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Status and prospects for $\tau$ property measurements at Belle II

by Michel Hernández Villanueva, on behalf of the Belle II collaboration

Submission summary

As Contributors: Michel Enrique Hernandez Villanueva
Preprint link: scipost_202112_00024v1
Date submitted: 2021-12-10 22:47
Submitted by: Hernandez Villanueva, Michel Enrique
Submitted to: SciPost Physics Proceedings
Proceedings issue: 16th International Workshop on Tau Lepton Physics (TAU2021)
Academic field: Physics
  • High-Energy Physics - Experiment
Approach: Experimental


The Belle II experiment is a major upgrade of the Belle detector, operating at the SuperKEKB energy-asymmetric $e^+e^-$ collider with a design luminosity of 8×$10^{35}$~cm$^{-2}$s$^{-1}$. To date, the detector has recorded over 200 fb$^{-1}$ of data and aims to collect 50 ab$^{-1}$, a factor of x50 more than its predecessor. Belle II has a broad $\tau$ physics program, from high-precision measurements of SM parameters to searches of new physics via experimental probe of BSM processes. In this work, we review the status of the Belle II experiment, and the prospects for the measurement of the $\tau$ lepton mass and lifetime, fundamental inputs in tests of LFU violation.

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Submission scipost_202112_00024v1 on 10 December 2021

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