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Decoding the phase structure of QCD via particle production at high energy
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Recent studies based on non-perturbative lattice Monte-Carlo solutions of Quantum Chromodynamics, the theory of strong interactions, demonstrated that at high temperature there is a phase change from confined hadronic matter to a deconfined quark-gluon plasma where quarks and gluons can travel distances largely exceeding the size of hadrons. The phase structure of such strongly interacting matter can be decoded via analysis of particle abundances in high energy nuclear collisions within the framework of the statistical hadronization approach. The results imply quark-hadron duality at and experimental delineation of the location of the phase boundary of strongly interacting matter.
Forward citations
Cited by 26 Pith papers
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QCD critical surface from constant entropy contours
First mapping of the QCD critical surface in full (T, μ_B, μ_Q, μ_S) space via constant-entropy expansion gives a critical point at (114, 602) MeV in the pure baryon direction, with μ_B,c shifting 40-100 MeV in strang...
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Hyper-Nuclei $^4_{\Lambda}\hbox{He}$ Production in $\sqrt{s_{\rm{NN}}}$ = 3 GeV Au+Au collisions at RHIC
First measurement of ^4_ΛHe yields in 3 GeV Au+Au collisions shows consistency with ^4_ΛH yields and JAM coalescence model while thermal model overpredicts absolute yields.
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$\Lambda$(1520) as a probe of resonance-driven deuteron formation at the LHC
Simulations show a peak in the proxy mass M_(d/2)K only when deuterons form by coalescence of protons from Λ(1520) decays, not in thermal models.
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Fierz-complete four-quark interactions and the QCD phase diagram
Including Fierz-complete four-quark interactions in fRG-QCD shifts the predicted critical endpoint to (T, μ_B) = (102, 647) MeV and slightly increases the phase boundary curvature to κ₂ = 0.0151, while confirming σ an...
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Isospin-Driven Splitting of Chemical Potentials in Isobar Collisions from Lattice QCD
Lattice QCD yields first-principles splitting ratios for chemical potentials in Ru+Ru vs Zr+Zr collisions that are comparable in size to Bayesian STAR extractions, with Δμ_Q negative, Δμ_S positive, and only moderate ...
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Canonical statistical hadronization with local baryon conservation for higher-order cumulants
Local baryon conservation in a canonical ensemble drives net-proton κ6/κ2 to small or negative values in restricted acceptance, establishing a baseline that must be subtracted before interpreting signals of chiral cri...
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Equation of State at High Baryon Densities from a Thermodynamically Informed Neural Network
A thermodynamically consistent neural-network equation of state for QCD matter at finite temperature and conserved charges that matches known low-density results and extrapolates to high baryon densities for use in re...
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Freeze-out model of light nuclei formation in heavy-ion collision transport
A hybrid freeze-out model combining transport dynamics and thermal cluster production is proposed for light nuclei in intermediate-energy heavy-ion collisions.
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Collision Energy Dependence of Hypertriton Production in Au+Au Collisions at RHIC
Hypertriton yields and Lambda ratios increase at lower collision energies but remain a factor of two below thermal models, while the double ratio to triton production stays constant at 0.4, pointing to intrinsically l...
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The Maximal Entanglement Limit in Statistical and High Energy Physics
Quantum systems reach a Maximal Entanglement Limit where entanglement geometry produces thermal reduced density matrices and probabilistic behavior in statistical and high-energy physics.
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Unified Functional-Holographic Theory of the QCD Critical End Point
A coupled DSE-FRG-holographic model predicts the QCD critical end point at T_CEP approximately 130-135 MeV and mu_B,CEP approximately 600 MeV, with sensitivity to regulator and normalization choices.
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Renormalization-Group Invariant Parity-Doublet Model for Nuclear and Neutron-Star Matter
A renormalization-group invariant mean-field treatment of the Parity-Doublet Model is developed that consistently includes baryonic vacuum fluctuations and is used to study chiral symmetry restoration in two-flavor nu...
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Wave-Function Femtometry: Hypertriton - The Ultimate Halo Nucleus
Hypertriton production yield in LHC pp collisions, described by nuclear coalescence, confirms its halo structure with a Lambda separation of 9.54 fm from the deuteron core.
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Excitation function for global \Lambda polarization in relativistic heavy ion collisions with the Core Corona model
A Core-Corona model with field-theoretic vortical polarization computes the excitation function of global Lambda polarization in heavy-ion collisions and predicts a robust maximum near 3 GeV.
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Disentangling baryon stopping and neutron skin effects in heavy-ion collisions
Statistical model analysis of isobar collisions extracts a baryon-stopping parameter and introduces an r^OX observable whose central-to-peripheral ratio probes neutron-skin thickness.
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Magnetic susceptibility of a hot hadronic medium and quark degrees of freedom near the QCD cross-over point
A quark-meson model with lattice-fitted temperature-dependent quark masses and anomalous magnetic moments reproduces the magnetic susceptibility of hot hadronic matter up to the QCD crossover, showing quarks are activ...
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The role of the local conservation laws in fluctuations of conserved charges
Local baryon number conservation induces small baryon-anti-baryon correlations at the second cumulant level, as quantified for the first time and compared to ALICE net-proton fluctuation data.
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Hadronic and partonic composition of QCD matter across the crossover
A three-parameter hadron–quark crossover equation of state fitted to lattice QCD data yields a switching temperature T₀ ≃ 216 MeV, implying hadronic degrees of freedom persist well above the chiral pseudocritical temperature.
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Constraining the Low-$p_T$ $\eta/\pi^0$ Ratio for Direct-Photon Analyses with Blast-Wave Fits to $\pi$, $K$, and $p$ Spectra
Uses blast-wave fits to pi, K, and p spectra plus measured K/pi to predict low-pT eta/pi0 ratio, finding eta-decay photon uncertainty of order 10% of direct-photon signal at pT~1 GeV/c in central Pb-Pb at 2.76 TeV.
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Equation of State at High Baryon Densities from a Thermodynamically Informed Neural Network
A physics-informed neural network produces a thermodynamically consistent 4D equation of state for QCD matter that reproduces lattice QCD and hadron resonance gas results while extrapolating to high baryon density for...
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Hypertriton Production in Au+Au Collisions from STAR BES-II
New measurements of 3_ΛH pT, y, and centrality dependence in Au+Au collisions at √sNN = 3-7.7 GeV from STAR BES-II, compared to phenomenological models.
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Testing production scenarios for (anti-)(hyper-)nuclei with multiplicity-dependent measurements at the LHC
Multiplicity-dependent measurements of B_A for hyper-nuclei with extended wave functions like the hyper-triton in pp, pA, and AA collisions are predicted to show large differences between coalescence and thermal models.
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Studying the QCD Matter produced in Heavy-Ion Collisions using the MUSES Calculation Engine
The MUSES Calliope engine computes multi-dimensional QCD equations of state, merges them consistently, and feeds them into viscous hydrodynamic simulations of heavy-ion collisions with movable critical points and crit...
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Light and Strange Baryons in Medium
Parametric study of medium-induced shifts in the GBE quark model for baryon masses and their qualitative effect on ideal-gas yields.
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Spectra and elliptic flow of light hadrons in an expanding fire-cylinder model for the RHIC Beam Energy Scan
An expanding fire-cylinder model fitted to pion pT spectra describes spectra of other light hadrons and qualitatively matches their elliptic flow in peripheral Au+Au collisions at BES energies.
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Statistical hadronization: successes and some open issues
The statistical hadronization model successfully describes hadron production in nuclear collisions over broad energies, with implications for QCD phase structure.
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