Wounded Quarks and Multiplicity at Relativistic Ion Colliders

Abstract

In this paper, we propose a parameterization which is based on a phenomenological model involving the wounded quarks interactions for explaining the average charged particle multiplicity $<n_{ch}>$, the central pseudo-rapidity density $<(dn/d\eta {)}_{\eta =0}>$ and complete rapidity dependence of $dn/d\eta$ in relativistic heavy-ion collider experiments. The model also interrelates nucleus-nucleus (A-A) collisions with p-A and p-p interactions. Our parameterization rests on simple assumptions regarding mean number of participating quarks and their average number of collisions. The results for $<n_{ch}>$ and their variations with the mass number of colliding nuclei, center-of-mass energy ($\sqrt{s_{NN}}$) and collision centrality are well supported by the available experimental data. Finally we give the predictions from our model for A-A collisions at the Large Hadron Collider (LHC) and Compressed Baryonic Matter (CBM) experiments. Our results indicate the existence of a possible universal production mechanism for p-p, p-A and A-A collisions.

10 pages, 10 figures, 5 tables. arXiv admin note: text overlap with arXiv:1202.4838

References in corpus (26)

• PYTHIA 6.4 Physics and Manual
• Glauber Modeling in High Energy Nuclear Collisions
• Systematic Measurements of Identified Particle Spectra in pp, d+Au and Au+Au Collisions from STAR
• Heavy-Quark Kinetics in the QGP at LHC
• Thermal Dileptons at LHC
• Phobos results on charged particle multiplicity and pseudorapidity distributions in Au+Au, Cu+Cu, d+Au, and p+p collisions at ultra-relativistic energies
• Hadron production in p+p, p+Pb, and Pb+Pb collisions with the HIJING 2.0 model at energies available at the CERN Large Hadron Collider
• Particle multiplicities in Lead-Lead collisions at the LHC from non-linear evolution with running coupling
• Landau Hydrodynamics Reexamined
• Relating multihadron production in hadronic and nuclear collisions
• Hadron multiplicity in pp and AA collisions at LHC from the Color Glass Condensate
• Evolution of minimum-bias parton fragmentation in nuclear collisions
• Thermalization of a color glass condensate and review of the "Bottom-Up" scenario
• Charged particle (pseudo-)rapidity distributions in proton+anti-proton/proton+proton and Pb+Pb/Au+Au collisions from SPS to LHC energies from UrQMD
• Particle production sources at LHC energies
• Parton fragment yields derived from minimum-bias jet angular correlations
• Centrality dependence of charged-hadron pseudorapidity distributions in PbPb collisions at LHC energies in the RDM
• A simple evolution equation for rapidity distributions in nucleus-nucleus collisions
• Transient field fluctuations effects in d+Au and Au+Au collisions at \sqrt{s_nn} = 200 GeV
• Multiplicity, mean $p_T$, $p_T$-spectra and elliptic flow of identified particles in Pb+Pb collisions at LHC
• From RHIC to LHC: A relativistic diffusion approach
• Produced charged hadrons in central Pb + Pb collisions at LHC energies in the RDM
• Inclusive distributions at the LHC as predicted from the DPMJET-III model with chain fusion
• PACIAE Model Predictions for Pb+Pb Collisions at LHC Compared to the Au+Au Collisions at RHIC
• CGC and initial state effects in Heavy Ion Collisions
• Modeling the jet quenching in hot and dense QCD matter