Probing the quark-gluon plasma with a new Fermionic correlator

Abstract

We present the first measurement of a new correlation function of Fermion bilinears in finite temperature QCD with and without dynamical quarks in a quantum number channel in which non-trivial correlations are known to be present for purely gluonic operators. We find that the Fermion correlator vanishes for $T\ge 3T_c/2$, in agreement with the expectation for weakly interacting quarks in a quark-gluon plasma.

LaTeX, 4 Pages including 2 Postscript Figures, Final version to appear in Phys. Rev. Lett

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