English

Exploring New Physics in $B \rightarrow \pi K$ Decays

High Energy Physics - Phenomenology 2020-08-25 v2

Abstract

B-meson decays play an important role in flavour physics. The BπKB \rightarrow \pi 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 BπKB \rightarrow \pi 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?

Keywords

Cite

@article{arxiv.2008.08468,
  title  = {Exploring New Physics in $B \rightarrow \pi K$ Decays},
  author = {Eleftheria Malami},
  journal= {arXiv preprint arXiv:2008.08468},
  year   = {2020}
}

Comments

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

R2 v1 2026-06-23T17:57:52.802Z