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Final State Interactions and New Physics in B -> pi K Decays
Adam F. Falk, Alexander L. Kagan, Yosef Nir +1
Within the Standard Model, and if one assumes that soft rescattering effects are negligible, the CP asymmetry A^dir_CP (B^\pm -> π^\pm K) is predicted to be very small and the rati…
Probing the Flavor and CP Structure of Supersymmetric Models with K --> pi nu nubar Decays
Yosef Nir, Mihir P. Worah
We study the implications of various supersymmetric models on the rare and decays. Although large effects are possible in generic supersym…
Recent Developments in Theory of CP Violation
Yosef Nir
Four topics in theory of CP violation are reviewed. (a) CP violation in decays: We describe a new clean way of constraining the angle of the unitarity triangle and how new…
Implications of the Fleischer-Mannel Bound
Yuval Grossman, Yosef Nir, Stephane Plaszczynski +1
Fleischer and Mannel (FM) have shown that it may become possible to constrain the angle of the unitarity triangle from measurements of various decays. This constraint…
The Role of the Vacuum Insertion Approximation in Calculating CP Asymmetries in B Decays
Yuval Grossman, Boris Kayser, Yosef Nir
CP asymmetries in decays into final CP eigenstates are in many cases theoretically clean. In particular, they do not depend on the values of hadronic parameters. The sign of th…
A Model Independent Construction of the Unitarity Triangle
Yuval Grossman, Yosef Nir, Mihir P. Worah
In a large class of models, the only significant new physics effect on the CP asymmetries in and decays is a new contribution to the mixing ampli…