Jet acoplanarity as a quark-gluon-plasma probe

Abstract
We reinvestigate the probability distribution of jet acoplanarity as a tool to search for quark-gluon-plasma formation in nuclear collisions. We find serious hadronic background effects from the surrounding nuclear matter in nuclear collisions, which severely limit the usefulness of jet acoplanarity as a quark-gluon-plasma probe. Only if quark-gluon-plasma creation can be ascertained or excluded independently may a high jet acoplanarity provide qualitative additional information. DOI: http://dx.doi.org/10.1103/PhysRevD.41.306 © 1990 The American Physical Society