A study of the orientation and energy partition of three-jet events in hadronic Z0 decays
K. Abe, et al. (The SLD collaboration)
TL;DR
This paper analyzes three-jet events in hadronic Z0 decays, measuring jet energies and orientations, and compares results with QCD predictions and alternative gluon models to understand gluon properties.
Contribution
It provides detailed measurements of jet energy distributions and event plane orientations, testing perturbative QCD and exploring scalar and tensor gluon contributions.
Findings
Data agree with vector gluon predictions
Limits set on scalar and tensor gluon contributions
Supports perturbative QCD in three-jet event modeling
Abstract
We have measured the distributions of the jet energies in e+e- --> qq^bar g events, and of the three orientation angles of the event plane, using hadronic decays collected in the SLD experiment at SLAC. We find that the data are well described by perturbative QCD incorporating vector gluons. We have also compared our data with models of scalar and tensor gluon production, and discuss limits on the relative contributions of these particles to three-jet production in e+e- annihilation.
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