Discussion on upper limit of the precision for τ mass measurement

被引：1
作者：
Mo, X. H. [1 ]
机构：
[1] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
来源：
MODERN PHYSICS LETTERS A | 2016年 / 31卷 / 35期
基金：
中国国家自然科学基金;
关键词：
tau mass; upper limit; high precision; ENERGY MEASUREMENT SYSTEM; LEPTON MASS; QUARK; STRATEGY;
D O I：
10.1142/S0217732316501960
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
tau lepton is one of three charged leptons in nature, the measurements of its mass have been performed since its discovery. The present relative accuracy is already at the level of 10(-4); more factors are still being studied in order to increase the accuracy. However, the available techniques for analysis and expectable luminosity from e(+) e(-) collider indicate that the precision upper limit of tau mass is almost reached, which means that brand new approaches should be considered if a great improvement is yearned for.
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