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CERN Document Server 167 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.52 sekúnd. 
1.
First polarisation measurement of coherently photoproduced J/$\psi$ in ultra-peripheral Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / Acharya, Shreyasi (Clermont-Ferrand U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Goethe U., Frankfurt, Inst. Inform.) ; 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) ; Ahuja, Ishaan (Kosice U.) et al. /ALICE
The first measurement of the polarisation of coherently photoproduced J/$\psi$ mesons in ultra-peripheral Pb$-$Pb collisions, using data at $\sqrt{s_{\rm NN}} = 5.02$ TeV , is presented. The J/$\psi$ meson is measured via its dimuon decay channel in the forward rapidity interval $-4.0 < y < -2.5$ using the ALICE detector at the CERN LHC. [...]
arXiv:2304.10928; CERN-EP-2023-068.- Geneva : CERN, 2023 - 19 p. Draft (restricted): PDF; Fulltext: PDF;
2.
Measurement of the radius dependence of charged-particle jet suppression in Pb–Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / ALICE Collaboration
The ALICE Collaboration reports a new differential measurement of inclusive jet suppression using pp and Pb–Pb collision data at center-of-mass energy per nucleon–nucleon collision $\sqrt{s_{\rm NN}} = 5.02$ TeV. Charged-particle jets are reconstructed using the anti-$k_{\rm T}$ algorithm with resolution parameters $R$ = 0.2, 0.3, 0.4, 0.5, and 0.6 in pp collisions and $R$ = 0.2, 0.4, 0.6 in central (0–10\%), semi-central (30–50\%), and peripheral (60–80\%) Pb–Pb collisions. [...]
arXiv:2303.00592; CERN-EP-2023-027.- Geneva : CERN, 2023-12-21 - 35 p. - Published in : Phys. Lett. B 849 (2024) 138412 Draft (restricted): PDF; Fulltext: PDF;
3.
Measurement of the $\Lambda$ hyperon lifetime / ALICE Collaboration
A new, more precise measurement of the $\Lambda$ hyperon lifetime is performed using a large data sample of Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV with ALICE. The $\Lambda$ and $\overline{\Lambda}$ hyperons are reconstructed at midrapidity using their two-body weak decay channel $\Lambda \rightarrow {\rm p}+\pi^-$ and $\overline{\Lambda} \rightarrow \overline{\rm p}+\pi^+$. [...]
arXiv:2303.00606; CERN-EP-2023-020.- Geneva : CERN, 2023-08-11 - 15 p. - Published in : Phys. Rev. D 108 (2023) 032009 Draft (restricted): PDF; Fulltext: Publication - PDF; 2303.00606 - PDF;
4.
Measurement of the non-prompt D-meson fraction as a function of multiplicity in proton-proton collisions at $ \sqrt{s} $ = 13 TeV / ALICE Collaboration
The fractions of non-prompt (i.e. originating from beauty-hadron decays) D$^0$ and D$^+$ mesons with respect to the inclusive yield are measured as a function of the charged-particle multiplicity in proton--proton collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV with the ALICE detector at the LHC. [...]
arXiv:2302.07783; CERN-EP-2023-018.- Geneva : CERN, 2023-10-16 - 28 p. - Published in : JHEP 2310 (2023) 092 Draft (restricted): PDF; Fulltext: 2302.07783 - PDF; document - PDF;
5.
First measurement of prompt and non-prompt ${\rm D^{*+}}$ vector meson spin alignment in pp collisions at $\sqrt{s} = 13$ TeV / ALICE Collaboration
This letter reports the first measurement of spin alignment, with respect to the helicity axis, for ${\rm D^{*+}}$ vector mesons and their charge conjugates from charm-quark hadronisation (prompt) and from beauty-meson decays (non-prompt) in hadron collisions. The measurements were performed at midrapidity ($|y|<0.8$) as a function of transverse momentum ($p_{\rm T}$) in proton-proton (pp) collisions collected by ALICE at the centre-of-mass energy $\sqrt{s} = 13$ TeV. [...]
arXiv:2212.06588; CERN-EP-2022-283.- Geneva : CERN, 2023-09-20 - 15 p. - Published in : Phys. Lett. B 846 (2023) 137920 Draft (restricted): PDF; Fulltext: 2212.06588 - PDF; Publication - PDF;
6.
Measurement of (anti)nuclei production in p-Pb collisions at $\sqrt{s_{\rm NN}} = 8.16$ TeV / ALICE Collaboration
Measurements of (anti)proton, (anti)deuteron, and (anti)$^3$He production in the rapidity range $-1<y< 0$ as a function of the transverse momentum and event multiplicity in p-Pb collisions at a center-of-mass energy per nucleon-nucleon pair $\sqrt{s_{\rm NN}} = 8.16$ TeV are presented. The coalescence parameters $B_2$ and $B_3$, measured as a function of the transverse momentum per nucleon and of the mean charged-particle multiplicity density, confirm a smooth evolution from low to high multiplicity across different collision systems and energies. [...]
arXiv:2212.04777; CERN-EP-2022-275.- Geneva : CERN, 2023-09-15 - 17 p. - Published in : Phys. Lett. B 846 (2023) 137795 Draft (restricted): PDF; Fulltext: 2212.04777 - PDF; Publication - PDF;
7.
Production of pions, kaons, and protons as a function of the relative transverse activity classifier in pp collisions at $ \sqrt{s} $ = 13 TeV / ALICE Collaboration
The production of $\pi^\pm$, K$^\pm$, and ($\overline{\mathrm{p}}$)p is measured in pp collisions at $\sqrt{s}$ = 13 TeV in different topological regions of the events. Particle transverse momentum ($p_{\rm T}$) spectra are measured in the ``toward'', ``transverse'', and ``away'' angular regions defined with respect to the direction of the leading particle in the event. [...]
arXiv:2301.10120; CERN-EP-2022-286.- Geneva : CERN, 2023-06-06 - 32 p. - Published in : JHEP 2306 (2023) 027 Draft (restricted): PDF; Fulltext: 2301.10120 - PDF; document - PDF;
8.
Multiplicity dependence of charged-particle production in pp, p-Pb, Xe-Xe and Pb-Pb collisions at the LHC / ALICE Collaboration
Multiplicity ($N_{\mathrm {ch}}$) distributions and transverse momentum ($p_{\mathrm T}$) spectra of inclusive primary charged particles in the kinematic range of $|\eta| < 0.8$ and 0.15 GeV/$c$ $< p_{\mathrm T} < 10$ GeV/$c$ are reported for pp, p-Pb, Xe-Xe and Pb-Pb collisions at centre-of-mass energies per nucleon pair ranging from $\sqrt{s_\mathrm{NN}} = 2.76$ TeV up to 13 TeV. A sequential two-dimensional unfolding procedure is used to extract the correlation between the transverse momentum of primary charged particles and the charged-particle multiplicity of the corresponding collision. [...]
arXiv:2211.15326; CERN-EP-2022-266.- Geneva : CERN, 2023-08-14 - 21 p. - Published in : Phys. Lett. B 845 (2023) 138110 Draft (restricted): PDF; Fulltext: 2211.15326 - PDF; Publication - PDF;
9.
Enhanced deuteron coalescence probability in jets / ALICE Collaboration
The transverse-momentum ($p_{\rm T}$) spectra and coalescence parameters $B_2$ of (anti)deuterons are measured in pp collisions at $\sqrt{s} = 13$ TeV in and out of jets. In this measurement, the direction of the leading particle with the highest $p_{\rm T}$ in the event ($p_{\rm T}^{\rm{ lead}} > 5$ GeV/$c$) is used as an approximation for the jet axis [...]
arXiv:2211.15204; CERN-EP-2022-264.- Geneva : CERN, 2023-07-26 - 14 p. - Published in : Phys. Rev. Lett. 131 (2023) 042301 Draft (restricted): PDF; Fulltext: 2211.15204 - PDF; Publication - PDF;
10.
Light (anti)nuclei production in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV / ALICE Collaboration
The measurement of the production of deuterons, tritons and ${^{3}\mathrm{He}}$ and their antiparticles in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV is presented in this article. The measurements are carried out at midrapidity ($|y| < 0.5$) as a function of collision centrality using the ALICE detector. [...]
arXiv:2211.14015; CERN-EP-2022-263.- Geneva : CERN, 2023-06-08 - 24 p. - Published in : Phys. Rev. C 107 (2023) 064904 Draft (restricted): PDF; Fulltext: 2211.14015 - PDF; Publication - PDF;

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