Angular distribution analysis of $B \to J/ψK^{*}$ and resolving discrete ambiguities in the determination of $ϕ_1$

We discuss the angular distribution analysis of $B\to J/ψK^{*}$ decays and a way to resolve discrete ambiguites in the determination of the unitary triangle $ϕ_1(=β)$. We study the status of factorization hypothesis in the color-suppressed B meson decays: $B\to J/ψK^{(*)}$ within the general factorization approach and QCD-factorization method.

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