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The CP violation of theB→Kϕ decay at γ(4s) in the non-standard models (1990)

Tanimoto, M. ; Hirayama, K. ; Shinmoto, T. ; [et al.]

Springer

The European physical journal 48 (1990), S. 99-104

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ISSN: 1434-6052

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The CP violating asymmetry in theB→Kϕ decay is studied in both supersymmetric model and three Higgs doublets model. The absorptive part of the penguin amplitude leads to the CP violating asymmetry in theB u +- →K ±ϕ decays, which is at most 3% due to the GIM mechanism in the standard model. However, the asymmetry could be relatively large if there exists a new source of the imaginary component in the decay amplitude. In the supersymmetric model, the contributions of the imaginary part of the super-penguin and the super-box processes rather suppress the magnitude of the asymmetry, whereas in the three Higgs doublets model, that of the charged Higgs-penguin process could significantly enhance it.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01565610

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