CERN Accelerating science

ALICE Conference Contributions

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2022-08-12
08:10
$\Phi$ and K*\(^{0}\) Production in p–Pb and Pb–Pb Collisions with ALICE at the LHC / Dudi, Sandeep (Panjab U.) /ALICE Collaboration
We report recent measurements of \(\phi \) and K*\(^{0}\) production in p–Pb and Pb–Pb collisions at \(\sqrt{s_\mathrm{{NN}}}\) = 8.16 and 5.02 TeV, respectively. The integrated yield and mean transverse momentum are reported as a function of charged particle multiplicity to explore the particle production mechanism. [...]
Singapore : Springer Singapore, 2021 - 4 p. - Published in : Springer Proc. Phys. 261 (2021) 679-682
In : 23rd DAE-BRNS High Energy Physics Symposium, Chennai, India, 10-14 Dec 2018, pp.679-682

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2022-08-12
08:09
Study of strangeness production in pp collisions as a function of multiplicity and effective energy with ALICE / Ercolessi, F (INFN, Bologna ; Bologna U.) /ALICE Collaboration
The study of energy and multiplicity dependence of strange hadron production in proton-proton collisions provides a powerful tool to understand sim- ilarities and differences between small and large collision systems. In these pro- ceedings, recent ALICE preliminary results are presented, which contribute to a better understanding of the strangeness production in pp collisions at √s = 13 TeV. Multi-strange Ξ− and Ξ+ baryon yields are studied as a function of multiplicity and effective energy, i.e., the energy available for particle production in the event. [...]
2022 - 7 p. - Published in : Nuovo Cimento C 45 (2022) 65 Fulltext: PDF;
In : 107th Congresso Nazionale della Societa Italiana di Fisica (SIF 2021), Online, Italy, 13 - 17 Sep 2021, pp.65

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2022-08-12
08:09
Measurement of Azimuthal Correlations of Heavy-Flavour Hadron Decay Electrons with Charged Particles in P–Pb and Pb–Pb Collisions at \(\sqrt{s_\mathrm{NN}} = 5.02\) TeV with ALICE at the LHC / Naik, Bharati (Indian Inst. Tech., Mumbai) /ALICE Collaboration
The ALICE (A Large Ion Collider Experiment) apparatus at the LHC is designed to study the properties of QGP (Quark-Gluon Plasma), a deconfined state of quarks and gluons produced in heavy-ion collisions. The study of angular correlations between the heavy-flavour hadron decay electrons and charged particles can offer information about potential heavy-flavour jet quenching in the QGP. [...]
Singapore : Springer Singapore, 2021 - 4 p. - Published in : Springer Proc. Phys. 261 (2021) 551-554
In : 23rd DAE-BRNS High Energy Physics Symposium, Chennai, India, 10-14 Dec 2018, pp.551-554

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2022-08-12
06:02
Measurement of Heavy-Flavour Correlations and Jets with ALICE at the LHC / Sadhu, Samrangy (Calcutta, VECC ; HBNI, Mumbai) /ALICE Collaboration
In this article, we report the latest results on heavy-flavour correlations and jets measured with the ALICE detector in pp, p–Pb and Pb–Pb collisions from the LHC Run 2. The results of azimuthal correlations between D mesons and charged particles in pp collisions at \(\sqrt{s}\) = 7 TeV and 13 TeV and in p–Pb collisions at \(\sqrt{s_\mathrm{\scriptscriptstyle NN}}\) = 5.02 TeV are presented. [...]
Singapore : Springer Singapore, 2021 - 5 p. - Published in : Springer Proc. Phys. 261 (2021) 1037-1041
In : 23rd DAE-BRNS High Energy Physics Symposium, Chennai, India, 10-14 Dec 2018, pp.1037-1041

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2022-08-12
06:02
Spin Alignment Measurements of K\(^{*0}\) Vector Mesons with ALICE Detector at the LHC / Kundu, Sourav (Bhubaneswar, NISER) /ALICE Collaboration
We present recent results on K\(^{*0}\) polarization from the ALICE experiment at mid-rapidity (\(|y|<\)0.5) in Pb–Pb collisions at \(\sqrt{s_{\mathrm {NN}}} = 2.76\) TeV and 5.02 TeV and in pp collisions at \(\sqrt{s} = 13\) TeV. The polarization of the K\(^{*0}\) vector meson (spin \(=\) 1) is studied with respect to the production plane and second-order event plane by measuring the zeroth element of spin density matrix \(\rho _{00}\). [...]
Singapore : Springer Singapore, 2021 - 6 p. - Published in : Springer Proc. Phys. 261 (2021) 579-584
In : 23rd DAE-BRNS High Energy Physics Symposium, Chennai, India, 10-14 Dec 2018, pp.579-584

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2022-08-10
08:45
The Novel ALICE Inner Tracking System (ITS3) Based on Truly Cylindrical, Wafer-Scale Monolithic Active Pixel Sensors / Šuljić, Miljenko (CERN) /ALICE Collaboration
ALICE is studying replacing its innermost tracking layers during the LHC Long Shutdown 3 with a novel detector that will be as close as 18 mm to the interaction point and will have a target thickness of below 0.05% X0 per layer. To achieve these figures, a wafer-scale Monolithic Active Pixel Sensor in 65 nm technology is being developed. [...]
2021 - 8 p. - Published in : JPS Conf. Proc. 34 (2021) 010011 Fulltext: PDF;
In : 29th International Workshop on Vertex Detectors, Virtual, Japan, 5 - 8 Oct 2020, pp.010011

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2022-08-10
08:45
Recent highlights on open heavy-flavour production from ALICE / Wilkinson, Jeremy (Darmstadt, GSI) /ALICE Collaboration
This work presents the latest highlights of open heavy-flavour measurements by the ALICE Collaboration in pp, p–Pb, and Pb–Pb collisions from Run 2 of the LHC. The nuclear modification and flow measurements of charm and beauty particles in Pb–Pb collisions are shown, as well as the latest measurements of non-prompt strange and non-strange D mesons, the multiplicity dependence of Λ+c baryon production, and measurements of heavier charmed baryon states including Ξc and Σ0,++c baryons..
2021 - 5 p. - Published in : Nucl. Part. Phys. Proc. 312-317 (2021) 95-99
In : 23rd International Conference in Quantum Chromodynamics (QCD 20), Montpellier, France, 27 - 30 Oct 2020, pp.95-99

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2022-08-05
06:25
Evolution of open charm production with event multiplicity with ALICE / Giacalone, Marco (INFN, Bologna ; Bologna U.) /ALICE Collaboration
The study of charm production as a function of multiplicity is important to investigate the role of multi-parton interactions, color-reconnection mechanisms, and spectra modification in high multiplicity events with respect to minimum bias ones, and to dig into the possible presence of collective phenomena in high-multiplicity environments. Moreover, charm cross-section measurements in pp collisions provide a useful test of QCD calculations while measurements in p--Pb collisions are useful to analyze Cold Nuclear Matter effects. In this contribution, recent measurements of the evolution of the production yields with the event charged-particle multiplicity of prompt D-mesons and leptons from heavy-flavour hadron decays in pp collisions at $\sqrt{s} =$ 13 TeV are discussed. The results are compared to the $\mathrm{J/\Psi}$ measurement and to model calculations. [...]
2021 - 9 p. - Published in : PoS CHARM2020 (2021) 055 Fulltext: PDF;
In : 10th International Workshop on Charm Physics (CHARM 2020), Online, Mexico, 31 May - 4 June 2021, pp.055

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2022-08-05
06:25
Measurement of electroweak-boson production in Pb–Pb and p–Pb collisions at the LHC / Zhao, M (Beijing, Inst. Atomic Energy) /ALICE Collaboration
Electroweak W± and Z bosons are powerful probes of the initial stage of the heavy-ion collisions. The measurements of their production is important to disentangle the effects of initial stage from the effects of the presence of the quark–gluon plasma (QGP). [...]
2021 - 5 p. - Published in : Nucl. Part. Phys. Proc. 312-317 (2021) 22-26
In : 23rd International Conference in Quantum Chromodynamics (QCD 20), Montpellier, France, 27 - 30 Oct 2020, pp.22-26

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2022-08-05
06:25
Charm baryon production and fragmentation fractions in pp collisions with ALICE / Seo, Jinjoo (Inha U.) /ALICE Collaboration
In this contribution, the latest measurements of $\Lambda_\mathrm{c}^+$, $\Xi_\mathrm{c}^{0,+}$, $\Sigma_\mathrm{c}^{0,++}$, and the first measurement of $\Omega_\mathrm{c}^0$ baryons performed with the ALICE detector at midrapidity in pp collisions at $\sqrt{s}=5.02$ and $13\,\rm TeV$ are presented. In addition, the \Lc measurement down to $p_\mathrm{T}=0$ in p--Pb collisions will be discussed. Finally, the first measurements of the total charm cross section per unit of rapidity and the fragmentation fractions at midrapidity in pp collisions at the LHC including the charm baryons are discussed..
2021 - 5 p. - Published in : PoS CHARM2020 (2021) 023 Fulltext: PDF;
In : 10th International Workshop on Charm Physics (CHARM 2020), Online, Mexico, 31 May - 4 June 2021, pp.023

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