4-JET DECAYS OF THE Z0 - PROSPECTS OF TESTING THE TRIPLE GLUON COUPLING

被引：97

作者：

BETHKE, S

RICKER, A

ZERWAS, PM

机构：

[1] RHEIN WESTFAL TH AACHEN,INST PHYS 3A,W-5100 AACHEN,GERMANY

[2] RHEIN WESTFAL TH AACHEN,INST THEORET PHYS,W-5100 AACHEN,GERMANY

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1991年 / 49卷 / 01期

关键词：

D O I：

10.1007/BF01570797

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

A large fraction of 4-jet events in Z0 decays evolve from qqBARgg parton states. These configurations allow us to test the triple gluon coupling which is a consequence of the non-Abelian nature of QCD. The strength and the form of this coupling determine the quark-gluon decomposition of the final state as well as angular correlations between the jets. A critical assessment of the sensitivity of these observables to the ggg vertex is presented under realistic experimental conditions. Methods to improve the sensitivity in large samples of Z0 decays are suggested.

引用

页码：59 / 72

页数：14

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