2020/08/18 by Eleftheria Malami
Computer Science · Physics and Astronomy · #Asymmetry #Computational Physics and Python Applications #Current (fluid) #Electroweak interaction #Neutral current #Particle physics theoretical and experimental studies #Physics beyond the Standard Model #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Standard Model (mathematical formulation) #hep-ph
paper · pdf · doi:10.22323/1.376.0025
10 pages, 5 figures, Corfu Summer Institute 2019 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2019) - Workshop on Connecting Insights in Fundamental Physics: Standard Model and Beyond
openalex publication_date 2020/08/18 · arxiv created 2020/08/24 · openalex created_date 2020/08/24 · arxiv updated 2020/08/25 · openalex updated_date 2026/08/05
B-meson decays play an important role in flavour physics. The B → π K decays are dominated by QCD loop diagrams (penguins) but also electroweak penguins, where New Physics may enter, have a significant impact on the decay amplitude. Since measurements from B-factories indicate deviations from the Standard Model picture, we perform a state-of-the-art analysis to explore the correlation of the CP asymmetries and to get an updated picture. We propose a strategy for the optimal determination of the parameters which describe electroweak penguin effects and apply it to current data, utilising both neutral and charged B → π K decays. This new method can be fully exploited at the future Belle-II experiment, which will hopefully answer the question: Do these decays imply New Physics?