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

CAI Xiao; FU Cheng-Dong; MO Xiao-Hu; QIN Qing; WANG Yi-Fang; ZHANG Jian-Yong

doi:10.1088/1674-1137/36/7/001

Chinese Physics C> 2012, Vol. 36> Issue(7) : 573-577 DOI: 10.1088/1674-1137/36/7/001

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

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Abstract：
Scenarios for the τ 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 τ mass can be determined with a statistical error of 50 keV.

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CAI Xiao, FU Cheng-Dong, MO Xiao-Hu, QIN Qing, WANG Yi-Fang and ZHANG Jian-Yong. A scenario for high accuracy τ mass measurement at BEPC-Ⅱ[J]. Chinese Physics C, 2012, 36(7): 573-577. doi: 10.1088/1674-1137/36/7/001

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Received: 2011-11-22
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2011-11-22

Accepted Date: 2011-12-20

Available Online: 2012-07-05

Abstract: Scenarios for the τ 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 τ mass can be determined with a statistical error of 50 keV.

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