Three gluon jets as a test of QCD

K. Koller, T. F. Walsh

Research output: Contribution to journalArticlepeer-review

79 Scopus citations


As a test of quantum chromodynamics (QCD), we suggest looking for gluon jets in the decay of a heavy quark-antiquark bound state produced in e+e- annihilation, QQ → 3 gluons → 3 gluon jets. In particular, we point out that these events form a jet Dalitz plot, and we calculate the gluon or jet distributions (including the effect of polarized e+e- beams). This process affords a test of the gluon spin. It is the analogue of two-jet angular distributions in e+e-→ qq → 2 quark jets. We also estimate multiplicities and momentum distributions of hadrons in QQ → 3 gluons → hadrons, using the recently discovered Υ{hooked}(9.4) as an example.

Original languageEnglish (US)
Pages (from-to)227-230
Number of pages4
JournalPhysics Letters B
Issue number2
StatePublished - Dec 19 1977


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