Review of QCD results from LEP

Howard A. Stone

doi:10.1016/0920-5632(95)00069-L

Review of QCD results from LEP

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Abstract

All four experiments at LEP have used their data to test the predictions of QCD. The strong coupling constant α_s has been measured to higher than O(α_s²) in the perturbation expansion. The value of α_s has been shown to be flavor independent. The QCD color factors have been measured and found to be consistent with SU(3) as the underlying symmetry of the strong interaction. The existence of the triple gluon vertex has been demonstrated and the spin of the gluon definitively determined. In the realm of soft, non-perturbative QCD, the string effect and other inter-jet phenomena have been investigated. Intra-jet effects have also been examined.

Original language	English (US)
Pages (from-to)	184-197
Number of pages	14
Journal	Nuclear Physics B (Proceedings Supplements)
Volume	39
Issue number	2-3
DOIs	https://doi.org/10.1016/0920-5632(95)00069-L
State	Published - Mar 1995

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics

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AB - All four experiments at LEP have used their data to test the predictions of QCD. The strong coupling constant αs has been measured to higher than O(αs2) in the perturbation expansion. The value of αs has been shown to be flavor independent. The QCD color factors have been measured and found to be consistent with SU(3) as the underlying symmetry of the strong interaction. The existence of the triple gluon vertex has been demonstrated and the spin of the gluon definitively determined. In the realm of soft, non-perturbative QCD, the string effect and other inter-jet phenomena have been investigated. Intra-jet effects have also been examined.

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