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ALICE Public Notes

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2021-05-05
17:57
ALICE physics projections for a short oxygen-beam run at the LHC /ALICE Collaboration
This document collects performance projections for a selection of measurements that can be carried out with a short O$-$O run during the LHC Run 3. The baseline centre-of-mass energy per nucleon$-$nucleon collision is $\sqrt{s_{\rm NN}}=6.37$ TeV and measurement uncertainties are given for the integrated luminosity $L_{\rm int}= 1$ nb$^{-1}$. [...]
ALICE-PUBLIC-2021-004.- Geneva : CERN, 2021 Fulltext: PDF;

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2021-04-30
18:24
Signal extraction in the analysis of $\omega$ and $\phi$ meson production at forward rapidity in pp collisions at the LHC /ALICE Collaboration
This note contains details on the technique used for the signal extraction in the low-mass dimuon analyses in the rapidity range $2.5<y<4$, with particular attention for the $\omega$ and $\phi$ mesons. The main sources contributing to low mass region (LMR) are the light meson decays into muon pairs, the so-called hadronic cocktail, and a contribution coming from semimuonic decays of charm and beauty hadrons (referred in the following as open charm/beauty processes) [...]
ALICE-PUBLIC-2021-003.- Geneva : CERN, 2021 - 15. - Published in : ALICE Publications
- Published in : ALICE Publications
- Published in : ALICE Publications Fulltext: PDF;

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2021-03-29
17:17
Physics Preliminary Summary: Measurement of the primary Lund plane density in pp collisions at $\sqrt{s} = \rm{13}$ TeV with ALICE /ALICE Collaboration
A measurement of the primary Lund plane density in pp collisions at ALICE is presented. The Lund plane is built for inclusive charged-particle jets in the transverse momentum range of $20 \leq p_{\rm{T,jet}}^{\rm ch} \leq 120$ GeV$/c$ using an integrated luminosity $L_{\rm{int}} \approx 22.55$ nb$^{-1}$ recorded in minimum bias data for pp collisions at $\sqrt{s} =$ 13 TeV [...]
ALICE-PUBLIC-2021-002.- Geneva : CERN, 2021 - 18. Fulltext: PDF;

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2021-01-12
18:14
ALICE luminosity determination for Pb$-$Pb collisions at $\mathbf{\sqrt{s_{\rm NN}}=5.02}$ TeV /ALICE Collaboration
Luminosity determination in ALICE is based on visible cross sections measured in van der Meer scans. In 2015 and 2018, the Large Hadron Collider provided \PbPb collisions at a centre-of-mass energy per nucleon pair of $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV. [...]
ALICE-PUBLIC-2021-001.- Geneva : CERN, 2021 - 19. Fulltext: PDF;

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2020-12-09
18:48
Supplemental figure: ''Production of muons from heavy-flavour hadron decays at high transverse momentum in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ and $2.76$ TeV'' /ALICE Collaboration
This public note presents a supplemental figure for the publication ''Production of muons from heavy-flavour hadron decays at high transverse momentum in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ and $2.76$ TeV''~\cite{Acharya:2020xzh}. In this publication, the nuclear modification factor $R_{\rm AA}$ of muons from heavy-flavour hadron decays in the forward rapidity interval ($2.5 < y < 4$) is measured as a function of transverse momentum $p_{\rm T}$ in central (0-10%), semi-central (20-40%) and peripheral (60-80%) centrality classes in the interval $3 < p_{\rm T}< 20$ GeV/$c$. [...]
ALICE-PUBLIC-2020-009.- Geneva : CERN, 2020 Fulltext: PDF;

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2020-10-13
11:53
Quarkonium projections in p-Pb collisions for Run 3 and Run 4 /ALICE Collaboration
This note contains the projections in proton-nucleus collisions for $\psi(2\mathrm{S})/\mathrm{J}/\psi$ and $\Upsilon(n\mathrm{S})/\Upsilon(1\mathrm{S})$ in Run 3 and Run 4. With respect to LHC Run 2, a reduction of a factor $\approx$5 of the statistical uncertainties is estimated, assuming the increase of luminosity from $\sim$21.6 $\mathrm{nb}^{-1}$ to $\sim$500 $\mathrm{nb}^{-1}$..
ALICE-PUBLIC-2020-008.- Geneva : CERN, 2020 Fulltext: PDF;

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2020-10-08
11:52
Reference pp cross sections for J/$\psi$ and $\psi$(2S) production studies in p--Pb collisions at $\sqrt{s_{\mathrm{NN}}}=8.16$ TeV /ALICE Collaboration
The values of the J/$\psi$ and $\psi$(2S) production cross sections in pp collisions at a centre-of-mass energy of $\sqrt{s} = 8.16$ TeV are reported. These values are obtained from the existing measurements at $\sqrt{s} = 8$ TeV using an energy interpolation combined with an extrapolation in rapidity [...]
ALICE-PUBLIC-2020-007.- Geneva : CERN, 2020 Fulltext: PDF;

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2020-07-31
03:26
Physics Preliminary Summary: Measurements of the groomed jet radius and groomed momentum fraction in pp and Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV /ALICE Collaboration
We report jet substructure measurements in pp and Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV with the ALICE detector. The groomed jet momentum fraction, $z_\rm{g}$, and the groomed jet radius, $\theta_\rm{g} \equiv R_\rm{g}/R$, are measured using the Soft Drop grooming algorithm. [...]
ALICE-PUBLIC-2020-006.- Geneva : CERN, 2020 - 24. Fulltext: PDF;

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2020-07-24
19:41
Future high-energy pp programme with ALICE /ALICE Collaboration
This document presents the proposal of the ALICE Collaboration for an extended data taking programme with high-energy proton-proton collisions ($\sqrt s \approx 13$--14~TeV). The proposed programme includes two components: a sample with a target integrated luminosity of about 200 pb$^{-1}$, for which a highly-selective software-based event skimming will be performed after data reconstruction, and a minimum bias sample with a target integrated luminosity of about 3 pb$^{-1}$. [...]
ALICE-PUBLIC-2020-005; CERN-LHCC-2020-018; LHCC-G-179.- Geneva : CERN, 2020 Fulltext: PDF;

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2020-06-09
11:54
Supplemental figures: "First measurement of quarkonium polarization in nuclear collisions at the LHC" /ALICE Collaboration
This note contains additional figures accompanying the publication \cite{Acharya:2020xko} in which the first measurement of quarkonium polarization in heavy-ion collisions is discussed.
ALICE-PUBLIC-2020-004.- Geneva : CERN, 2020 Fulltext: PDF;

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