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Search for the highly suppressed decays B- -> K+π-π- and B- -> K-K-π+
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BaBar Collaboration (Including: Gershon, T. J., Harrison, P. F., Ilić, Jelena, Latham, Thomas and Mohanty, G. B.). (2008) Search for the highly suppressed decays B- -> K+π-π- and B- -> K-K-π+. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.78 (No.9). 091102. doi:10.1103/PhysRevD.78.091102 ISSN 1550-7998.
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WRAP_Latham_0808.0900v2.pdf - Accepted Version Download (288Kb) |
Official URL: http://dx.doi.org/10.1103/PhysRevD.78.091102
Abstract
We report a search for the decays B- -> K+pi(-)pi(-) and B- -> K-K-pi(+), which are highly suppressed in the standard model. Using a sample of (467 +/- 5) x 10(6) B (B) over bar pairs collected with the BABAR detector, we do not see any evidence of these decays and determine 90% confidence level upper limits of B(B- -> K+pi(-)pi(-)) and < 9.5 x 10(-7) B(B- -> K-K-pi(+)) and < 1.6 x 10(-7) on the corresponding branching fractions, including systematic uncertainties.
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