PNNL-SA-128762 BELLE2-CONF-PROC-2017-028

Prospects for rare B decays at Belle II

Sam Cunliffe

29 August 2017

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 → sl+l− 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 → sl+l− processes and others, such as b → (s, d)γ and b → sνν . Areas where the Belle II program is complementary to that of the currently running LHCb experiment are highlighted.

Keyword(s): rare decays ; electroweak penguin decays ; radiative ; FCNC ; Belle II ; SuperKEKB ; flavour-changing neutral current
Note: DPF2017

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 Record created 2017-08-30, last modified 2017-09-01

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