Prospects for rare B decays at Belle II

Abstract

Rare and flavour-changing neutral current decays of the B meson are an important probe in the search for physics beyond the Standard Model. There have recently been several anomalies in rare B decays, and lepton-universality measurements, specifically involving the $b\to s{\ell }^{+}{\ell }^{-}$ quark transition. These results tend towards a non-Standard-Model interpretation. The Belle II experiment is a next-generation b physics experiment located at SuperKEKB, an upgraded B factory $e^{+}{e}^{-}$ collider, in Tsukuba, Japan. The first collisions are expected in early 2018 with full physics data expected in 2019. This document describes prospects for several rare B decays at Belle II including $b\to s{\ell }^{+}{\ell }^{-}$ processes and others, such as $b\to (s,d)\gamma$ and $b\to s\nu \bar{\nu }$. Areas where the Belle II program is complementary to that of the currently running LHCb experiment are highlighted.

Proceedings of the APS Division of Particles and Fields Meeting (DPF2017), July 31-August 4, 2017, Fermilab. C170731

References in corpus (7)

• Test of lepton universality using $B^{+}\to K^{+}{\ell }^{+}{\ell }^{-}$ decays
• Updated NNLO QCD predictions for the weak radiative B-meson decays
• Lepton Flavor Violation in B Decays?
• Logarithmically Enhanced Corrections to the Decay Rate and Forward Backward Asymmetry in anti-B --> X(s) l+ l-
• A New Light Particle in B Decays?
• Resonances gone topsy turvy - the charm of QCD or new physics in $b\to s{\ell }^{+}{\ell }^{-}$?
• Measurements of Direct CP Asymmetries in B to X_s gamma decays using Sum of Exclusive Decays