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Heavy quarks are effective probes to study the properties of the quark-gluon plasma (QGP) produced in ultra-relativistic heavy-ion collisions. In this contribution, the latest results on open heavy-flavour production in pp and Pb-Pb…

核实验 · 物理学 2022-09-21 Luuk Vermunt

We analyze the newest data from the NA61/SHINE collaboration which, in addition to previous results on pions and kaons, include mean multiplicities of $p$, $\Lambda$, and $\phi$-mesons produced in inelastic proton-proton (p+p) interactions…

核理论 · 物理学 2018-12-05 V. V. Begun , V. Vovchenko , M. I. Gorenstein , H. Stoecker

Assuming that the final state of hadronization takes place along the freezeout line, which is defined by a constant entropy density, the antiproton-to-proton ratios produced in heavy-ion collisions are studied in framework of the hadron…

高能物理 - 唯象学 · 物理学 2011-07-28 A. Tawfik

The hadron resonance gas (HRG) is a widely used description of matter under extreme conditions, e.g. in the context of heavy-ion phenomenology. Commonly used implementations of the HRG employ vacuum hadron masses throughout the hadronic…

高能物理 - 格点 · 物理学 2019-04-17 Gert Aarts , Chris Allton , Davide De Boni , Benjamin Jäger

An analysis of hadron abundances in heavy ion collisions from SPS to RHIC energy within the statistical-thermal model is presented. Pb--Pb collisions at 40 A GeV are analysed for the first time here. Unlike stated in similar recent studies,…

高能物理 - 唯象学 · 物理学 2008-11-26 F. Becattini

The ALICE experiment has unique capabilities for particle identification at mid rapidity over a wide range of transverse momenta, making it an ideal tool for comprehensive measurements of hadrons such as charged pions, kaons, and protons as…

高能物理 - 实验 · 物理学 2019-08-14 Tuva Richert

We develop a novel formulation of the hadron-resonance gas model which, besides a hard-core repulsion, explicitly accounts for the surface tension induced by the interaction between the particles. Such an equation of state allows us to go…

Nucleus-nucleus collisions at RHIC produce high temperature and high energy density matter which exhibits partonic degrees of freedom. We will discuss measurements of nuclear modification factors for light hadrons and non-photonic electrons…

核实验 · 物理学 2007-05-23 Huan Z. Huang

Heavy flavor production is an ideal tool to study the properties of the Quark Gluon Plasma (QGP). The heavy flavor production at the Relativistic Heavy Ion Collider (RHIC) has its unique kinematic coverage and different production…

高能物理 - 实验 · 物理学 2018-09-28 Xuan Li

Recent studies show that for central collisions the rising of the incident energy from AGS to RHIC decreases the value of the chemical potential in the Hadron-QGP phase diagram. Thus, the formation of QGP at RHIC energies in central…

高能物理 - 唯象学 · 物理学 2008-11-26 A. Delfino , J. B. da Silva , M. Malheiro , M. Chiapparini , M. E. Bracco

We construct a theoretical framework to describe the evolution of heavy flavors produced in relativistic heavy-ion collisions. The in-medium energy loss of heavy quarks is described using our modified Langevin equation that incorporates…

核理论 · 物理学 2015-08-19 Shanshan Cao , Guang-You Qin , Steffen A. Bass

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). Although recently there was significant…

核实验 · 物理学 2022-08-23 Sebastien Perrin

The ALICE detector was designed to identify hadrons over a wide range of transverse momentum at mid-rapidity. Here measurements of light charged ({\pi}, K, p) and neutral ({\Lambda}, K0S) hadrons in Pb-Pb collisions at sqrt(s_NN) = 2.76 TeV…

核实验 · 物理学 2019-08-13 L. S. Barnby

Per-trigger yields of $\pi^0$-hadron correlations were measured in semicentral Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV in ALICE at the LHC. The reconstructed $\pi^0 \rightarrow \gamma \gamma$, with a transverse momentum of $11 <…

核实验 · 物理学 2026-02-27 ALICE Collaboration

Hadrons containing heavy-flavours, i.e. charm and beauty quarks, are unique probes of the properties of the hot and dense QCD medium produced in heavy-ion collisions. Due to their large masses, heavy quarks are produced at the initial stage…

高能物理 - 实验 · 物理学 2019-08-13 Alessandro Grelli

We present the system size and flavour dependence of the chemical freeze-out temperature ($T_\mathrm{ch}$) at vanishing baryo-chemical potential calculated via thermal fits to experimental yields for several multiplicity classes in pp, pPb…

核实验 · 物理学 2022-10-06 Fernando Antonio Flor , Gabrielle Olinger , René Bellwied

Ultrarelativistic heavy-ion collisions produce a state of hot and dense strongly interacting QCD matter called quark--gluon plasma (QGP). On an event-by-event basis, the volume of the QGP in ultracentral collisions is mostly constant, while…

核实验 · 物理学 2026-01-14 ALICE Collaboration

The study of identified particle production in proton-proton (pp) collisions as a function of center-of-mass energy ($\sqrt{s}$) and event charged-particle multiplicity is a key tool for understanding similarities and differences between…

高能物理 - 实验 · 物理学 2018-01-11 Gyula Bencedi

The production of heavy-flavour hadrons in high-energy hadronic collisions is a unique source of information on various aspects of quantum chromodynamics (QCD). Production of heavy-flavour hadrons in proton--proton collisions allows the…

高能物理 - 实验 · 物理学 2020-11-26 László Gyulai

The first results from heavy ion collisions at the Large Hadron Collider for charged particle spectra and elliptic flow are compared to an event-by-event hybrid approach with an ideal hydrodynamic expansion. This approach has been shown to…

核理论 · 物理学 2013-05-29 Hannah Petersen