Eur Phys J C (2004) 33: s274-s276
https://doi.org/10.1140/epjcd/s2003-03-202-6

PS15 Accelerator R and D

Electroweak penguin B decays at Belle

KEK — High Energy Accelerator Research Organization, Tsukuba, Japan

Received: 31 October 2003
Accepted: 6 November 2003
Published online: 25 November 2003

Abstract

We summarise the most recent results of the Belle experiment about flavour changing neutral current (FCNC) radiative and (semi-) leptonic B decays. In particular, we report about the first observation of the decays , B→ φ K γ, the inclusive B→ X _s ℓ⁺ℓ^–. We also report about searches for B→ ℓ⁺ℓ^– decay and for CP asymmetries in .

PACS: 13.20.He – 13.40.Hq – 14.40.Nd – 12.15.Ji – 14.65.Fy – 11.30.Hv