Topology of three-jet events inp¯pcollisions ats=1.8TeV

Citations Over TimeTop 10% of 1992 papers

Abstract

The production and event topology of three-jet events produced in $p\overline{p}$ collisions at $\sqrt{s}=1.8$ TeV have been studied with the Collider Detector at Fermilab at the Tevatron Collider. The distributions of the three-jet angular variables (${\ensuremath{\psi}}^{*}$ and $cos{\ensuremath{\theta}}^{*}$) and of the variables describing the energy sharing between jets (${x}_{3}$ and ${x}_{4}$) are found to agree well with tree-level QCD calculations. These distributions are predicted to have different shapes for different initial-state subprocesses (quark-antiquark, quark-gluon, and gluon-gluon). The data are consistent with the small expected contribution from quark-antiquark initial states, in agreement with theoretical expectations.

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