Three-pion interferometry results from central Pb+Pb collisions at 158A GeV/c

Phys Rev Lett. 2000 Oct 2;85(14):2895-9. doi: 10.1103/PhysRevLett.85.2895.

Abstract

Three-particle correlations have been measured for identified pi(-) from central 158A GeV Pb+Pb collisions by the WA98 experiment at CERN. A substantial contribution of the genuine three-body correlation has been found as expected for a mainly chaotic and symmetric source.