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2008•International Journal of Modern Physics AOpen access

CHARMLESS HADRONIC B AND Bs DECAYS IN PERTURBATIVE QCD APPROACH

Cai-Dian Lü

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Abstract

We review the perturbative QCD approach study of hadronic B decays. Utilizing the constrained parameters in these well measured decay channels, we study most of the possible charmless Bs → PP, PV and VV decay channels in the perturbative QCD approach. In addition to the branching ratios and CP asymmetries, we also give predictions to the polarization fractions of the vector meson final states. The size of SU (3) breaking effect is also discussed. These predictions can be tested by the future LHCb experiment.

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What this paper is about

We review the perturbative QCD approach study of hadronic B decays. Utilizing the constrained parameters in these well measured decay channels, we study most of the possible charmless Bs → PP, PV and VV decay channels in the perturbative QCD approach. In addition to the branching ratios and CP asymmetries, we also give predictions to the polarization fractions of the vector meson final states. The size of SU (3) breaking effect is also discussed. These predictions can be tested by the future LHCb experiment.

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Available abstract

We review the perturbative QCD approach study of hadronic B decays. Utilizing the constrained parameters in these well measured decay channels, we study most of the possible charmless Bs → PP, PV and VV decay channels in the perturbative QCD approach. In addition to the branching ratios and CP asymmetries, we also give predictions to the polarization fractions of the vector meson final states. The size of SU (3) breaking effect is also discussed. These predictions can be tested by the future LHCb experiment.

Key concepts: Physics, Particle physics, Hadron, Perturbative QCD, Quantum chromodynamics, Vector meson, B meson, Branching fraction

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