CERN Accelerating science

ALICE Public Notes

新增:
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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2020-05-26
17:07
Supplemental figures: "Transverse-momentum and event-shape dependence of D-meson flow harmonics in Pb-Pb collisions at ${\sqrt{s_{\rm{NN}}} = 5.02}$ TeV" /ALICE Collaboration
The following public note presents supplemental figures for the paper "Transverse-momentum and event-shape dependence of D-meson flow harmonics in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}} = 5.02$ TeV"~\cite{Acharya:2020pnh}. The elliptic ($v_2$) and triangular ($v_3$) flow coefficients of prompt non-strange D mesons were measured at midrapidity ($|y|<0.8$) in the transverse momentum interval $1< p_{\rm T} <36$ GeV/$c$ in central (0-10\%) and semi-central (30-50\%) Pb-Pb collisions at the centre-of-mass energy per nucleon pair of $\sqrt{s_{\rm NN}}$=5.02 TeV with the ALICE detector at the LHC. [...]
ALICE-PUBLIC-2020-003.- Geneva : CERN, 2020 Fulltext: PDF;

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2020-05-26
14:26
Groomed jet substructure measurements of charm jets tagged with $\rm{D}^{0}$ mesons in pp collisions at $\sqrt{s}$ = 13 TeV /ALICE Collaboration
The ALICE collaboration at the CERN LHC reports the first measurements of groomed jet substructure observables for jets containing a fully reconstructed $\rm{D}^{0}$ in pp collisions at $\sqrt{s}$ = 13 TeV. Iterative declustering techniques access the jet splitting tree of track-based jets, with grooming techniques isolating the perturbative branches. [...]
ALICE-PUBLIC-2020-002.- Geneva : CERN, 2020 - 14. Fulltext: PDF;

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2020-03-08
19:12
Data-driven model for the emission of spectator nucleons as a function of centrality in Pb-Pb collisions at LHC energies /ALICE Collaboration
At colliders the Zero Degree Carimeters (ZDC) measure mainly the energy carried by ``free'' spectators, namely the fragments are not bound in fragments after the collision. The most commonly used event generators for nucleus-nucleus collisions do not include a reliable model to describe the formation of nuclear fragments. [...]
ALICE-PUBLIC-2020-001.- Geneva : CERN, 2020 - 19. Fulltext: PDF;

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2019-12-03
15:29
Supplemental figures: ``Scattering studies with low-energy kaon-proton femtoscopy in proton--proton collisions at the LHC'' /ALICE Collaboration
This short note presents supplemental figures for the paper ``Scattering studies with low-energy kaon-proton femtoscopy in proton--proton collisions at the LHC''..
ALICE-PUBLIC-2019-006.- Geneva : CERN, 2019 Fulltext: PDF;

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2019-10-28
13:50
A Forward Calorimeter (FoCal) in the ALICE experiment /ALICE Collaboration
We discuss a forward electromagnetic and hadronic calorimeter (FoCal) as a possible upgrade to the ALICE experiment, which could be installed during LS3 for data-taking in 2026–2028 at the LHC. The FoCal is a highly granular Si+W electromagnetic calorimeter combined with a conventional sampling hadronic calorimeter covering pseudorapidities of 3.2 < $\eta$ < 5.8. [...]
ALICE-PUBLIC-2019-005.- Geneva : CERN, 2019 Fulltext: PDF;

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