QCD factorization for exclusive non-leptonic B-meson decays: general arguments and the case of heavy–light final states

2000/06/13 by Μ. Beneke, M. Beneke, G. Buchalla +4 · 34 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1016/s0550-3213(00)00559-9

published as Nucl.Phys.B591:313-418,2000 · 112 pages, LaTeX, 30 figures

arxiv created 2000/06/13 · openalex publication_date 2000/12/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04

Abstract

We provide a rigorous basis for factorization for a large class of non-leptonic two-body B-meson decays in the heavy-quark limit. The factorization formula incorporates elements of the naive factorization approach and the hard-scattering approach, but allows us to compute systematically radiative (``non-factorizable'') corrections to naive factorization for decays such as B→ Dπ and B→ ππ. We discuss the factorization formula for a general final state from a general point of view. We then consider factorization for decays into heavy-light final states (such as B→ Dπ) in more detail, including a proof of the factorization formula at two-loop order. Explicit results for the leading QCD corrections to factorization are presented and compared to existing measurements of branching fractions and final-state interaction phases.

Citations

• Hadronic phases and isospin amplitudes in D(B)→ππ and decays
• Systematics of Soft Final-State Interactions inBDecays
• Gauge invariant and infrared finite theory of nonleptonic heavy meson decays
• Two-body non-leptonic decays on the lattice
• Heavy-to-light form factors in the final hadron large energy limit: Covariant quark model approach
• Factorization in non-leptonic decays of heavy mesons
• QCD Factorization forB→ππDecays: Strong Phases andCPViolation in the Heavy Quark Limit
• Regge asymptotics and color suppressed heavy meson decays

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