Timelike and spacelike QCD characteristics of the e+e- annihilation process

被引：0

作者：

Milton, KA ^{[1
]}

Solovtsov, IL

Solovtsova, OP

机构：

[1] Univ Oklahoma, Dept Phys & Astron, Norman, OK 73019 USA

[2] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Moscow Region, Russia

来源：

EUROPEAN PHYSICAL JOURNAL C | 2000年 / 13卷 / 03期

关键词：

D O I：

10.1007/s100520000311

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：

We consider the Adler D-function, which is defined in the spacelike region, and the e(+)e(-) annihilation ratio smeared, according to the Poggio, Quinn, and Weinberg method, which is determined for timelike argument. We show that the method of the nonperturbative a-expansion allows one to describe these Euclidean and Minkowskian characteristics of the process of e(+)e(-) annihilation down to the lowest energy scales.

引用

页码：497 / 502

页数：6

共 50 条

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