Nonleptonic B decays into two light mesons in soft-collinear effective theory

Details Nonleptonic B decays into two light mesons in soft-collinear effective theory Nonleptonic B decays into two light mesons in soft-collinear effective theory

2003-01-30

arxiv.org/abs/hep-ph/0301262v2

Nucl.Phys.B680:302-338,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

42 pages, 5 figures, 2 tables Major revision of the manuscript. The idea of using SCET_I, and SCET_II is clearly presented. So

Scientific paper

10.1016/j.nuclphysb.2003.12.027

We consider nonleptonic B decays into two light mesons at leading order in soft-collinear effective theory, and show that the decay amplitudes are factorized to all orders in alpha_s. The operators for nonleptonic B decays in the full theory are first matched to the operators in SCET_I, which is the effective theory appropriate for sqrt{m_b Lambda} pi,pi in soft-collinear effective theory.

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