Measurements of heavy baryon production in $pp$, $pA$ and $AA$ collisions from RHIC to top LHC energies have recently attracted more and more attention, currently representing a challenge for the heavy-quark hadronization theoretical understanding.
The $\Lambda_c/D^0$ ratio observed in $AA$ collision at RHIC and LHC energies has a value of the order of the unity.
Recent experimental...
We have explored [1] the heavy quark transport coefficients in a quark- gluon plasma under the presence of a strong external magnetic field, within the Lowest Landau Level (LLL) approximation. In particular, we apply the Hard Thermal Loop (HTL) technique for the resummed effective gluon propagator, generalized for a hot and magnetized medium. Using the effective HTL gluon propagator and the...
Heavy quarks, charm and beauty, form well before light quarks in high energy nuclear collisions. Therefore, they can probe the early, gluon rich and out-of-equilibrium stage, namely the evolving Glasma. The diffusion of heavy quarks in this system can be analyzed by coupling the Classical Yang-Mills equations for the Glasma to the relativistic kinetic equations (Wong equations) for the heavy...
The production mechanism of quarkonia is an important topic to investigate since it involves both perturbative and non-perturbative processes. Quarkonium production from Color Singlet Model and Color Octet Mechanism should result in different jet activities (the number of jets per event) due to different number of emitted hard partons. Therefore, studies associated with jets can further help...
Recent experimental measurements display an enhanced production of charmed baryons in high-energy nucleus-nucleus collisions. Quite surprisingly the same is found in proton-proton collisions, in which the relative yields of charmed baryons do not agree with the expectations based on e+e- collisions and with the predictions of those QCD event generators in which the hadronization stage is tuned...
Directed and elliptic flow, $v_1$ and $v_2$, are sensitive to dynamics of heavy-ion collisions at the early stage of the system evolution and equation of state of the medium. The hadronic interaction cross sections of multi-strange hadrons and $\phi$ mesons are expected to be small and their freeze-out temperatures are close to the quark-hadron transition temperature. Hence, these hadrons may...
Azimuthal anisotropies are sensitive observables to the initial stage of heavy-ion collisions. Strange and multi-strange hadrons are suitable candidates to measure these flow coefficients due to their small hadronic interaction cross section and early freezeout from the medium. Earlier in beam energy scan phase-I (BES-I), STAR collaboration measured the rapidity-odd directed flow for...
Heavy quarks, namely charm and bottom quarks, serve as efficient probes to characterize the properties of the quark-gluon plasma (QGP) created in the relativistic heavy-ion collisions. The QGP evolution is modeled using relativistic viscous 3+1 D hydrodynamics approach MUSIC, initialized with a central Pb-Pb collision event using IP-GLASMA. Measured observables associated with charm quark are...
We investigate the time evolution of strange and charm quark number densities utilizing the rate equations in the quasiparticle approach. The deconfined matter then consists of the dynamical quarks and gluons dressed by the effective temperature-dependent masses. The temperature dependence is specified by a running coupling deduced from lattice QCD thermodynamics. For the evolution of the QGP...
Recent results of charmed baryon production in pp collisions showed significant enhancement of baryon-to-meson ratio compared with the predictions from $e^{+}e^{-}$ collisions due to the modification of the charm fragmentation fractions and possible coalescence mechanism at play. Therefore, the measurements of charmed baryon production are crucial to investigate the hadronisation mechanism of...
Stochastic processes with memory are characterized by noises that possess correlations at different times;
namely, the stochastic terms in the differential equations at a time t have memory of the noise at previous times.
Heavy ion collisions are an interesting framework in which processes with memory take place,
in particular when one considers the very early, out-of-equilibrium stage...
The PHENIX experiment at RHIC has a special ability to detect muons at the region $1.2<|y|<2.2$ from heavy quarks which are studied extensively to understand their production and modification in high energy hadron-hadron collisions. Quarkonia states like $J/\psi$ and $\psi(2S)$ of different binding energies are expected to have their yields modified differently by the medium or comoving...
A novel hybrid approach coupling the hadronic transport approach SMASH to the 3+1D viscous hydrodynamics code vHLLE is introduced. The SMASH-vHLLE-hybrid is suitable to describe heavy-ion collisions ranging from $\sqrt{s}_\mathrm{NN}$ = 4.3 GeV - 5.02 TeV and is publicly available on Github. This talk focuses on collisions towards the high baryon-density regime of the QCD phase diagram, where...
The upcoming high-luminosity measurements at RHIC and LHC will generate heavy flavor data with unprecedented precision. How to utilize the high-$p_\perp$ heavy flavor data to analyze the interaction mechanisms in the quark-gluon plasma? For this, we employ our recently developed DREENA framework based on our dynamical energy loss formalism. We will propose: i) How to disentangle the relevance...
