ANALYTICAL APPROXIMATION OF Z-LINE SHAPE

被引：2
|
作者：
WANG, P
ZHU, YS
机构：
[1] China Center for Advanced Science and Technology (World Laboratory), Beijing 100080
[2] Institute of High Energy Physics, Beijing 100039
来源：
PHYSICAL REVIEW D | 1991年 / 43卷 / 05期
关键词：
D O I：
10.1103/PhysRevD.43.1459
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
An analytical form of the e+e- annihilation cross section including initial-state radiation near the Z is presented. Its accuracy is 0.1% within (M -3-GAMMA-Z,M + 2-GAMMA-Z) and 0.4% within (M -4-GAMMA-Z,M + 4-GAMMA-Z) for the lepton as well as hadron channels. The formulas could be used to extract the physical parameters of the Z boson from the data of e+e- colliding experiments.
引用
收藏
页码：1459 / 1464
页数：6
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