Multiplicity fluctuation and correlation of mesons and baryons in ultra-relativistic heavy-ion collisions at LHC

Abstract

We study the multiplicity fluctuation and correlation of identified mesons and baryons formed at the hadronization by the quark combination mechanism in the context of ultra-relativistic heavy-ion collisions. Based on the statistical method of free quark combination, we derive the two-hadron multiplicity correlations such as meson-meson and meson-baryon correlations, and take the effects of quark number fluctuation at hadronization into account by a Taylor expansion method. After including the decay contributions, we calculate the dynamical fluctuation observable ${\nu }_{dyn}$ for $\text{K}\pi$, $p\pi$ and $\text{K}p$ pairs and discuss what underlying physics can be obtained by comparing with the data in Pb-Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV and the simulations from HIJING and AMPT event generators.

arXiv comment8 pages, 3 figures

References in corpus (46)

• Event-by-Event Fluctuations in Heavy Ion Collisions and the QCD Critical Point
• Hadronization in heavy ion collisions: Recombination and fragmentation of partons
• Non-Gaussian fluctuations near the QCD critical point
• Parton coalescence at RHIC
• Energy Dependence of Moments of Net-proton Multiplicity Distributions at RHIC
• Thermal hadron production in relativistic nuclear collisions: the hadron mass spectrum, the horn, and the QCD phase transition
• Fluctuation Probes of Quark Deconfinement
• Higher Moments of Net-proton Multiplicity Distributions at RHIC
• Probing freeze-out conditions in heavy ion collisions with moments of charge fluctuations
• Baryon-strangeness correlations: a diagnostic of strongly interacting matter
• Third moments of conserved charges as probes of QCD phase structure
• Coalescence Models For Hadron Formation From Quark Gluon Plasma
• Methods for the Study of Particle Production Fluctuations
• Recombination of Shower Partons at High $p_T$ in Heavy-Ion Collisions
• Baryon number conservation and the cumulants of the net proton distribution
• Particle Production in Heavy Ion Collisions
• Statistical hadronisation model and transverse momentum spectra of hadrons in high energy collisions
• Diagonal and off-diagonal quark number susceptibilities at high temperatures
• $\varphi$ and $\Omega$ production in relativistic heavy ion collisions in a dynamical quark coalescence model
• Event-by-event fluctuations of the kaon to pion ratio in central Pb+Pb collisions at 158 GeV per Nucleon
• Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from $\sqrt{s_{{}_{NN}}}=$~6.3 to 17.3 GeV
• Quark liberation and coalescence at CERN SPS
• Charge correlations using the balance function in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV
• K/pi Fluctuations at Relativistic Energies
• Hadronization with a confining equation of state
• Antiproton-to-Proton Ratios for ALICE Heavy-Ion Collisions
• Production rates for hadrons, pentaquarks ${\Theta }^{+}$ and ${\Theta }^{\ast ++}$, and di-baryon $(\Omega \Omega {)}_{0^{+}}$ in relativistic heavy ion collisions by a quark combination model
• Hadron production by quark combination in central Pb+Pb collisions at $\sqrt{s_{NN}}=17.3$ GeV
• Fluctuations of the $K/\pi$ Ratio in Nucleus-Nucleus Collisions: Statistical and Transport Models
• Phase Space and Dynamical Fluctuations of Kaon--to--Pion Ratios
• On the energy dependence of $K/\pi$ fluctuations in relativistic heavy ion collisions
• Hadron Yield Correlation in Combination Models in High Energy AA Collisions
• Energy dependence of kaon-to-proton ratio fluctuations in central Pb+Pb collisions from $\sqrt{s_{NN}}$ = 6.3 to 17.3 GeV
• Baryon-antibaryon production asymmetry in relativistic heavy ion collisions
• Yield ratios of identified hadrons in p+p, p+Pb, Pb+Pb collisions at the Large Hadron Collider
• A statistical model analysis of $K/\pi$ fluctuations in heavy ion collisions
• Yield correlations and $p_T$ dependence of charm hadrons in Pb + Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV
• Event-by-Event Identified Particle Ratio Fluctuations in Pb-Pb Collisions with ALICE using the Identity Method
• Quark Number Susceptibilities & The Wroblewski Parameter
• On number-ratio fluctuations in high-energy particle-production
• System size dependence of particle-ratio fluctuations in Pb+Pb collisions at 158$A$ GeV
• Particle Number Fluctuations and Correlations in Nucleus-Nucleus Collisions
• Robustness of baryon-strangeness correlation and related ratios of susceptibilities
• Quark charge balance function and hadronization effects in relativistic heavy ion collisions
• $K/\pi$, $K/p$ and $p/\pi$ Ratio Fluctuations within the HSD Transport Approach
• Multiplicity fluctuation and correlation of identified baryons in quark combination model

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