dominance and factorization of transverse momentum correlations in Pb-Pb collisions at the LHC / ALICE Collaboration
We present the first measurement of the two-particle transverse momentum differential correlation function, $P_2\equiv\langle \Delta p_{\rm T} \Delta p_{\rm T} \rangle /\langle p_{\rm T} \rangle^2$, in Pb-Pb collisions at $\sqrt{s_{_{\rm NN}}} =$ 2.76 TeV. Results for $P_2$ are reported as a function of relative pseudorapidity ($\Delta \eta$) and azimuthal angle ($\Delta \varphi$) between two particles for different collision centralities. [...]
arXiv:1702.02665; CERN-EP-2017-021.- Geneva : CERN, 2017-04-21 - 12 p. - Published in : Phys. Rev. Lett. 118 (2017) 162302 APS Open Access article: PDF; Fulltext: 10.1103_PhysRevLett.118.162302 - PDF; arXiv:1702.02665 - PDF;
3.
K$^{*}(892)^{0}$ and $\phi(1020)$ meson production at high transverse momentum in pp and Pb-Pb collisions at $\sqrt{s_\mathrm{NN}}$ = 2.76 TeV / ALICE Collaboration
The production of K$^{*}(892)^{0}$ and $\phi(1020)$ mesons in proton-proton (pp) and lead-lead (Pb-Pb) collisions at $\sqrt{s_\mathrm{NN}} =$ 2.76 TeV has been analyzed using a high luminosity data sample accumulated in 2011 with the ALICE detector at the Large Hadron Collider (LHC). Transverse momentum ($p_{\mathrm{T}}$) spectra have been measured for K$^{*}(892)^{0}$ and $\phi(1020)$ mesons via their hadronic decay channels for $p_{\mathrm{T}}$ up to 20 GeV/$c$. [...]
arXiv:1702.00555; CERN-EP-2017-010.- Geneva : CERN, 2017-06-12 - 18 p. - Published in : Phys. Rev. C 95 (2017) 064606 Fulltext: PDF;
4.
Insight into particle production mechanisms via angular correlations of identified particles in pp collisions at $\sqrt{s}=7$ TeV / ALICE Collaboration
Two-particle angular correlations were measured in pp collisions at $\sqrt{s} = 7$ TeV for pions, kaons, protons, and lambdas, for all particle/anti-particle combinations in the pair. Data for mesons exhibit an expected peak dominated by effects associated with mini-jets and are well reproduced by general purpose Monte Carlo generators. [...]
arXiv:1612.08975; CERN-EP-2016-322.- Geneva : CERN, 2017-08-24 - 23 p. - Published in : Eur. Phys. J. C Article from SCOAP3: PDF; Fulltext: PDF; External link: Rivet analyses reference
5.
Centrality dependence of the pseudorapidity density distribution for charged particles in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV / ALICE Collaboration
We present the charged-particle pseudorapidity density in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02\,\mathrm{Te\kern-.25exV}$ in centrality classes measured by ALICE. The measurement covers a wide pseudorapidity range from $-3.5$ to $5$, which is sufficient for reliable estimates of the total number of charged particles produced in the collisions. [...]
arXiv:1612.08966; CERN-EP-2016-327.- Geneva : CERN, 2017-09-10 - 11 p. - Published in : Phys. Lett. B 772 (2017) 567-577 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF; External link: Rivet analyses reference
6.
W and Z boson production in p–Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV / ALICE collaboration
The W and Z boson production was measured via the muonic decay channel in proton-lead collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV at the Large Hadron Collider with the ALICE detector. The measurement covers backward ($-4.46 < y_{\rm cms} < 2.96$) and forward ($2.03 < y_{\rm cms} < 3.53$) rapidity regions, corresponding to Pb-going and p-going directions, respectively. [...]
arXiv:1611.03002; CERN-EP-2016-278; CERN-EP-2016-278.- Geneva : CERN, 2017-02-15 - 23 p. - Published in : JHEP 02 (2017) 077 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF; Springer Open Access article: PDF;
7.
Determination of the event collision time with the ALICE detector at the LHC / ALICE Collaboration
Particle identification is an important feature of the ALICE detector at the LHC. In particular, for particle identification via the time-of-flight technique, the precise determination of the event collision time represents an important ingredient of the quality of the measurement. [...]
arXiv:1610.03055; CERN-EP-2016-253; CERN-EP-2016-253.- Geneva : CERN, 2017-02-24 - 20 p. - Published in : Eur. Phys. J. Plus 132 (2017) 99 Fulltext: PDF; Springer: PDF; Springer Open Access article: PDF; External link: Preprint
8.
Measurement of the production of high-$p_{\rm T}$ electrons from heavy-flavour hadron decays in Pb-Pb collisions at $\mathbf{\sqrt{\it s_{\rm{NN}}}}$ = 2.76 TeV / ALICE Collaboration
Electrons from heavy-flavour hadron decays (charm and beauty) were measured with the ALICE detector in Pb–Pb collisions at a centre-of-mass of energy $\sqrt{s_{\rm NN}}=2.76$ TeV. The transverse momentum ($p_{\rm T}$) differential production yields at mid-rapidity were used to calculate the nuclear modification factor $R_{\rm AA}$ in the interval $3<p_{\rm T}<18$ GeV/$c$. [...]
arXiv:1609.07104; CERN-EP-2016-235.- Geneva : CERN, 2017-05-29 - 15 p. - Published in : Phys. Lett. B 771 (2017) 467-481 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF; External link: Preprint
9.
Anomalous evolution of the near-side jet peak shape in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV / ALICE Collaboration
The measurement of two-particle angular correlations is a powerful tool to study jet quenching in a $p_{\mathrm{T}}$ region inaccessible by direct jet identification. In these measurements pseudorapidity ($\Delta\eta$) and azimuthal differences ($\Delta\varphi$) are used to extract the shape of the near-side peak formed by particles associated to a higher $p_{\mathrm{T}}$ trigger particle ($1 < p_{\mathrm{T, trig}} <$ 8 GeV/c). [...]
arXiv:1609.06643; CERN-EP-2016-229; CERN-EP-2016-229.- Geneva : CERN, 2017-09-08 - 13 p. - Published in : Phys. Rev. Lett. 119 (2017) 102301 Draft (restricted): PDF; Fulltext: 10.1103_PhysRevLett.119.102301 - PDF; arXiv:1609.06643 - PDF; External link: Preprint
10.
Evolution of the longitudinal and azimuthal structure of the near-side peak in Pb–Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV / ALICE Collaboration
In two-particle angular correlation measurements, jets give rise to a near-side peak, formed by particles associated to a higher $p_{\mathrm{T}}$ trigger particle. Measurements of these correlations as a function of pseudorapidity ($\Delta\eta$) and azimuthal differences ($\Delta\varphi$) are used to extract the centrality and $p_{\mathrm{T}}$ dependence of the shape of the near-side peak in the $p_{\mathrm{T}}$ range $1 < p_{\mathrm{T}} <$ 8 GeV/c in Pb--Pb and pp collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV. [...]
arXiv:1609.06667; CERN-EP-2016-228; CERN-EP-2016-228.- Geneva : CERN, 2017-09-08 - 18 p. - Published in : Phys. Rev. C 96 (2017) 034904 Draft (restricted): PDF; Fulltext: PDF; External link: Preprint

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