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ALICE Preprints

Ultimi arrivi:
2022-09-09
12:18
Measurement of the lifetime and $\Lambda$ separation energy of $^{3}_{\Lambda}\mathrm H$ / ALICE Collaboration, CERN
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). [...]
CERN-EP-2022-188; arXiv:2209.07360.- Geneva : CERN, 2022 - 10 p. Draft (restricted): PDF; Fulltext: PDF;

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2022-09-08
08:26
Searching for an eco-friendly gas mixture for the ALICE Resistive Plate Chambers / ALICE Collaboration
The ALICE RPCs are operated with a mixture of 89.7% $C_{2}H_{2}F_{4}$, 10% i-$C_{4}H_{10}$ and 0.3% $SF_{6}$. [...]
arXiv:2209.02020.
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2022-09-07
15:30
Neutron emission in ultraperipheral Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV / ALICE Collaboration, CERN /ALICE
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. [...]
CERN-EP-2022-186; arXiv:2209.04250.- Geneva : CERN, 2022 - 18 p. Draft (restricted): PDF; Fulltext: PDF;

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2022-09-02
04:29
$R$-dependence of inclusive jet suppression and groomed jet splittings in heavy-ion collisions with ALICE / Bossi, Hannah (Yale U.)
Jets in relativistic heavy-ion collisions (HICs) interact with the quark-gluon plasma (QGP), leading to effects such as a suppression of jet yields and a modification of internal jet structure that are used to measure the properties of the QGP. [...]
arXiv:2208.14492.
- 6 p.
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2022-08-30
10:31
Performance of the ALICE Electromagnetic Calorimeter / ALICE Collaboration, CERN /ALICE
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 [...]
CERN-EP-2022-184; arXiv:2209.04216.- Geneva : CERN, 2022 - 129 p. Draft (restricted): PDF; Fulltext: PDF;

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2022-08-26
05:01
Particle production as a function of underlying-event activity and very forward energy with ALICE / Fan, Feng (Hua-Zhong Normal U.)
Measurements of charged-particle production in pp and p-Pb collisions at $\sqrt{s}_{\rm NN}=5.02$ TeV in the toward, away and transverse regions are discussed. [...]
arXiv:2208.11348.
- 4 p.
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2022-08-25
04:32
Heavy-flavor jet properties and correlations from small to large systems with ALICE / Mazzilli, Marianna (CERN)
The early production of heavy-flavor (HF, charm and beauty) quarks makes them an excellent probe of the dynamical evolution of quantum chromodynamics (QCD) systems. [...]
arXiv:2208.10908.
- 7 p.
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2022-08-24
05:07
Open and hidden heavy-flavor production in small systems with ALICE / Perrin, Sebastien (IRFU, Saclay, DPHN)
Measurements of quarkonia (heavy quark and antiquark bound states) and open-heavy flavour hadrons in hadronic collisions provide a unique testing ground for understanding quantum chromodynamics (QCD). [...]
arXiv:2208.10254.
- 6 p.
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2022-08-20
08:01
Isolated photon-jet correlations in Pb-Pb collisions at $\sqrt{s_\text{NN}} = 5.02$ TeV in ALICE / Liu, Alwina (UC, Berkeley)
Jets correlated with isolated photons are a promising channel to study jet quenching in heavy-ion collisions, as photons do not interact strongly and therefore constrain the $Q^2$ of the initial hard scattering. [...]
arXiv:2208.08523.
- 6 p.
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2022-08-17
07:47
Heavy-ion physics with the ALICE detector / Miskowiec, Dariusz
Selection of recent (in March 2022) results from the heavy-ion experiment ALICE at the CERN LHC, chosen to address various stages of the nucleus-nucleus reaction..
arXiv:2208.05290.
- 8 p.
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