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Prospects for $\tau$ lepton physics at Belle II

by Michel Hernandez Villanueva

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Submission summary

Authors (as registered SciPost users): Michel Enrique Hernandez Villanueva
Submission information
Preprint Link: scipost_201811_00003v2  (pdf)
Date accepted: 2019-01-17
Date submitted: 2018-12-11 01:00
Submitted by: Hernandez Villanueva, Michel Enrique
Submitted to: SciPost Physics Proceedings
Proceedings issue: The 15th International Workshop on Tau Lepton Physics (TAU2018)
Ontological classification
Academic field: Physics
  • High-Energy Physics - Experiment
Approach: Experimental


The Belle II experiment is an upgrade of the Belle detector and will operate at the SuperKEKB energy-asymmetric $e^+e^-$ collider. The accelerator has already successfully completed the first phase of commissioning and first electron positron-collisions in Belle II were observed in April 2018. The design luminosity of SuperKEKB is 8x10$^{35}$ cm$^{-2}$s$^{-1}$ and the Belle II experiment aims to record 50 ab$^{-1}$ of data, a factor of 50 more than the Belle experiment. Belle II has a broad program of $\tau$ physics, in particular, precision measurements of Standard Model parameters and searches of lepton flavor and lepton number violations (LFV and LNV), benefiting from the large cross-section of the pairwise $\tau$ lepton production in $e^+e^-$ collisions. In this talk, we will review the $\tau$ lepton physics program of Belle II.

Author comments upon resubmission

I appreciate the changes suggested by the referee. They have been implemented, and additional minor style-changes in the text have been done.

List of changes

1. "(LFV and LNV)" have been removed from the abstract.
2. On page2, "cm^-2 s^-2" has been replaced to "cm^2 s^-1".
3. In fig.5, the caption has been fixed: "obtained for previous"->"obtained from previous".
4. At references, a blank space has been added between the journal and the volume.
5. Section 4.3, fixing a typo: "especial" -> "special".
6. Table of contents added.

Published as SciPost Phys. Proc. 1, 003 (2019)

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