• DOI:10.1103/PhysRevLett.83.1914
• Corpus ID: 30741015

QCD factorization for B ---> pi pi decays: Strong phases and CP violation in the heavy quark limit

@article{Beneke1999QCDFF,
  title={QCD factorization for B ---> pi pi decays: Strong phases and CP violation in the heavy quark limit},
  author={Martin Beneke and Gerhard Buchalla and Matthias Neubert and Christopher T C Sachrajda},
  journal={Physical Review Letters},
  year={1999},
  volume={83},
  pages={1914-1917}
}

• M. Beneke, G. Buchalla, +1 author C. Sachrajda
• Published 11 May 1999
• Physics
• Physical Review Letters

We show that, in the heavy quark limit, the hadronic matrix elements that enter B meson decays into two light mesons can be computed from first principles, including {open_quotes}nonfactorizable{close_quotes} strong interaction corrections, and expressed in terms of form factors and meson light-cone distribution amplitudes. The conventional factorization result follows in the limit when both power corrections in 1/m{sub b} and radiative corrections in {alpha}{sub s} are neglected. We compute the order-{alpha}{sub s} corrections to the decays B{sub d}{r_arrow}{pi}{sup +}{pi}{sup {minus}} , B{sub d}{r_arrow}{pi}{sup 0}{pi}{sup 0} , and B{sup +}{r_arrow}{pi}{sup +}{pi}{sup 0} in the heavy quark limit and briefly discuss the phenomenological implications for the branching ratios, strong phases and {ital CP } violation. {copyright} {ital 1999} {ital The American Physical Society}