Quark Number Susceptibilities & The Wroblewski Parameter

Details Quark Number Susceptibilities & The Wroblewski Parameter Quark Number Susceptibilities & The Wroblewski Parameter

Publishing date

2005-02-22

URL

arxiv.org/abs/hep-ph/0502198v2

Journals

Eur.Phys.J.C43:31-34,2005

Science

Physics

Field

High Energy Physics

SubField

High Energy Physics - Phenomenology

Additional info

5 pages, Plenary talk by R.V.G. at Hard Probes 2004, Ericeira, Portugal, Nov.4-10, 2004; Reference added

Type

Scientific paper

Digital Object Identifier

10.1140/epjc/s2005-02191-3

Abstract

The Wroblewski parameter is a convenient indicator of strangeness production and can be employed to monitor a signal of quark-gluon plasma production : enhancement of strangeness production. It has been shown to be about a factor two higher in heavy ion collisions than in hadronic collisions. Using a method proposed by us earlier, we obtained lattice QCD results for the Wroblewski parameter from our simulations of QCD with two light quarks both below and above the chiral transition. Our first principles based and parameter free result compare well with the A-A data from SPS and RHIC.

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