Hot Topics from Belle

2004/12/01 by T. Gershon, Tim Gershon, Gershon, Tim
Engineering · Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #Particle Accelerators and Free-Electron Lasers #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ex

paper · pdf · doi:10.48550/arxiv.hep-ex/0412001

Contribution to the Proceedings of FPCP2004, Daegu, Korea. 7 pages, 3 figures, 1 table

arxiv created 2004/12/01 · openalex publication_date 2004/12/01 · arxiv updated 2019/08/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The most precise current determination of the Unitarity Triangle angle ϕ₃ is presented. It is obtained using the decay B⁺ → D^(*) K⁺, with Dalitz plot analysis of the subsequent D → K_S π⁺π^- decay. The result is ϕ₃ = 68^∘ ^{+14^∘}_-15^∘ \stat ± 13^∘ \syst ± 11^∘ \model.

Related

• Recent results on ϕ₃ at Belle
• Theory of CP angles measurement
• Angles of the CKM Unitarity Triangle Measured at Belle
• Determination of the CKM angle ϕ₃ from a combination of Belle and Belle II results
• Measurement of phi₃ in B->D(*)K Decays at Belle