Perturbative QCD analysis of B→φK* decays

Chuan Hung Chen, Yong Yeon Keum, Hsiang Nan Li

研究成果: Article

101 引文 斯高帕斯(Scopus)


We study the first observed charmless B→VV modes, the B→φK* decays, in perturbative QCD formalism. The obtained branching ratios B(B→φK*)∼15×10-6 are larger than ∼9×10-6 from QCD factorization. The comparison of the predicted magnitudes and phases of the different helicity amplitudes, and branching ratios with experimental data can test the power counting rules, the evaluation of annihilation contributions, and the mechanism of dynamical penguin enhancement in perturbative QCD, respectively.

期刊Physical Review D
出版狀態Published - 2002 十二月 1

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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