B --> πK puzzle: Solutions in the Standard Model and in New Physics

Details B --> πK puzzle: Solutions in the Standard Model and in New Physics B --> πK puzzle: Solutions in the Standard Model and in New Physics

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..805..318b&link_type=abstract

PARTICLES, STRINGS, AND COSMOLOGY: 11th International Symposium on Particles, Strings, and Cosmology; PASCOS 2005. AIP Conferen

Physics

Decays Of Bottom Mesons, Unified Theories And Models Of Strong And Electroweak Interactions

Scientific paper

The present B --> πK data is studied in the context of the standard model (SM) and with new physics (NP). We confirm that the SM has difficulties explaining the B --> πK measurements. By adopting an effective-lagrangian parametrization of NP effects, we are able to rule out several classes of NP. Our model-independent analysis shows that the B --> πK data can be accommodated by NP in the electroweak penguin sector.

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