CERN Accelerating science

ALICE Papers

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2014-11-08
20:27
Inclusive photon production at forward rapidities in proton-proton collisions at sqrt(s) = 0.9, 2.76 and 7 TeV / ALICE, LHC /ALICE
The multiplicity and pseudorapidity distributions of inclusive photons have been measured at forward rapidities (2.3 < η < 3.9) in proton-proton collisions at three center-of-mass energies, sqrt(s) = 0.9, 2.76 and 7 TeV using the ALICE detector. It is observed that the increase in the average photon multiplicity as a function of beam energy is compatible with both a logarithmic and a power-law dependence. [...]
CERN-PH-EP-2014-280.- Geneva : CERN, 2014 Draft (restricted): PDF; Fulltext: PDF;

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2014-10-09
08:27
Production of inclusive $\Upsilon$(1S) and $\Upsilon$(2S) in p-Pb collisions at $\mathbf{\sqrt{s_{{\rm NN}}} = 5.02}$ TeV / ALICE Collaboration
We report on the production of inclusive $\Upsilon$(1S) and $\Upsilon$(2S) in p-Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV at the LHC. [...]
arXiv:1410.2234 ; CERN-PH-EP-2014-196.
- 2014. - 24 p.
Preprint - Full text

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2014-10-07
13:00
Charged jet cross sections and properties in proton-proton collisions at sqrt(s) = 7 TeV / ALICE, CERN /ALICE
The differential charged jet cross sections, jet fragmentation distributions, and jet shapes are measured in minimum bias proton-proton collisions at centre-of-mass energy sqrt(s) = 7 TeV using the ALICE detector at the LHC. Jets are reconstructed from charged particle momenta in the mid-rapidity region using the sequential recombination k T and anti-k T as well as the SISCone jet finding algorithms with several resolution parameters in the range R = 0.2 – 0.6. [...]
CERN-PH-EP-2014-254.- Geneva : CERN, 2014 Draft (restricted): PDF; Fulltext: CERN-PH-EP-2014-254 - PDF; CERN-PH-EP-2014-254_2 - PDF;

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2014-07-09
15:10
Event-by-event mean pT fluctuations in pp and Pb-Pb collisions at the LHC / Abelev, Betty Bezverkhny (LLNL, Livermore) ; Adam, Jaroslav (Prague, Tech. U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (INFN, Turin ; Turin Polytechnic) ; Agostinelli, Andrea (Bologna U.INFN, Bologna) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Nazeer (Aligarh Muslim U.) et al. /ALICE
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 charged-particle multiplicity using the ALICE detector at the LHC. Non-statistical fluctuations are observed in all systems. [...]
CERN-PH-EP-2014-169; arXiv:1407.5530.- Geneva : CERN, 2014 - 21 p. - Published in : Eur. Phys. J. C (2014) 74-3077 Draft (restricted): PDF; Fulltext: CERN-PH-EP-2014-169 - PDF; arXiv:1407.5530 - PDF; External link: Fulltext

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2014-07-01
04:32
Exclusive $J/\psi$ photoproduction off protons in ultra-peripheral p-Pb collisions at $\sqrt{s_{NN}}$=5.02 TeV / ALICE Collaboration
We present the first measurement at the LHC of exclusive J/$\psi$ photoproduction off protons, in ultra-peripheral proton-lead collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV. [...]
arXiv:1406.7819 ; CERN-PH-EP-2014-149.
- 2014. - 18 p.
Preprint - Full text

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2014-06-14
04:22
Production of $\Sigma(1385)^{\pm}$ and $\Xi(1530)^{0}$ in proton-proton collisions at $\sqrt{s}=$ 7 TeV / ALICE Collaboration
The production of the strange and double-strange baryon resonances ($\Sigma(1385)^{\pm}$, $\Xi(1530)^{0}$) has been measured at mid-rapidity ($\left | y \right |<0.5$) in proton-proton collisions at $\sqrt{s}$ = 7 TeV with the ALICE detector at the LHC. [...]
arXiv:1406.3206 ; CERN-PH-EP-2014-128.
- 2014. - 30 p.
Preprint - Full text

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2014-06-12
04:52
Multiparticle azimuthal correlations in p-Pb and Pb-Pb collisions at the CERN Large Hadron Collider / ALICE Collaboration
Measurements of multi-particle azimuthal correlations (cumulants) for charged particles in p-Pb at $\sqrt{s_{\rm NN}} = 5.02$ TeV and Pb-Pb at $\sqrt{s_{\rm NN}} = 2.76$ TeV collisions are presented. They help address a question if there is evidence for global, flow-like, azimuthal correlations in the p-Pb system. [...]
arXiv:1406.2474; CERN-PH-EP-2014-105.- Geneva : CERN, 2014 - 23 p. - Published in : Phys. Rev. C 90 (2014) 054901 APS Open Access article: PDF; Fulltext: PDF; External link: Preprint

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2014-05-20
05:31
Elliptic flow of identified hadrons in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV / ALICE Collaboration
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. [...]
arXiv:1405.4632 ; CERN-PH-EP-2014-104.
- 2014. - 81 p.
Preprint

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2014-05-20
05:30
Suppression of $\Upsilon$(1S) at forward rapidity in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV / ALICE Collaboration
We report on the measurement of the inclusive $\Upsilon$(1S) production in Pb-Pb collisions at $\sqrt{s_{\rm NN}}=2.76$ TeV carried out at forward rapidity ($2.5<y<4$) and down to zero transverse momentum using its $\mu^{+}\mu^{-}$ decay channel with the ALICE detector at the Large Hadron Collider. A strong suppression of the inclusive $\Upsilon$(1S) yield is observed with respect to pp collisions scaled by the number of independent nucleon-nucleon collisions. [...]
arXiv:1405.4493; CERN-PH-EP-2014-103.- 2014 - 20 p. - Published in : Phys. Lett. B 738 (2014) 361-372 Elsevier Open Access article: PDF; External link: Preprint

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2014-05-19
05:00
Beauty production in pp collisions at $\sqrt{s}$ = 2.76 TeV measured via semi-electronic decays / ALICE Collaboration
The ALICE collaboration at the LHC reports measurement of the inclusive production cross section of electrons from semi-leptonic decays of beauty hadrons with rapidity $|y|<0.8$ and transverse momentum $1<p_{\mathrm{T}}<10$ GeV/$c$, in pp collisions at $\sqrt{s} = $ 2.76 TeV. [...]
arXiv:1405.4144 ; CERN-PH-EP-2014-089.
- 2014. - 18 p.
Preprint - Fulltext

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