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$τ$ lepton mass measurement at BESIII

by J. Y. Zhang

Submission summary

As Contributors: Jianyong Zhang
Arxiv Link: https://arxiv.org/abs/1812.10056v1
Date accepted: 2019-01-17
Date submitted: 2018-12-27
Submitted by: Zhang, Jianyong
Submitted to: SciPost Physics Proceedings
Proceedings issue: The 15th International Workshop on Tau Lepton Physics (Amsterdam, 2018-09)
Domain(s): Experimental
Subject area: High-Energy Physics - Experiment

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.

Current status:

Submission & Refereeing History

Resubmission 1812.10056v1 on 27 December 2018
Submission scipost_201811_00024v1 on 15 November 2018

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