Comment on ``B->M_1 M_2: Factorization, charming penguins, strong phases, and polarization''

Details Comment on ``B->M_1 M_2: Factorization, charming penguins, strong phases, and polarization'' Comment on ``B->M_1 M_2: Factorization, charming penguins, strong phases, and polarization''

2004-11-12

arxiv.org/abs/hep-ph/0411171v1

Phys.Rev.D72:098501,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

Comment on hep-ph/0401188 by Bauer, Pirjol, Rothstein and Stewart; 4 pages

Scientific paper

10.1103/PhysRevD.72.098501

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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