The Belle II Experiment and SuperKEKB Upgrade

Abstract

The Belle II / SuperKEKB experiment is an $e^{+}{e}^{-}$ collider running at the ${\rm Y}(4S)$ resonance energy to produce B meson pairs. As an upgrade of the Belle / KEKB experiment, it will start physics data taking from 2018 and with $\sim 40$ times luminosity, its goal is to accumulate 50 $a{b}^{-1}$ of $e^{+}{e}^{-}$ collision data. Now the upgrade of the sub-detector systems is on-going in KEK. The physics program has a wide range of areas, including searches for direct CPV, Lepton Flavour Violation and dark matter. In this proceedings, we review the current upgrade status of Belle II and SuperKEKB and introduce some physics opportunities at this facility.

Proceedings of the PhiPsi15, Sep. 23-26, 2015, Hefei, China; University of Cincinnati preprint UCHEP-15-06; revise expressions and change references

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