Recent highlights

On the transparency of our Galaxy to anti-3He nuclei

The anti-³He inelastic interaction cross-section was measured for the first time, using the ALICE detector material as an effective target in proton-proton and lead-lead collisions at the LHC: arXiv link.... Read more.

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Mass matters when quarks cross a QGP

Non-prompt to prompt D⁰-meson R_AA ratio, measured as a function of transverse momentum in the 0–10% central Pb-Pb collisions at 5.02 TeV: arXiv link.

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Constraining hadronisation mechanisms with charm baryons in Pb-Pb

The Λ_c production yield, the Λ_c⁺/D⁰ production ratio, and the Λ_c nuclear modification factor R_AA are presented Pb-Pb collisions at 5.02 TeV: arXiv link.

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Ultimate Run2 D mesons constrain QGP diffusion coefficient

Nuclear modification factor and elliptic flow coefficient as a function of p_T measured in the 0-10% and 30-50% centrality class, respectively, and compared with theoretical model predictions implementing charm-quark transport in the QGP.

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Light-nuclei wave functions probed via coalescence

Measurement of the coalescence parameters B₂ (left) and B₃ (right) as a function of transverse momentum in high-multiplicity pp collisions and comparison with theoretical predictions corresponding to different nuclear wave functions.

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First measurement of the strong proton-φ interaction at the LHC

Proton-φ momentum correlation function as a function of relative momentum, compared to the fit function, measured for the first time by the ALICE collaboration at the LHC in pp collisions at 13 TeV.

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Midrapidity J/ψ in pp at 5 and 13 TeV

Inclusive J/ψ production cross section measured at midrapidity for pp collisions compared to model calculations (left), and the beauty cross section at midrapidty as a function of c.m. energy (right panel).

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ALICE briefing for EPS-HEP2021: 26-30 July 2021

The ALICE Collaboration participates in EPS-HEP2021 with 1 plenary, 27 parallel and 7 poster presenters.

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Here’s the dead cone, finally!

Declustering D$^{0}$-meson tagged jets in pp collisions allows for the dynamic reconstruction of gluon emissions in the charm-quark shower, exposing the suppressed emission phase-space known as the dead-cone: arXiv.

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ALICE physics briefing for LHCP2021: 7-12 June 2021

The ALICE Collaboration presents several new physics results at the 9th Large Hadron Collider Physics conference LHPC2021 this week (https://indico.cern.ch/event/905399/), as well as the ongoing major detector upgrade for the LHC Run 3, prospects for further upgrades for Run 4, and for a completely new heavy-ion detector for Run 5 and beyond.

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