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arxiv: hep-ph/0411171 · v1 · submitted 2004-11-12 · ✦ hep-ph · hep-ex

Comment on ``B->M₁ M₂: Factorization, charming penguins, strong phases, and polarization''

classification ✦ hep-ph hep-ex
keywords factorizationformulaanalysesanalysisapparentapproachattributedauthors
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We show that the factorization formula for non-leptonic B decays to two light flavor non-singlet mesons derived by Bauer et al. in the context of soft-collinear effective theory is equivalent to the corresponding formula in the QCD factorization approach. The apparent numerical differences in the analysis of B->pi+pi data performed by these authors, as compared to previous QCD factorization analyses, can largely be attributed to the neglect of known perturbative and power corrections.

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