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CERN Document Server 2,051 records found  1 - 10próximoend  jump to record: Search took 7.88 seconds. 
1.
(100)
First measurement of the $|t|$-dependence of coherent J/$\psi$ photonuclear production / ALICE Collaboration
The first measurement of the dependence on $|t|$, the square of the momentum transferred between the incoming and outgoing target nucleus, of coherent J/ψ photoproduction is presented. The data were measured with the ALICE detector in ultra-peripheral Pb-Pb collisions at a centre-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}} = 5.02$ TeV with the J/$\psi$ produced in the central rapidity region $|y| < 0.8$, which corresponds to the small Bjorken-$x$ range $(0.3 − 1.4) \times 10 ^{−3}$. [...]
arXiv:2101.04623; CERN-EP-2021-003.- Geneva : CERN, 2021-06-10 - 21 p. - Published in : Phys. Lett. B 817 (2021) 136280 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
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2.
(91)
Inclusive heavy-flavour production at central and forward rapidity in Xe-Xe collisions at $\sqrt {s_{NN}}$=5.44$ TeV / ALICE Collaboration
The first measurements of the production of muons and electrons from heavy-flavour hadron decays in Xe--Xe collisions at $\sqrt{s_{\rm NN}}$ = 5.44 TeV, using the ALICE detector at the LHC, are reported. The measurement of the nuclear modification factor $R_{\rm AA}$ is performed as a function of transverse momentum $\pT$ in several centrality classes at forward rapidity ($2.5 < y <4$) and midrapidity ($\vert y \vert < 0.8$) for muons and electrons from heavy-flavour hadron decays, respectively. [...]
arXiv:2011.06970; CERN-EP-2020-208.- Geneva : CERN, 2021-06-04 - 16 p. - Published in : Phys. Lett. B 819 (2021) 136437 Article from SCOAP3: PDF; Draft (restricted): PDF; Fulltext: PDF;
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3.
(81)
Production of K$^{*}(892)^{0}$ and $\phi(1020)$ in pp and Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / ALICE Collaboration
The production of K$^{*}(892)^{0}$ and $\phi(1020)$ mesons in proton-proton (pp) and lead-lead (Pb$-$Pb) collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV has been measured using the ALICE detector at the Large Hadron Collider (LHC). The transverse momentum ($p_{\mathrm{T}}$) distributions of K$^{*}(892)^{0}$ and $\phi(1020)$ mesons have been measured at mid-rapidity $(|y|<0.5)$ up to $p_{\mathrm{T}}$ $=$ 20 GeV$/c$ in inelastic pp collisions and for several Pb$-$Pb collision centralities. [...]
arXiv:2106.13113; CERN-EP-2021-101.- Geneva : CERN, 2022-09-14 - 20 p. - Published in : Phys. Rev. C 106 (2022) 034907 Draft (restricted): PDF; Fulltext: 2106.13113 - PDF; PhysRevC.106.034907 - PDF;
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4.
(81)
Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC / ALICE Collaboration
Recent $p_{\rm T}$-integrated cross section measurements of the ground-state charm mesons and baryons, $\mathrm{D^0}$, $\mathrm{D^+}$, $\mathrm{D_s^+}$, $\Lambda_\mathrm{c}^+$, and $\Xi_\mathrm{c}^0$, are used to evaluate the charm fragmentation fractions and production cross section per unit of rapidity at midrapidity ($|y|<0.5$), in pp collisions at $\sqrt{s} = 5.02$ TeV at the LHC. The latter is $\mathrm{d}\sigma^{\mathrm{c\overline{c}}}/\mathrm{d} y|_{|y| < 0.5}=1165\pm 44(\mathrm{stat})^{+134}_{-101}(\mathrm{syst}) \ \mu\mathrm{b}$. [...]
arXiv:2105.06335; CERN-EP-2021-088.- Geneva : CERN, 2022-01-01 - 14 p. - Published in : Phys. Rev. D 105 (2022) L011103 Draft (restricted): PDF; Fulltext: PhysRevD.105.L011103 - PDF; 2105.06335 - PDF;
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5.
(81)
Measurement of Prompt D$^{0}$, $\Lambda_{c}^{+}$, and $\Sigma_{c}^{0,++}$(2455) Production in Proton–Proton Collisions at $\sqrt s$ = 13  TeV / ALICE Collaboration
The $p_{\rm T}$-differential production cross sections of prompt D$^{0}$, $\Lambda_{\rm c}^{+}$, and $\Sigma_{\rm c}^{0,++}(2455)$ charmed hadrons are measured at midrapidity ($|y| < 0.5$) in pp collisions at $\sqrt{s} = 13$ TeV. This is the first measurement of $\Sigma_{\rm c}^{0,++}$ production in hadronic collisions. [...]
arXiv:2106.08278; CERN-EP-2021-103.- Geneva : CERN, 2022-01-05 - 13 p. - Published in : Phys. Rev. Lett. 128 (2022) 012001 Draft (restricted): PDF; Fulltext: 2106.08278 - PDF; PhysRevLett.128.012001 - PDF;
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6.
(81)
Measurement of the groomed jet radius and momentum splitting fraction in pp and Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / ALICE Collaboration
This article presents groomed jet substructure measurements in pp and Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV with the ALICE detector. The Soft Drop grooming algorithm provides access to the hard parton splittings inside a jet by removing soft wide-angle radiation. [...]
arXiv:2107.12984; CERN-EP-2021-151.- Geneva : CERN, 2022-03-07 - 18 p. - Published in : Phys. Rev. Lett. 128 (2022) 102001 Draft (restricted): PDF; Fulltext: PhysRevLett.128.102001 - PDF; 2107.12984 - PDF;
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7.
(81)
Measurement of prompt $\rm{D_{s}^{+}}$-meson production and azimuthal anisotropy in Pb--Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV / ALICE Collaboration
The production yield and angular anisotropy of prompt ${D_s^+}$ mesons were measured as a function of transverse momentum ($p_{ T}$) in Pb-Pb collisions at a centre-of-mass energy per nucleon pair $\sqrt{s_{ NN}} = 5.02$ TeV collected with the ALICE detector at the LHC. ${D_s^+}$ mesons and their charge conjugates were reconstructed at midrapidity ($|y|<0.5$) from their hadronic decay channel ${D_s^+ \to \phi \pi^+}$, with ${\phi \to K^-K^+}$, in the $p_{ T}$ intervals $210$ GeV/$c$, the measured ${D_s^+}$-meson nuclear modification factor $R_{ AA}$ is consistent with the one of non-strange D mesons within uncertainties, while at lower $p_{ T}$ a hint for a ${D_s^+}$-meson $R_{ AA}$ larger than that of non-strange D mesons is seen. [...]
arXiv:2110.10006; CERN-EP-2021-187.- Geneva : CERN, 2022-04-10 - 29 p. - Published in : Phys. Lett. B 827 (2022) 136986 Draft (restricted): PDF; Fulltext: PDF; Fulltext from publisher: PDF;
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8.
(80)
Measurement of the Cross Sections of $\Xi^0_{c}$ and $\Xi^+_{c}$ Baryons and of the Branching-Fraction Ratio BR($\Xi^0_{c} \rightarrow \Xi^-{e}^+\nu_{ e}$)/BR($\Xi^0_{c} \rightarrow \Xi^-\pi^+$) in pp collisions at 13 TeV / ALICE Collaboration
The $p_{\rm T}$-differential cross sections of prompt charm-strange baryons $\rm \Xi_{c}^{0}$ and $\rm \Xi_{c}^{+}$ were measured at midrapidity (|y| < 0.5) in proton–proton (pp) collisions at a centre-of-mass energy $\sqrt{s}$ = 13 TeV with the ALICE detector at the LHC. The $\rm \Xi_{c}^{0}$ baryon was reconstructed via both the semileptonic decay ($\rm \Xi_{c}^{0} \rightarrow \Xi^{-}e^+ \nu$) and the hadronic decay ($\rm \Xi_{c}^{0} \rightarrow \Xi^{-} \pi^{+}$) channels. [...]
arXiv:2105.05187; CERN-EP-2021-084.- Geneva : CERN, 2021-12-28 - 17 p. - Published in : Phys. Rev. Lett. 127 (2021) 272001 Draft (restricted): PDF; Fulltext: Supplemental Material - PDF; PhysRevLett.127.272001 - PDF; 2105.05187 - PDF;
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9.
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Production of $\Lambda$ and $K^0_s$ in jets in p–Pb collisions at $\sqrt {s_{NN}}$=5.02 TeV and pp collisions at $\sqrt {s}$=7 TeV / ALICE Collaboration
The production of $\Lambda$ baryons and ${\rm K}^{0}_{\rm S}$ mesons (${\rm V}^{0}$ particles) was measured in p-Pb collisions at $\sqrt{s_{\rm NN}} = 5$ TeV and pp collisions at $\sqrt{s} = 7$ TeV with ALICE at the LHC. The production of these strange particles is studied separately for particles associated with hard scatterings and the underlying event to shed light on the baryon-to-meson ratio enhancement observed at intermediate transverse momentum ($p_{\rm T}$) in high multiplicity pp and p-Pb collisions. [...]
arXiv:2105.04890; CERN-EP-2021-048.- Geneva : CERN, 2022-04-10 - 15 p. - Published in : Phys. Lett. B 827 (2022) 136984 Draft (restricted): PDF; Fulltext: 1-s2.0-S0370269322001186-main - PDF; 2105.04890 - PDF;
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10.
(80)
Soft-Dielectron Excess in Proton-Proton Collisions at $\sqrt{s}$ = 13 TeV / ALICE Collaboration
A measurement of dielectron production in proton-proton (pp) collisions at $\sqrt{s}$ = 13 TeV, recorded with the ALICE detector at the CERN LHC, is presented in this Letter. The data set was recorded with a reduced magnetic solenoid field. [...]
arXiv:2005.14522; CERN-EP-2020-095.- Geneva : CERN, 2021-07-23 - 13 p. - Published in : Phys. Rev. Lett. 127 (2021) 042302 Draft (restricted): PDF; Fulltext: PDF; Fulltext from publisher: PDF;
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