Propagation of heavy baryons in heavy-ion collisions

Abstract

The drag and diffusion coefficients of heavy baryons (${\Lambda }_c$ and ${\Lambda }_b$) in the hadronic phase created in the latter stage of the heavy-ion collisions at RHIC and LHC energies have been evaluated recently. In this work we compute some experimental observables, such as the nuclear suppression factor $R_{AA}$ and the elliptic flow $v_2$ of heavy baryons at RHIC and LHC energies, highlighting the role of the hadronic phase contribution to these observables, which are going to be measured at Run 3 of LHC. For the time evolution of the heavy quarks in the QGP and heavy baryons in the hadronic phase we use the Langevin dynamics. For the hadronization of the heavy quarks to heavy baryons we employ Peterson fragmentation functions. We observe a strong suppression of both the ${\Lambda }_c$ and ${\Lambda }_b$. We find that the hadronic medium has a sizable impact on the heavy-baryon elliptic flow whereas the impact of hadronic medium rescattering is almost unnoticeable on the nuclear suppression factor. We evaluate the ${\Lambda }_c/D$ ratio at RHIC and LHC. We find that ${\Lambda }_c/D$ ratio remain unaffected due to the hadronic phase rescattering which enable it as a nobel probe of QGP phase dynamics along with its hadronization.

22 pages, 15 figures

References in corpus (21)

• Nonperturbative Heavy-Quark Diffusion in the Quark-Gluon Plasma
• Towards an understanding of the RHIC single electron data
• Coalescence Models For Hadron Formation From Quark Gluon Plasma
• Observation of $D^0$ meson nuclear modifications in Au+Au collisions at $\sqrt{s_{{}_{\mathrm{NN}}}}$ = 200 GeV
• ${\mathbf{D}}_{\mathbf{s}}$-Meson as Quantitative Probe of Diffusion and Hadronization in Nuclear Collisions
• Toward a solution to the $R_{AA}$ and $v_2$ puzzle for heavy quarks
• Heavy-flavour spectra in high energy nucleus-nucleus collisions
• Open heavy flavor in Pb+Pb collisions at sqrt(s)=2.76 TeV within a transport model
• Open Heavy Flavor in QCD Matter and in Nuclear Collisions
• Azimuthal anisotropy of D meson production in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV
• The s-wave charmed baryon resonances from a coupled-channel approach with heavy quark symmetry
• Scalings of Elliptic Flow for a Fluid at Finite Shear Viscosity
• Elliptic and triangular flow of heavy flavor in heavy-ion collisions
• Hidden charm N and Delta resonances with heavy-quark symmetry
• Odd parity bottom-flavored baryon resonances
• Open and hidden charm in proton-nucleus and heavy-ion collisions
• Exotic dynamically generated baryons with negative charm quantum number
• Λ_{c} enhancement from strongly coupled quark-gluon plasma
• Dynamical collisional energy loss and transport properties of on- and off-shell heavy quarks in vacuum and in the Quark Gluon Plasma
• Diffusion of ${\Lambda }_c$ in hot hadronic medium and its impact on ${\Lambda }_c/D$ ratio
• Transport coefficients of heavy quarks around $T_c$ at finite quark chemical potential

Cited by in corpus (25)

• Charmed Hadrons from Coalescence plus Fragmentation in relativistic nucleus-nucleus collisions at RHIC and LHC
• Heavy-Quark Diffusion in the Quark-Gluon Plasma
• ${\Lambda }_{\mathrm{c}}^{+}$ production in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
• Impact of Glasma on heavy quark observables in nucleus-nucleus collisions at LHC
• Effect of pre-equilibrium phase on $R_{AA}$ and $v_2$ of heavy quarks in heavy ion collisions
• Data-driven extraction of heavy quark diffusion in quark-gluon plasma
• Diffusion of charm quarks in jets in high-energy heavy-ion collisions
• Impact of a thermal medium on $D$ mesons and their chiral partners
• Properties of the QCD Matter: A Review of Selected Results from the ALICE Experiment
• Dynamics of Hot QCD Matter -- Current Status and Developments
• Production of single-charm hadrons by quark combination mechanism in $p$-Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV
• Relativistic Langevin dynamics: charm versus beauty
• Heavy quark radiation in an anisotropic hot QCD medium
• Pseudoscalar and vector open-charm mesons at finite temperature
• Exploring the effects of electromagnetic fields and tilted bulk distribution on directed flow of D mesons in small systems
• Charm and Bottom Hadrons in Hot Hadronic Matter
• Radial profile of bottom quarks in jets in high-energy nuclear collisions
• In-medium kinetic theory of $D$ mesons and heavy-flavor transport coefficients
• Multiplicity dependence of the freezeout parameters in high energy hadron-hadron collisions
• B-mesons as essential probes of hot QCD matter
• Formation, dissociation and regeneration of charmonia within microscopic Langevin simulations
• Effect of magnetic screening mass on the diffusion of heavy quarks
• Reexamining charm versus bottom quark energy loss inside a color-deconfined medium
• Non-strange and strange D-meson and charm-baryon production in heavy-ion collisions measured with ALICE at the LHC
• D-meson production via sequential hadronization in high-energy nuclear collisions