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$τ$ lepton mass measurement at BESIII
by J. Y. Zhang
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Submission summary
| Authors (as registered SciPost users): | Jianyong Zhang |
| Submission information | |
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| Preprint Link: | https://arxiv.org/abs/1812.10056v1 (pdf) |
| Date accepted: | Jan. 17, 2019 |
| Date submitted: | Dec. 27, 2018, 1 a.m. |
| Submitted by: | Jianyong Zhang |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | The 15th International Workshop on Tau Lepton Physics (TAU2018) |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approach: | Experimental |
Abstract
In order to obtain the mass of $\tau$ lepton at BESIII precisely, a beam energy measurement system was built at BEPCII. A scenario for high precision $\tau$ mass measurement was put forth before data taken. More than 130 $pb^{-1}$ $\tau$ mass scan data were collected in April 2018, and the uncertainty of $m_{\tau}$ is expected to be less than 100 keV.
Published as SciPost Phys. Proc. 1, 004 (2019)