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On the role of the final-state interactions in rare B decays

  • Elementary Particles and Fields
  • Theory
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Abstract

The effects of final-state interactions (FSI) in hadronic B decays are investigated. The model for FSI, based on Regge phenomenology of high-energy hadronic interactions, is proposed. It is shown that this model explains the pattern of phases in matrix elements of B → ππ and B → ρρ decays. These phases play an important role for CP violation in B decays. The most precise determination of the unitarity triangle angle α from B d → ρπ decays is performed. The relation between CP asymmetries in B → Kπ decays is discussed. It is emphasized that the large-distance FSI can explain the structure of polarizations of the vector mesons in B decays and other puzzles like a very large branching ratio of the B decay to \( \bar \Xi \) c Λ c .

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Authors and Affiliations

  1. Institute of Theoretical and Experimental Physics, Moscow, Russia

    A. B. Kaidalov & M. I. Vysotsky

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  1. A. B. Kaidalov
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  2. M. I. Vysotsky
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Kaidalov, A.B., Vysotsky, M.I. On the role of the final-state interactions in rare B decays. Phys. Atom. Nuclei 72, 2126–2135 (2009). https://doi.org/10.1134/S1063778809120138

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  • DOI: https://doi.org/10.1134/S1063778809120138

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