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QCD factorization in B decays into $\rho\pi$

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FIGURE 1. Naive factorization, where M 1 and M 2 represent the final meson states.
FIGURE 2. Graphical representation of the QCD factorization formula.
FIGURE 3. Branching ratio for B ± → ρ 0 π ± , for limiting values of the CKM matrix elements (Left hand-side)
FIGURE 4. Branching ratio for B 0 → ρ ± π ∓ , for limiting values of the CKM matrix elements (Left hand-side)
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