BELLE2-TALK-DRAFT-2018-114 BELLE2-TALK-CONF-2018-122

Prospects for $\tau$ lepton physics at Belle II

Michel Hernandez Villanueva

24 September 2018
15th International Workshop on  Tau Lepton Physics

Abstract: The Belle II experiment is a substantial 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 in 2016 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.

Keyword(s): tau physics ; Phase II
Note: 15+5 min

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