Final State Interaction Phases in $ B \to K π$ Decay Amplitudes

Details Final State Interaction Phases in $ B \to K π$ Decay Amplitudes Final State Interaction Phases in $ B \to K π$ Decay Amplitudes

1998-02-19

arxiv.org/abs/hep-ph/9802361v1

Phys.Lett. B429 (1998) 106-110

Physics

High Energy Physics

High Energy Physics - Phenomenology

8pages,latex

Scientific paper

10.1016/S0370-2693(98)00472-9

A simple Regge pole model for $K\pi$ scattering explains the large $e^{i
\delta}$ between isospin amplitudes which is observed at the D meson mass
($\delta \approx \pi/2$). It predicts $\delta \approx 14^{\circ}-
20^{\circ}$ at the B mass. Implications for ($B \to K \pi$) decays and
extensions of the model to other two-body decay channels are briefly discussed.

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