A scenario for high accuracy τ mass measurement at BEPC-II

Mikhail N. Achasov,Vladimir E. Blinov,Xiao Cai,ChengDong Fu,Frederick A. Harris,Qian Liu,XiaoHu Mo,Nikolay Yu Muchnoi,Ivan B. Nikolaev,Qing Qin,Andrey G. Shamov,Ku Yu Todyshev,Yifang Wang,Jianyong Zhang

Chinese Physics C（2012）

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摘要

Scenarios for the T mass measurement at the upgraded Beijing Electron-Positron Collider (BEPC-II) are studied. A nested minimization procedure is used to optimize the data taking plan. It is found that by using five energy points with the total integrated luminosity of 100 pb(-1), the tau mass can be determined with a statistical error of 50 keV.

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关键词

tau mass,scan optimization uncertainty

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