Universal formula for baryon spectra in heavy-ion collisions and its implications

In an unconventional presentation of the data on the transverse momentum spectra of baryons produced in heavy-ion collisions, regularities are found that make possible the discovery of a universal formula valid for p,Λ,Ξ, and Ω. The formula describes the baryon distributions over wide ranges of pT(0.5≲pT≲5 GeV/c) for 0.06≲sNN≲3 TeV, except for very peripheral collisions. Some aspects of their empirical properties are derived in the recombination model, resulting in a revelation of some features of the light and strange quark distributions before hadronization. Interpretation of the inverse slopes of their exponential behavior leads to an implication that cannot accommodate the conventional description of fluid flow. This is mainly a study of phenomenology without detailed model input.

• Publication year

  2018

• Venue

  Physical Review C

• Publication date

  2018-03-21

• Fields of study

  Physics

• Identifiers
  DOI 10.1103/PhysRevC.97.054908arXiv 1803.08065
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

• Hydrodynamic modeling of heavy-ion collisions

  2017cited by this paper
• Collective flow and hydrodynamics in large and small systems at the LHC

  2017cited by this paper
• Centrality dependence of the nuclear modification factor of charged pions, kaons, and protons in Pb-Pb collisions at √sNN=2.76 TeV

  2016cited by this paper
• Phenomenological Implications of the pT Spectra of ϕ and Ω produced at LHC and RHIC

  2016cited by this paper
• K*(892)(0) and phi(1020) production in Pb-Pb collisions at root s(NN)=2.76 TeV

  2015cited by this paper
• K-S(0) and Lambda Production in Pb-Pb Collisions at root s(NN)=2: 76 TeV

  2013cited by this paper
• Jet physics in heavy-ion collisions

  2013cited by this paper
• Centrality determination of Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV with ALICE

  2013cited by this paper
• Spectra and ratios of identified particles in Au+Au and d+Au collisions at √sNN=200 GeV

  2013cited by this paper
• Multi-strange baryon production at mid-rapidity in Pb-Pb collisions at √sNN=2.76 TeV

  2013cited by this paper
• Extracting the jet transport coefficient from jet quenching in high-energy heavy-ion collisions

  2013cited by this paper
• Baryon Anomaly in Heavy-Ion Collisions and Colour Correlations in QGP

  2013cited by this paper
• Centrality and Transverse Momentum Dependencies of Minijets and Hadrons in Au-Au Collisions

  2013cited by this paper
• Spectra of identified hadrons in Pb-Pb collisions at 2.76 TeV at the CERN Large Hadron Collider

  2011cited by this paper
• Quark-Gluon Plasma 4

  2010cited by this paper
• Is there still any Tc mystery in lattice QCD? Results with physical masses in the continuum limit III

  2010cited by this paper
• Measurements of $\phi$ meson production in relativistic heavy-ion collisions at RHIC

  2008cited by this paper
• Et al

  2008cited by this paper
• Relating meson and baryon fragmentation functions by shower-parton recombination

  2006cited by this paper
• Quark-Gluon Plasma 3

  2004cited by this paper
• The ALICE Collaboration

  2004cited by this paper
• Identified charged particle spectra and yields in Au + Au collisions at √sNN = 200 GeV

  2004cited by this paper
• Recombination of shower partons at high p T in heavy-ion collisions

  2004cited by this paper
• Hydrodynamic description of ultrarelativistic heavy ion collisions

  2003cited by this paper
• Hadron production in heavy ion collisions: Fragmentation and recombination from a dense parton phase

  2003cited by this paper
• Hadronization in heavy-ion collisions: recombination and fragmentation of partons.

  2003cited by this paper
• Parton coalescence and the antiproton/pion anomaly at RHIC.

  2003cited by this paper
• Partonic coalescence in relativistic heavy ion collisions

  2003cited by this paper
• Inclusive distributions for hadronic collisions in the Valon recombination model

  2002cited by this paper
• Parton distributions in the valon model

  2002cited by this paper
• for the STAR collaboration

  2002cited by this paper
• Multiple parton scattering in nuclei: parton energy loss

  2001cited by this paper
• Multiple scattering, parton energy loss, and modified fragmentation functions in deeply inelastic eA scattering

  2000cited by this paper
• Thermal phenomenology of hadrons from 200A GeV S+S collisions.

  1993cited by this paper
• Evidence for valence-quark clusters in nucleon structure functions

  1980cited by this paper
• Clustering and Hadronization of Quarks: A Treatment of the Low p(t) Problem

  1980cited by this paper
• Quark-antiquark Recombination in the Fragmentation Region

  1977cited by this paper

• The Novel Scaling of Tsallis Parameters from the Transverse Momentum Spectra of Charged Particles in Heavy-Ion Collisions

  2022cites this paper
• Highlights from the STAR experiment

  2018cites this paper
• A unified study of the production of all identified hadrons over wide ranges of transverse momenta at LHC

  2014cites this paper