Search for the highly suppressed decays B- -> K+ pi- pi- and B- -> K- K- pi+

Details Search for the highly suppressed decays B- -> K+ pi- pi- and B- -> K- K- pi+ Search for the highly suppressed decays B- -> K+ pi- pi- and B- -> K- K- pi+

2008-08-06

arxiv.org/abs/0808.0900v2

Phys.Rev.D78:091102,2008

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 3 postscript figures, 1 table, published in Physical Review D (Rapid Communications). Updates in v2 are minor changes

Scientific paper

10.1103/PhysRevD.78.091102

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 BBbar pairs collected with the BaBar detector, we do not see any evidence of these decays and determine 90% confidence level upper limits of BF(B- -> K+ pi- pi-) < 9.5 x 10^-7 and BF(B- -> K- K- pi+) < 1.6 x 10^-7 on the corresponding branching fractions, including systematic uncertainties.

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