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CERN Document Server 170 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 1.83 secondes. 
1.
Correction of the baseline fluctuations in the GEM-based ALICE TPC / ALICE TPC Collaboration
To operate the ALICE Time Projection Chamber in continuous mode during the Run~3 and Run~4 data-taking periods of the Large Hadron Collider, the multi-wire proportional chamber-based readout was replaced with gas-electron multipliers. As expected, the detector performance is affected by the so-called common-mode effect, which leads to significant baseline fluctuations. [...]
arXiv:2304.03881.- 2023-11-24 - 30 p. - Published in : JINST 18 (2023) P11021 Fulltext: 2304.03881 - PDF; document - PDF;
2.
ALICE upgrades during the LHC Long Shutdown 2 / ALICE Collaboration
A Large Ion Collider Experiment (ALICE) has been conceived and constructed as a heavy-ion experiment at the LHC. During LHC Runs 1 and 2, it has produced a wide range of physics results using all collision systems available at the LHC. [...]
arXiv:2302.01238; CERN-EP-2023-009.- Geneva : CERN, 2024-05-23 - 159 p. - Published in : JINST 19 (2024) P05062 Draft (restricted): PDF; Fulltext: document - PDF; 2302.01238 - PDF;
In : The Large Hadron Collider and The Experiments for Run 3
3.
Measurement of anti-$^{3}$He nuclei absorption in matter and impact on their propagation in the Galaxy / ALICE Collaboration
Antimatter particles such as positrons and antiprotons abound in the cosmos. Much less common are light antinuclei, composed of antiprotons and antineutrons, which can be produced in our galaxy via high-energy cosmic-ray collisions with the interstellar medium or could also originate from the annihilation of the still undiscovered dark-matter particles. [...]
arXiv:2202.01549; CERN-EP-2022-023.- Geneva : CERN, 2022-12-12 - 11 p. - Published in : Nature Phys. 19 (2023) 61-71 Draft (restricted): PDF; Fulltext: document - PDF; 2202.01549 - PDF;
4.
Measurement of beauty production via non-prompt D$^{0}$ mesons in Pb-Pb collisions at $ \sqrt{{\textrm{s}}_{\textrm{NN}}} $= 5.02 TeV / ALICE Collaboration
The production of non-prompt $\rm D^0$ mesons from beauty-hadron decays was measured at midrapidity ($|y| < 0.5$) in Pb$-$Pb collisions at a nucleon$-$nucleon center-of-mass energy of $\sqrt{s_{\text{NN}}}=5.02$ TeV with the ALICE experiment at the LHC. Their nuclear modification factor ($R_{\rm AA}$), measured for the first time down to $p_{\rm T}=1$ GeV/$c$ in the 0$-$10% and 30$-$50% centrality classes, indicates a significant suppression, up to a factor of about three, for $p_{\rm T} > 5$ GeV/$c$ in the 0$-$10% central Pb$-$Pb collisions. [...]
arXiv:2202.00815; CERN-EP-2022-015.- Geneva : CERN, 2022-12-21 - 24 p. - Published in : JHEP 12 (2022) 126 Draft (restricted): PDF; Fulltext: 2202.00815 - PDF; document - PDF;
5.
Multiplicity dependence of charged-particle jet production in pp collisions at $\mathbf {\sqrt{s}}=\mathbf {13~TeV}$ / ALICE Collaboration
The multiplicity dependence of jet production in pp collisions at the centre-of-mass energy of $\sqrt{s} = 13\ \mathrm{TeV}$ is studied for the first time. Jets are reconstructed from charged particles using the anti-$k_\mathrm{T}$ algorithm with resolution parameters $R$ varying from $0.2$ to $0.7$. [...]
arXiv:2202.01548; CERN-EP-2022-011.- Geneva : CERN, 2022-06-07 - 30 p. - Published in : Eur. Phys. J. C 82 (2022) 514 Draft (restricted): PDF; Fulltext: document - PDF; 2202.01548 - PDF;
6.
First study of the two-body scattering involving charm hadrons / ALICE Collaboration
This Letter presents the first measurement of the interaction between charm hadrons and nucleons. The two-particle momentum correlations of $\mathrm{pD}^{−}$ and $\overline{\mathrm{p}}\mathrm{D}^{+}$ pairs are measured by the ALICE Collaboration in high-multiplicity pp collisions at $\sqrt{s} = 13$ TeV. [...]
arXiv:2201.05352; CERN-EP-2022-006.- Geneva : CERN, 2022-09-01 - 22 p. - Published in : Phys. Rev. D 106 (2022) 052010 Draft (restricted): PDF; Fulltext: 2201.05352 - PDF; PhysRevD.106.052010 - PDF;
7.
Forward rapidity J/$\psi$ production as a function of charged-particle multiplicity in pp collisions at $\sqrt{s} =$ 5.02 and 13 TeV / ALICE Collaboration
The production of J/$\psi$ is measured as a function of charged-particle multiplicity at forward rapidity in proton$-$proton (pp) collisions at center-of-mass energies $\sqrt{s} =$ 5.02 and 13 TeV. The J/$\psi$ mesons are reconstructed via their decay into dimuons in the rapidity interval (2.5 $< y <$ 4.0), whereas the charged-particle multiplicity density (\dnchdeta) is measured at midrapidity $(|\eta| < 1)$. [...]
arXiv:2112.09433; CERN-EP-2021-268.- Geneva : CERN, 2022-06-06 - 33 p. - Published in : JHEP 2206 (2022) 015 Draft (restricted): PDF; Fulltext: document - PDF; 2112.09433 - PDF;
8.
Neutral to charged kaon yield fluctuations in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV / Acharya, Shreyasi (Calcutta, VECC) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; Adolfsson, Jonatan (Lund U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (Turin Polytechnic) ; Agrawal, Neelima (INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) et al. /ALICE
We present the first measurement of event-by-event fluctuations in the kaon sector in Pb$-$Pb collisions at $\sqrt {s_{\rm NN}}=$ 2.76 TeV with the ALICE detector at the LHC. The robust fluctuation correlator $\nu_{\rm dyn}$ is used to evaluate the magnitude of fluctuations of the relative yields of neutral and charged kaons, as well as the relative yields of charged kaons, as a function of collision centrality and selected kinematic ranges. [...]
arXiv:2112.09482; CERN-EP-2021-261.- Geneva : CERN, 2022-09-10 - 20 p. Draft (restricted): PDF; Fulltext: PDF;
9.
Constraining hadronization mechanisms with $\Lambda_{\rm c}^+$/D$^0$ production ratios in Pb–Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV / ALICE Collaboration
The production of prompt $\Lambda_{\rm c}^+$ baryons at midrapidity (|y| < 0.5) was measured in central (0–10%) and mid-central (30–50%) Pb–Pb collisions at the center-of-mass energy per nucleon–nucleon pair $\sqrt{s_{\rm NN}}$ = 5.02 TeV with the ALICE detector. The $\Lambda_{\rm c}^+$ production yield, the $\Lambda_{\rm c}^+$/D$^0$ production ratio, and the $\Lambda_{\rm c}^+$ nuclear modification factor $R_{\rm AA}$ are reported. [...]
arXiv:2112.08156; CERN-EP-2021-260.- Geneva : CERN, 2023-04-10 - 24 p. - Published in : Phys. Lett. B 839 (2023) 137796 Draft (restricted): PDF; Fulltext: PDF;
10.
Production of light (anti)nuclei in pp collisions at $\sqrt{s}~=~5.02$ TeV / ALICE Collaboration
The study of the production of nuclei and antinuclei in pp collisions has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. In this paper, the production of protons, deuterons and $^3$He and their charge conjugates at midrapidity is studied as a function of the charged-particle multiplicity in inelastic pp collisions at $\sqrt{s}=5.02$ TeV using the ALICE detector. [...]
arXiv:2112.00610; CERN-EP-2021-250.- Geneva : CERN, 2022-04-04 - 21 p. - Published in : Eur. Phys. J. C 82 (2022) 289 Draft (restricted): PDF; Fulltext: Publication - PDF; 2112.00610 - PDF;

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