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CERN Document Server	352 záznamov nájdených 1 - 10 skoč na záznam:	Hľadanie trvalo 0.51 sekúnd.

Measurement of the lifetime and $\Lambda$ separation energy of $^{3}_{\Lambda}\mathrm H$ / ALICE Collaboration
The most precise measurements to date of the $^{3}_{\Lambda}\mathrm H$ lifetime $\tau$ and $\Lambda$ separation energy ${\rm B}_{\Lambda}$ are obtained using the data sample of Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=$ 5.02 TeV collected by ALICE at the LHC. The $^{3}_{\Lambda}\mathrm H$ is reconstructed via its charged two-body mesonic decay channel ($^{3}_{\Lambda}\mathrm{H} \rightarrow$ $^3$He + $\pi^-$ and the charge-conjugate process). [...]
arXiv:2209.07360; CERN-EP-2022-188.- Geneva : CERN, 2023-09-05 - 13 p. - Published in : Phys. Rev. Lett. 131 (2023) 102302 Draft (restricted): PDF; Fulltext: 2209.07360 - PDF; Publication - PDF;

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Neutron emission in ultraperipheral Pb-Pb collisions at $\sqrt {s_{NN}}$ = 5.02 TeV / ALICE Collaboration
In ultraperipheral collisions (UPCs) of relativistic nuclei without overlap of nuclear densities, the two nuclei are excited by the Lorentz-contracted Coulomb fields of their collision partners. In these UPCs, the typical nuclear excitation energy is below a few tens of MeV, and a small number of nucleons are emitted in electromagnetic dissociation (EMD) of primary nuclei, in contrast to complete nuclear fragmentation in hadronic interactions. [...]
arXiv:2209.04250; CERN-EP-2022-186.- Geneva : CERN, 2023-06-05 - 26 p. - Published in : Phys. Rev. C 107 (2023) 064902 Draft (restricted): PDF; Fulltext: 2209.04250 - PDF; Publication - PDF;

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Performance of the ALICE Electromagnetic Calorimeter / ALICE Collaboration
The performance of the electromagnetic calorimeter of the ALICE experiment during operation in 2010$-$2018 at the Large Hadron Collider is presented. After a short introduction into the design, readout, and trigger capabilities of the detector, the procedures for data taking, reconstruction, and validation are explained. [...]
arXiv:2209.04216; CERN-EP-2022-184.- Geneva : CERN, 2023-08-10 - 139 p. - Published in : JINST 18 (2023) P08007 Draft (restricted): PDF; Fulltext: document - PDF; 2209.04216 - PDF;

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Measurements of Groomed-Jet Substructure of Charm Jets Tagged by <math display="inline"><mrow><msup><mrow><mi mathvariant="italic">D</mi></mrow><mrow><mn>0</mn></mrow></msup></mrow></math> Mesons in Proton-Proton Collisions at <math display="inline"><mrow><msqrt><mrow><mi>s</mi></mrow></msqrt><mo>=</mo><mn>13</mn><mtext> </mtext><mtext> </mtext><mi>TeV</mi></mrow></math> / ALICE Collaboration
Understanding the role of parton mass and Casimir colour factors in the quantum chromodynamics parton shower represents an important step in characterising the emission properties of heavy quarks. Recent experimental advances in jet substructure techniques have provided the opportunity to isolate and characterise gluon emissions from heavy quarks. [...]
arXiv:2208.04857; CERN-EP-2022-171.- Geneva : CERN, 2023-11-07 - 21 p. - Published in : Phys. Rev. Lett. 131 (2023) 192301 Draft (restricted): PDF; Fulltext: 2208.04857 - PDF; Publication - PDF;

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Anisotropic flow and flow fluctuations of identified hadrons in Pb–Pb collisions at $ \sqrt{s_{\textrm{NN}}} $ = 5.02 TeV / ALICE Collaboration
The first measurements of elliptic flow of $\pi^\pm$, ${\rm K}^\pm$, p+$\overline{\rm p}$, ${\rm K_{S}^0}$, $\Lambda$+$\overline{\Lambda}$, $\phi$, $\Xi^-$+$\Xi^+$, and $\Omega^-$+$\Omega^+$ using multiparticle cumulants in Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV are presented. Results obtained with two- ($v_2\{2\}$) and four-particle cumulants ($v_2\{4\}$) are shown as a function of transverse momentum, $p_{\rm T}$, for various collision centrality intervals. [...]
arXiv:2206.04587; CERN-EP-2022-122.- 2023-05-31 - 29 p. - Published in : JHEP 2305 (2023) 243 Draft (restricted): PDF; Fulltext: document - PDF; 2206.04587 - PDF;

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Observation of flow angle and flow magnitude fluctuations in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV at the LHC / ALICE Collaboration
This Letter reports on the first measurements of transverse momentum dependent flow angle $\Psi_n$ and flow magnitude $v_n$ fluctuations, determined using new four-particle correlators. The measurements are performed for various centralities in Pb-Pb collisions at a centre-of-mass energy per nucleon pair of $\sqrt{s_{\rm NN}}$ = 5.02 TeV with ALICE at the CERN Large Hadron Collider. [...]
arXiv:2206.04574; CERN-EP-2022-121.- 2023-05-24 - 19 p. - Published in : Phys. Rev. C 107 (2023) L051901 Draft (restricted): PDF; Fulltext: 2206.04574 - PDF; Publication - PDF;

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Towards the understanding of the genuine three-body interaction for p$-$p$-$p and p$-$p$-\Lambda$ / ALICE Collaboration
Three-body nuclear forces play an important role in the structure of nuclei and hypernuclei and are also incorporated in models to describe the dynamics of dense baryonic matter, such as in neutron stars. So far, only indirect measurements anchored to the binding energies of nuclei can be used to constrain the three-nucleon force, and if hyperons are considered, the scarce data on hypernuclei impose only weak constraints on the three-body forces. [...]
arXiv:2206.03344; CERN-EP-2022-110.- 2023-07-03 - 22 p. - Published in : Eur. Phys. J. A 59 (2023) 145 Fulltext: 2206.03344 - PDF; Publication - PDF;

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Closing in on critical net-baryon fluctuations at LHC energies: Cumulants up to third order in Pb–Pb collisions / ALICE Collaboration
Fluctuation measurements are important sources of information on the mechanism of particle production at LHC energies. This article reports the first experimental results on third-order cumulants of the net-proton distributions in Pb$-$Pb collisions at a center-of-mass energy $\sqrt{s_{\rm NN}} = 5.02$ TeV recorded by the ALICE detector. [...]
arXiv:2206.03343; CERN-EP-2022-111.- 2022-11-05 - 15 p. - Published in : Phys. Lett. B 844 (2023) 137545 Draft (restricted): PDF; Fulltext: Publication - PDF; 2206.03343 - PDF;

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Constraining the ${\overline{\textrm{K}}}{\textrm{N}}$ coupled channel dynamics using femtoscopic correlations at the LHC / ALICE Collaboration
The interaction of ${\rm{K}^{-}}$ with protons is characterised by the presence of several coupled channels, systems like ${\rm \overline{K}^0}$n and ${\pi\Sigma}$ with a similar mass and the same quantum numbers as the ${\rm{K}^{-}}$ p state. The strengths of these couplings to the ${\rm{K}^{-}}$p system are of crucial importance for the understanding of the nature of the $\Lambda(1405)$ resonance and of the attractive ${\rm{K}^{-}}$ p strong interaction. [...]
arXiv:2205.15176; CERN-EP-2022-107.- Geneva : CERN, 2023-04-28 - 30 p. - Published in : Eur. Phys. J. C 83 (2023) 340 Draft (restricted): PDF; Fulltext: document - PDF; 2205.15176 - PDF;

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10.

$\Sigma (1385)^{\pm }$ resonance production in Pb–Pb collisions at $\sqrt{s_{\textrm{NN}}}~=~5.02$ TeV / ALICE Collaboration
Hadronic resonances are used to probe the hadron gas produced in the late stage of heavy-ion collisions since they decay on the same timescale, of the order of 1 to 10 fm/$c$, as the decoupling time of the system. In the hadron gas, (pseudo)elastic scatterings among the products of resonances that decayed before the kinetic freeze-out and regeneration processes counteract each other, the net effect depending on the resonance lifetime, the duration of the hadronic phase, and the hadronic cross sections at play. [...]
arXiv:2205.13998; CERN-EP-2022-104.- Geneva : CERN, 2023-05-02 - 20 p. - Published in : Eur. Phys. J. C 83 (2023) 351 Draft (restricted): PDF; Fulltext: document - PDF; 2205.13998 - PDF;

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