Nonfactorizable Effects in Charmless B Decays and B Meson Lifetimes

Details Nonfactorizable Effects in Charmless B Decays and B Meson Lifetimes Nonfactorizable Effects in Charmless B Decays and B Meson Lifetimes

1998-09-07

arxiv.org/abs/hep-ph/9809284v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures, talk presented at the XXIX International Conference on High Energy Physics, Vancouver, July 23-28, 1998

Scientific paper

Status of nonfactorizable effects in hadronic charmless B decays is reviewed.
Implications of new CLEO measurements on $B^0\to\pi^+\pi^-$ and $B\to\eta' K$
are discussed. Nonfactorizable effects due to color ocet 4-quark operators are
calculated using renormalization group improved QCD sum rules. The resultant
B-meson lifetime ratio $\tau(B^-)/\tau(B_d)$ agrees with experiment.

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