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ALICE Papers

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2023-02-27
17:40
Measurement of the radius dependence of charged-particle jet suppression in Pb–Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV
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. [...]
arXiv:2303.00592 ; CERN-EP-2023-027. - 2023. - 31 p.
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2023-02-24
15:45
Inclusive photon production at forward rapidities in pp and p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV
A study of multiplicity and pseudorapidity distributions of inclusive photons measured in pp and p-Pb collisions at a center-of-mass energy per nucleon-nucleon collision of $\sqrt{s_{\rm NN}}$ = 5.02 TeV using the ALICE detector in the forward pseudorapidity region $2.3 < \eta_{\rm lab} < 3.9$ is presented. [...]
arXiv:2303.00590 ; CERN-EP-2023-026. - 2023. - 27 p.
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2023-02-24
11:29
Azimuthal correlations of heavy-flavor hadron decay electrons with charged particles in pp and p–Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV
The azimuthal ($\Delta\varphi$) correlation distributions between heavy-flavor decay electrons and associated charged particles are measured in pp and p–Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV. [...]
arXiv:2303.00591 ; CERN-EP-2023-024. - 2023. - 31 p.
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2023-02-16
15:24
Measurement of the $\Lambda$ hyperon lifetime
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. [...]
arXiv:2303.00606 ; CERN-EP-2023-020. - 2023. - 13 p.
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2023-02-13
11:11
Measurement of the non-prompt D-meson fraction as a function of multiplicity in proton$-$proton collisions at $\sqrt{s} = 13$ TeV
The fractions of non-prompt (i.e. [...]
arXiv:2302.07783 ; CERN-EP-2023-018. - 2023. - 21 p.
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2023-01-30
18:45
Symmetry plane correlations in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$ TeV /ALICE Collaboration
A newly developed observable for correlations between symmetry planes, which characterize the direction of the anisotropic emission of produced particles, is measured in Pb--Pb collisions at $\sqrt{s_\text{NN}}$~=~2.76~TeV with ALICE. This so-called Gaussian Estimator allows for the first time the study of these quantities without the influence of correlations between different flow amplitudes. [...]
arXiv:2302.01234; CERN-EP-2023-012.- Geneva : CERN, 2023 - 21 p. Draft (restricted): PDF; Fulltext: PDF;

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2023-01-26
11:16
ALICE upgrades during the LHC Long Shutdown 2
A Large Ion Collider Experiment (ALICE) has been conceived and constructed as a heavy-ion experiment at the LHC. [...]
arXiv:2302.01238 ; CERN-EP-2023-009. - 2023. - 151 p.
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2023-01-23
12:50
Exploring the non-universality of charm hadronisation through the measurement of the fraction of jet longitudinal momentum carried by $\Lambda_{\rm c}^{+}$ baryons in pp collisions
Recent measurements of charm-baryon production in hadronic collisions have questioned the universality of charm-quark fragmentation across different collision systems. [...]
arXiv:2301.13798 ; CERN-EP-2023-005. - 2023. - 9 p.
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2022-12-20
14:34
Azimuthal anisotropy of jet particles in p-Pb and Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV /ALICE Collaboration
The azimuthal anisotropy of particles associated with jets (jet particles) at midrapidity is measured for the first time in p-Pb and Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV down to transverse momentum ($p_{\rm T}$) of 0.5 GeV/$c$ and 2 GeV/$c$, respectively, with ALICE. The second-order Fourier coefficient of the jet-particle azimuthal distribution ($v_2$) in high-multiplicity p-Pb collisions is positive, with a significance reaching 6.8$\sigma$ at low $p_{\rm T}$. [...]
arXiv:2212.12609; CERN-EP-2022-290.- Geneva : CERN, 2022 - 12 p. Draft (restricted): PDF; Fulltext: PDF;

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2022-12-09
16:41
First measurement of prompt and non-prompt ${\rm D^{*+}}$ vector meson spin alignment in pp collisions at $\sqrt{s} = 13$ TeV
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. [...]
arXiv:2212.06588 ; CERN-EP-2022-283. - 2022. - 16 p.
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