COMPARATIVE-ANALYSIS OF TAU-LEPTON DECAY AND ELECTRON-POSITRON ANNIHILATION

被引：15

作者：

DONNACHIE, A ^{[1
]}

CLEGG, AB ^{[1
]}

机构：

[1] UNIV LANCASTER,SCH PHYS & MAT,LANCASTER LA1 4YB,ENGLAND

来源：

PHYSICAL REVIEW D | 1995年 / 51卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.51.4979

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

It has been suggested that the hadronic decays of the τ lepton provide a good testbed for the study of QCD. To implement this successfully it is essential to be assured that individual hadronic channels are well understood and that none has been omitted. A detailed and critical comparison is made of the hadronic τ decays via the vector current with complementary information from e+e- annihilation. This serves to specify the vector channels. A similar study is made of the hadronic τ-lepton decays via the axial-vector current. It is shown to be possible to obtain a solution which is consistent with QCD calculations. Attention is drawn to data which need improvement to increase the efficacy of the present test. © 1995 The American Physical Society.

引用

页码：4979 / 4991

页数：13

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