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Annihilation contribution and Ba 0π, f 0 K decays

  • D. DelepineEmail author
  • J. L. Lucio M.
  • C. A. Ramírez
Theoretical Physics

Abstract.

We analyze the \(B^0 \to a^\pm_0 \pi^\mp\) and B –,0f 0 K –,0 decays and show that a consistent phenomenological picture can be obtained within the factorization approximation. In this approach the O 6 operator provides the dominant contributions to the suppressed channel \(B^0 \to a^ + _0 \pi^-\). An estimate of the annihilation form factor using perturbative QCD indicates that this contribution is not negligible, moreover interference with other penguin contributions includes a free parameter since the phase of the annihilation amplitude is not determined. Assumptions based on SU(2) isospin symmetry provide relations between different B decays involving one scalar and one pseudoscalar meson.

Keywords

Field Theory Elementary Particle Quantum Field Theory Form Factor Free Parameter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • D. Delepine
    • 1
    Email author
  • J. L. Lucio M.
    • 1
  • C. A. Ramírez
    • 2
  1. 1.Instituto de FísicaUniversidad de GuanajuatoLeónMéxico
  2. 2.Depto. de FísicaUniversidad Industrial de SantanderBucaramangaColombia

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