Analysis of Bs → KK decays in the PQCD

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Abstract

We study Bs → KK decays in the framework of the PQCD. We show that the branching ratios of Bs → (K+K-, K00) are about (22.43, 25.78) × 10-6 for φ3(γ) ≃ 72°, which are consistent with the model-independent estimations. We find that the typical scale of the decays is near 1.7 GeV. We also point out that the induced strong phase δ is around 207° so that the direct CP asymmetry of Bs → K+K- could reach 15%.

Original languageEnglish
Pages (from-to)33-40
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume520
Issue number1-2
DOIs
Publication statusPublished - 2001 Nov 8

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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