CERN Accelerating science

ALICE Preprints

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2025-02-11
15:08
ALICE ITS2: overview and performance / Isakov, A.
The new Inner Tracking System (ITS2) is instrumental for tracking and vertex reconstruction in the ALICE experiment [...]
arXiv:2502.04781.
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2025-01-10
04:18
Integrating IPbus ALFRED into the ALICE-FIT setup / Roslon, Krystian (Warsaw U. of Tech.)
The official data collection for the Run 3 of the Large Hadron Collider (LHC) at CERN in Geneva commenced on July 5, 2022, following approximately three and a half years of maintenance, upgrades, and commissioning. [...]
arXiv:2501.04685.
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2025-01-01
04:33
Charm production and hadronisation in pp and p--Pb collisions at sNN= 5.02 TeV at the LHC with ALICE / Cheng, Tiantian (Hua-Zhong Normal U. ; Darmstadt, GSI)
Production measurements of charm hadrons, particularly the yield ratios of different hadron species as a function of the transverse momentum, are important to study the charm hadronisation mechanism. [...]
arXiv:2412.20939.
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2024-12-19
05:22
Recent ALICE results relevant for PDFs at low and high-x, saturation / Khatun, Anisa
We present recent results from the ALICE Collaboration on the study of coherent and incoherent J/ψ photoproduction in ultra-peripheral Pb-Pb collisions, including results from exclusive and dissociate J/ψ mesons in ultra-peripheral p-Pb interactions. [...]
arXiv:2412.13153.
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2024-12-17
14:05
First measurement of symmetric cumulants of hexagonal flow harmonics in Pb-Pb collisions at sNN = 5.02 TeV / Acharya, Shreyasi (INFN, Bari) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
Correlations between event-by-event fluctuations of anisotropic flow harmonics are measured in Pb-Pb collisions at a center-of-mass energy per nucleon pair of 5.02~TeV, as recorded by the ALICE detector at the LHC. This study presents correlations up to the hexagonal flow harmonic, v6, which was measured for the first time. [...]
arXiv:2412.15873; CERN-EP-2024-344.- Geneva : CERN, 2024 - 21 p. Draft (restricted): PDF; Fulltext: PDF;

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2024-12-13
04:50
Pion and kaon pair production in double gap events in ALICE Run 3 / Schicker, Rainer (Heidelberg U.)
The ALICE detector at the LHC has undergone a major upgrade in the long shutdown 2019-2021 to be able to take data at much-increased rates in Runs 3 and 4. [...]
arXiv:2412.08452.
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2024-12-06
04:42
Overview of the latest ALICE UPC and photonuclear results / Ragoni, Simone (Creighton U.)
Ultra-peripheral collisions (UPC) are events characterised by large impact parameters between the two projectiles, larger than the sum of their radii. [...]
arXiv:2412.03117.
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2024-11-13
07:35
Light neutral-meson production in pp collisions at s = 13 TeV / Acharya, Shreyasi (Clermont-Ferrand U.) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
The momentum-differential invariant cross~sections of π0 and η mesons are reported for pp collisions at s=13 TeV at midrapidity (|y|<0.8). The measurement is performed in a broad transverse-momentum range of 0.2<pT<200 GeV/c and 0.4<pT<60 GeV/c for the π0 and η, respectively, extending the pT coverage of previous measurements. [...]
arXiv:2411.09560; CERN-EP-2024-304.- Geneva : CERN, 2024 - 39 p. Draft (restricted): PDF; Fulltext: PDF;

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2024-11-12
14:04
Measurement of ω meson production in pp collisions at s = 13 TeV / Acharya, Shreyasi (Clermont-Ferrand U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) et al.
The pT-differential cross section of ω meson production in pp collisions at s = 13 TeV at midrapidity (|y|<0.5) was measured with the ALICE detector at the LHC, covering an unprecedented transverse-momentum range of 1.6<pT<50 GeV/c. The meson is reconstructed via the ωπ+ππ0 decay channel. [...]
arXiv:2411.09432; CERN-EP-2024-303.- Geneva : CERN, 2024 - 26 p. Draft (restricted): PDF; Fulltext: PDF;

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2024-11-12
13:18
Studying charm hadronisation into baryons with azimuthal correlations of Λ+c with charged particles in pp collisions at s = 13 TeV / Acharya, Shreyasi (Clermont-Ferrand U.) ; Agarwal, Apar (Calcutta, VECC) ; Aglieri Rinella, Gianluca (CERN) ; Aglietta, Luca (Turin U. ; INFN, Turin) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (Bologna U. ; INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al.
The distribution of angular correlations between prompt charm hadrons and primary charged particles in pp collisions is sensitive to the charm-quark hadronisation process. In this letter, charm-baryon correlations are measured for the first time by studying the azimuthal-angle difference between charged particles and prompt Λ+c baryons produced in pp collisions at a centre-of-mass energy s=13 TeV, with the ALICE detector. [...]
arXiv:2411.10104; CERN-EP-2024-302.- Geneva : CERN, 2024 - 28 p. Draft (restricted): PDF; Fulltext: PDF;

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