Abandoning Exact SU(3) in Coupled-Channel Final-State Interactions through Reggeon Exchange for B→ ππ, KK
Lach, P.
Original · EN
For weak decays Bd⁰→ ππ and KK the effects of SU(3) breaking in coupled-channel final-state interaction effects are discussed in a Regge framework. It is shown that SU(3) breaking in the inelastic final-state transitions dramatically affects the phases of the isospin I=0,1,2 amplitudes in the Bd⁰ decays. The effect of the singlet penguin diagram on these phases is studied. Furthermore, on the example of the Bd⁰→ ππ decays, the dependence of CP asymmetries on the size of penguin amplitude is analyzed.
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