CERN Accelerating science

ALICE Papers

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2015-03-21
09:30
Coherent ρ0 photoproduction in ultra-peripheral Pb–Pb collisions sqrt(sNN) = 2.76 TeV / ALICE, CERN /ALICE
The ALICE Collaboration reports the first measurement at the LHC of coherent photoproduction of ρ0 mesons in ultra-peripheral Pb–Pb collisions. The invariant mass and transverse momentum distributions for ρ0 production are studied in the π+ π− decay channel at mid-rapidity. [...]
CERN-PH-EP-2015-082.- Geneva : CERN, 2015 Draft (restricted): PDF; Fulltext: PDF;

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2015-03-06
11:56
Measurement of pion, kaon and proton production in proton-proton collisions at sqrt(s) = 7 TeV / Adam, Jaroslav (Prague, Tech. U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (INFN, Turin) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmed, Ijaz (COMSATS, Islamabad) ; Ahn, Sang Un (KISTI, Daejeon) ; Aimo, Ilaria (Turin Polytechnic ; INFN, Turin) et al. /ALICE
The measurement of primary π ± , K ± , p and p production at mid-rapidity (|y| < 0.5) in proton- proton collisions at sqrt(s) = 7 TeV performed with ALICE (A Large Ion Collider Experiment) at the Large Hadron Collider (LHC) is reported. Particle identification is performed using the specific ionization energy loss and time-of-flight information, the ring-imaging Cherenkov technique and the kink-topology identification of weak decays of charged kaons. [...]
CERN-PH-EP-2015-068; arXiv:1504.00024.- Geneva : CERN, 2015 - 33 p. Draft (restricted): PDF; Fulltext: arXiv:1504.00024 - PDF; CERN-PH-EP-2015-068 - PDF; External link: Fulltext

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2015-02-18
21:51
Measurement of dijet kT in p-Pb collisions at sqrt(sNN) = 5.02 TeV / Adam, Jaroslav (Prague, Tech. U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Aggarwal, Madan Mohan (Panjab U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (INFN, Turin) ; Agrawal, Neelima (Indian Inst. Tech., Mumbai) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahn, Sang Un (KISTI, Daejeon) ; Aimo, Ilaria (Turin Polytechnic ; INFN, Turin) ; Aiola, Salvatore (Yale U.) et al. /ALICE
A measurement of dijet correlations in p-Pb collisions at sqrt(sNN) = 5.02 TeV with the ALICE detector is presented. Jets are reconstructed from charged particles measured in the central tracking detectors and neutral energy deposited in the electromagnetic calorimeter. [...]
CERN-PH-EP-2015-041; arXiv:1503.03050.- Geneva : CERN, 2015 - 17 p. Draft (restricted): PDF; Fulltext: arXiv:1503.03050 - PDF; CERN-PH-EP-2015-041 - PDF; External link: Fulltext

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2015-02-18
21:43
Measurement of charged jet production cross sections and nuclear modification in p-Pb collisions at sqrt(sNN) = 5.02 TeV / ALICE, CERN /ALICE
Charged jet production cross sections in p-Pb collisions at sqrt(sNN) = 5.02 TeV measured with the ALICE detector at the LHC are presented. Using the anti-k T algorithm, jets have been reconstructed in the central rapidity region from charged particles with resolution parameters R = 0.2 and R = 0.4. [...]
CERN-PH-EP-2015-040.- Geneva : CERN, 2015 Fulltext: PDF;

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2015-02-10
11:30
Rapidity and transverse-momentum dependence of the inclusive J/psi nuclear modification factor in p-Pb collisions at √s_NN = 5.02 TeV / The ALICE Collaboration, CERN /ALICE
The ALICE Collaboration has studied the transverse-momentum (pT) dependence of the inclusive J/psi production in p-Pb collisions at √s_NN = 5.02 TeV, in three center-of-mass rapidity (y_cms) regions, down to zero pT. Results in the forward and backward rapidity ranges (2.03 < y_cms < 3.53 and −4.46< y_cms < −2.96) are obtained by studying the J/psi decay to μ+μ−, while the mid-rapidity region (−1.37 < y_cms < 0.43) is investigated by measuring the e+e− decay channel. [...]
CERN-PH-EP-2015-030.- Geneva : CERN, 2015 - 26. Draft (restricted): PDF; Fulltext: PDF;

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2015-01-29
21:50
Measurement of jet suppression in central Pb-Pb collisions at sqrt(sNN) = 2.76 TeV / ALICE, CERN /ALICE
The transverse momentum (pT) spectrum and nuclear modification factor (RAA ) of reconstructed jets in 0–10% and 10–30% central Pb–Pb collisions at sqrt(sNN) = 2.76 TeV were measured. Jets were reconstructed from charged and neutral particles, utilizing the ALICE tracking detectors and Electromagnetic Calorimeter (EMCal), with the anti-kT jet algorithm with a resolution parameter of R = 0.2. [...]
CERN-PH-EP-2015-023.- Geneva : CERN, 2015 Draft (restricted): PDF; Fulltext: PDF;

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2015-01-27
10:00
Two-pion femtoscopy in p-Pb collisions at sqrt(5.02) TeV / ALICE, CERN
We report the results of the femtoscopic analysis of pairs of identical pions measured in p–Pb collisions at sqrt(sNN) = 5.02 TeV. Femtoscopic radii are determined as a function of event multiplicity and pair momentum in three spatial dimensions. [...]
CERN-PH-EP-2015-019.- Geneva : CERN, 2015 Draft (restricted): PDF; Fulltext: PDF;

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2015-01-19
14:21
Forward-backward multiplicity correlations in pp collisions at sqrt(s) = 0.9, 2.76 and 7 TeV / ALICE, CERN /ALICE
The strength of forward-backward (FB) multiplicity correlations is measured by the ALICE detector in proton-proton (pp) collisions at sqrt(s) = 0.9, 2.76 and 7 TeV. The measurement is performed in the central pseudorapidity region (|η| < 0.8) for the transverse momentum pT > 0.3 GeV/c. [...]
CERN-PH-EP-2015-012.- Geneva : CERN, 2015 Draft (restricted): PDF; Fulltext: PDF;

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2014-12-23
09:21
Centrality dependence of particle production in p-Pb collisions at $\sqrt{s_{\rm NN} }$= 5.02 TeV / ALICE Collaboration
We report measurements of the primary charged particle pseudorapidity density and transverse momentum distributions in p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV, and investigate their correlation with experimental observables sensitive to the centrality of the collision. [...]
arXiv:1412.6828 ; CERN-PH-EP-2014-281.
- 2014. - 46 p.
Preprint - Preprint - arXiv Preprint - Full text

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2014-11-19
10:09
Inclusive photon production at forward rapidities in proton-proton collisions at $\sqrt{s}$ = 0.9, 2.76 and 7 TeV / ALICE Collaboration
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 TeV using the ALICE detector. [...]
arXiv:1411.4981 ; CERN-PH-EP-2014-280.
- 2014. - 24 p.
Preprint - Full text - Preprint

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