SEMIINCLUSIVE TAU-DECAYS INVOLVING THE VECTOR OR AXIAL-VECTOR HADRONIC CURRENTS

被引：52

作者：

NARISON, S

PICH, A

机构：

[1] UNIV HEIDELBERG,INST THEORET PHYS,W-6900 HEIDELBERG,GERMANY

[2] CERN,CH-1211 GENEVA 23,SWITZERLAND

来源：

PHYSICS LETTERS B | 1993年 / 304卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(93)90309-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The theoretical predictions for the semi-inclusive hadronic tau decays into an even/odd number of pions (and kaons) are up-dated, and compared with the corresponding sums of exclusive tau-decay modes. The value of alpha(s)(M(tau)2) obtained from these semi-inclusive widths agree with the one obtained from the total inclusive hadronic width. The experimental e+ e- --> hadrons data are also used to perform additional tests in the vector sector. Using the e+ e- data and varying the value of M(tau), we show that there is a good agreement among the results obtained at different mass scales.

引用

页码：359 / 365

页数：7

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