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ALICE Preprints

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2025-05-09
04:44
Probing light nuclei production mechanism by measuring nucleus production in and out of jets / Pinto, Chiara (CERN)
The production mechanism of (anti)nuclei in ultrarelativistic hadronic collisions is under debate in the scientific community. [...]
arXiv:2505.04386. -
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2025-05-08
04:32
Proceedings of Direct photon measurement in small systems and thermal radiation from QGP with ALICE, Hard Probes conference 2024 / Jung, Jerome
Electromagnetic probes are a unique tool for studying the space-time evolution of the hot and dense matter created in ultra-relativistic heavy-ion collisions. [...]
arXiv:2505.03669. -
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2025-04-22
15:54
Femtoscopic study of the proton-proton and proton-deuteron systems in heavy-ion collisions at the LHC / Acharya, Shreyasi (INFN, Bari) ; 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.) ; Akbar, Zulkaida (Jakarta LIPI, Indonesian Inst. Sci.) et al. /ALICE
This work reports femtoscopy correlations of p$-$p (p$-$p) and p$-$d (p$-$d) pairs measured in Pb$-$Pb collisions at center-of-mass energy $\sqrt{s_{\rm NN}} = 5.02$ TeV by the ALICE Collaboration. A fit to the measured proton-proton correlation functions allows one to extract the dependence of the nucleon femtoscopic radius of the particle-emitting source as a function of the pair transverse mass ($m_{\rm T}$) and of the average charge particle multiplicity $\langle {\rm d}N_{\rm ch}/{\rm d}\eta \rangle^{1/3}$ for three centrality intervals (0$-$10%, 10$-$30%, 30$-$50%). [...]
arXiv:2505.01061; CERN-EP-2025-096.- Geneva : CERN, 2025 - 25 p. Draft (restricted): PDF; Fulltext: PDF;

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2025-04-22
04:00
Exploring unique design features of the Monolithic Stitched Sensor with Timing (MOST): yield, powering, timing, and sensor reverse bias / ALICE Collaboration
Monolithic stitched CMOS sensors are explored for the upgrade of Inner Tracking System of the ALICE experiment (ITS3) and the R&D of the CERN Experimental Physics Department. [...]
arXiv:2504.13696. - 7.
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2025-04-08
04:18
Expected performance of the ALPIDE pixel layers in ALICE FoCal / Yi, Jie (CCNU, Wuhan, Inst. Part. Phys.) ; Rauch, Max Philip (Bergen U.)
The ALICE experiment is designed to study ultra-relativistic heavy-ion collisions at the Large Hadron Collider (LHC). [...]
arXiv:2504.03018. - 4.
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2025-04-05
04:40
Recent results on strangeness enhancement in small collision systems with ALICE / Pucillo, Sara (Turin U.)
Quantum Chromodynamics (QCD) predicts that, at sufficiently high temperature and energy density, nuclear matter undergoes a phase transition from confined hadrons to a deconfined state of quarks and gluons known as the quark-gluon plasma (QGP). [...]
arXiv:2504.02527. - 8.
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2025-04-02
07:21
Long-range transverse momentum correlations and radial flow in Pb–Pb collisions at the LHC / Acharya, Shreyasi (INFN, Bari) ; 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.) ; Akbar, Zulkaida (Jakarta LIPI, Indonesian Inst. Sci.) et al. /ALICE
This Letter presents measurements of long-range transverse-momentum correlations using a new observable, $v_0 ( p_{\rm T} )$, which serves as a probe of radial flow and medium properties in heavy-ion collisions. Results are reported for inclusive charged particles, pions, kaons, and protons across various centrality intervals in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV, recorded by the ALICE detector. [...]
arXiv:2504.04796; CERN-EP-2025-084.- Geneva : CERN, 2025 - 24 p. Draft (restricted): PDF; Fulltext: PDF;

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2025-04-02
04:06
Event-activity dependence of heavy-flavor production at the ALICE experiment / Vertesi, Robert (Wigner RCP, Budapest)
Heavy-flavor production at the LHC offers valuable tests of quantum-chromodynamics calculations, owing to the large masses of heavy quarks. [...]
arXiv:2503.23850. -
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2025-04-01
07:01
D$^0$-meson-tagged jet axes difference in proton-proton collisions at $\sqrt{s }= 5.02$ 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.
Heavy-flavor quarks produced in proton–proton (pp) collisions provide a unique opportunity to investigate the evolution of quark-initiated parton showers from initial hard scatterings to final-state hadrons. By examining jets that contain heavy-flavor hadrons, this study explores the effects of both perturbative and non-perturbative QCD on jet formation and structure. [...]
arXiv:2504.02571; CERN-EP-2025-083.- Geneva : CERN, 2025 - 29 p. Draft (restricted): PDF; Fulltext: PDF;

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2025-04-01
06:52
Energy–energy correlators in charm-tagged jets in proton–proton collisions at $\sqrt{s} = 13$ 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. /ALICE
In this letter, we present the first measurement of the energy–energy correlator (EEC) in charm-tagged jets from proton–proton (pp) collisions at $\sqrt{s} = 13$ TeV. EECs probe the structure of QCD radiation, providing a unique test of mass-dependent effects in parton showers involving a charm quark and offering a distinct view into non-perturbative phenomena, including the hadronization process [...]
arXiv:2504.03431; CERN-EP-2025-082.- Geneva : CERN, 2025 - 20 p. Draft (restricted): PDF; Fulltext: PDF;

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