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We study the charmed meson and baryon production and elliptic flow in ultra-relativistic nucleus-nucleus collisions at the LHC energies. The space-time evolution of quark-gluon plasma (QGP) produced in these energetic collisions is obtained…

High Energy Physics - Phenomenology · Physics 2024-02-07 Yu-Fei Liu , Wen-Jing Xing , Xiang-Yu Wu , Shanshan Cao , Guang-You Qin , Shu-Qing Li

We investigate the heavy flavor dynamics in the quark-gluon plasma (QGP) medium created in p-Pb collisions at the CERN Large Hadron Collider (LHC). In the (3+1)-dimensional viscous hydrodynamics model describing QGP medium, the dynamics of…

The main goal of the experimental programs on ultra-relativistic heavy ion collisions at the LHC is the production and characterization of the Quark Gluon Plasma (QGP), a phase of nuclear matter in which strongly interacting constituents…

Nuclear Experiment · Physics 2016-08-08 Riccardo Russo

The production of prompt $\Lambda^+_\mathrm{c}$ baryons is measured via the exclusive decay channel $\Lambda^+_\mathrm{c}$ $\to$ pK$^-\pi^+$ at a center-of-mass energy per nucleon pair of 5.02 TeV, using proton-proton (pp) and lead-lead…

Nuclear Experiment · Physics 2024-01-31 CMS Collaboration

Recent measurements of prompt charm-baryon production at midrapidity in pp and p--Pb collisions show baryon-to-meson yield ratios significantly higher than those in $\rm e^+e^-$ collisions, suggesting that the charm fragmentation is not…

Nuclear Experiment · Physics 2022-11-22 Jianhui Zhu

The study of heavy-flavour mesons and baryons in hadronic collisions provides unique access to the properties of heavy-quark hadronisation in the presence of large partonic densities, where new mechanisms of hadron formation beyond…

High Energy Physics - Experiment · Physics 2023-12-18 Jianhui Zhu

We describe the propagation of charm quarks in the quark-gluon plasma (QGP) by means of an event-by-event transport approach. In our calculations the non-perturbative interaction between heavy quarks and light quarks has been taken into…

High Energy Physics - Phenomenology · Physics 2022-10-19 Maria Lucia Sambataro , Yifeng Sun , Vincenzo Minissale , Salvatore Plumari , Vincenzo Greco

The large values and the constituent-quark-number (NCQ) scaling of the elliptic flow of low-$p_T$ $D$ mesons imply that charm quarks, initially produced through hard processes, might be partially thermalized through the strong interactions…

Nuclear Theory · Physics 2021-09-01 Chi Ding , Wei-Yao Ke , Long-Gang Pang , Xin-Nian Wang

Charm-hadrons possess versatile hadro-chemistry as characterized by various transverse-momentum-dependent ratios between their different species. In particular, the charm hadro-chemistry may be modified in relativistic heavy-ion collisions…

Nuclear Theory · Physics 2022-08-23 Kai Lu , Min He

Recent measurements of charm-baryon production at midrapidity by the ALICE collaboration show baryon-to-meson yield ratios significantly higher than those measured in $\rm e^+e^-$ collisions, suggesting that the charm fragmentations are not…

Nuclear Experiment · Physics 2022-02-16 Jianhui Zhu

Recently the ALICE Collaboration has published a few data of charm hadrons in Pb + Pb collisions at the CERN Large Hadron Collider (LHC). We extend the quark combination to the charm sector and point out that the measurement of charm hadron…

High Energy Physics - Phenomenology · Physics 2015-03-05 Rui-qin Wang , Jun Song , Feng-lan Shao

A wealth of data on charmonium production in Pb-Pb collisions from the LHC experiments has provided strong evidence for (re-)generation as a dominant production mechanism at low transverse momentum. We present an important extension of the…

Nuclear Theory · Physics 2019-01-30 A. Andronic , P. Braun-Munzinger , M. K. Koehler , J. Stachel

We study charm production in ultra-relativistic heavy-ion collisions by using the Parton-Hadron-String Dynamics (PHSD) transport approach. The initial charm quarks are produced by the PYTHIA event generator tuned to fit the transverse…

Nuclear Theory · Physics 2016-02-17 E. L. Bratkovskaya , T. Song , H. Berrehrah , D. Cabrera , J. M. Torres-Rincon , L. Tolos , W. Cassing

Heavy flavor particles provide important probes of the microscopic structure and thermodynamic properties of the quark-gluon plasma (QGP) produced in high-energy nucleus-nucleus collisions. We study the energy loss and flow of charm and…

High Energy Physics - Phenomenology · Physics 2024-03-13 Shu-Qing Li , Wen-Jing Xing , Shanshan Cao , Guang-You Qin

The recent experimental measurements on $pp$ collisions at $\sqrt{s}=5.02 \,\rm TeV$ have shown a very large abundance of heavy baryon production corresponding to a ratio of $\Lambda_c/D^0 \sim 0.6$, about one order of magnitude larger than…

High Energy Physics - Phenomenology · Physics 2021-09-08 Vincenzo Minissale , Salvatore Plumari , Vincenzo Greco

Open charm production in proton-proton collisions represents an important tool to investigate some of the most fundamental aspects of Quantum Chromodynamics, from the partonic mechanisms of heavy-quark production to the process of…

High Energy Physics - Phenomenology · Physics 2024-04-08 Christian Bierlich , Jeremy Wilkinson , Jiayin Sun , Giulia Manca , Raphael Granier de Cassagnac , Jacek Otwinowski

Charm and beauty are heavy quarks with observed masses of 1.28 GeV/$\textit{c}^2$ and 4.18 GeV/$\textit{c}^2$ respectively. They are produced in initial hard scattering processes. Due to their small formation time ($\Delta t \sim0.1…

High Energy Physics - Experiment · Physics 2022-08-24 Randhir Singh , Binti Sharma , Renu Bala , Sanjeev Singh Sambyal

Heavy-flavour hadrons, i. e. hadrons carrying charm or beauty quarks, are a well-suited probe to study the Quark-Gluon Plasma (QGP) in relativistic heavy-ion collisions. For this reason, measurements of electrons from heavy-flavour hadron…

High Energy Physics - Experiment · Physics 2015-10-28 E. Pereira de Oliveira Filho

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…

High Energy Physics - Experiment · Physics 2019-08-13 Alessandro Grelli

Heavy-flavour hadron production provides information about the transport properties and microscopic structure of the quark-gluon plasma created in ultra-relativistic heavy-ion collisions. A measurement of the muons from semileptonic decays…

Nuclear Experiment · Physics 2022-04-21 ATLAS Collaboration