We present measurements of branching fractions and charge asymmetries for charmless B-meson decays to three-body final states of charged pions and kaons. The analysis uses 81.8 fb(-1) of data collected at the Y(4S) resonance with the BABAR detector at the SLAC PEP-II asymmetric B Factory. We measure the branching fractions pi(+)pi(-)pi(+))=(10.9 +/- 3.3 +/- 1.6)x10(-6), B(B+-> K+pi(-)pi(+))=(59.1 +/- 3.8 +/- 3.2)x10(-6), and B(B+-> K+K-K+)=(29.6 +/- 2.1 +/- 1.6)x10(-6) and provide 90% C.L. upper limits for other decays. We observe no charge asymmetries for these modes.

Aubert, B., Barate, R., Boutigny, D., Gaillard, J., Hicheur, A., Karyotakis, Y., et al. (2003). Measurements of the branching fractions and bounds on the charge asymmetries of charmless three-body charged B decays. PHYSICAL REVIEW LETTERS, 91(5), 1-7 [10.1103/PhysRevLett.91.051801].

Measurements of the branching fractions and bounds on the charge asymmetries of charmless three-body charged B decays

CARPINELLI, Massimo;
2003

Abstract

We present measurements of branching fractions and charge asymmetries for charmless B-meson decays to three-body final states of charged pions and kaons. The analysis uses 81.8 fb(-1) of data collected at the Y(4S) resonance with the BABAR detector at the SLAC PEP-II asymmetric B Factory. We measure the branching fractions pi(+)pi(-)pi(+))=(10.9 +/- 3.3 +/- 1.6)x10(-6), B(B+-> K+pi(-)pi(+))=(59.1 +/- 3.8 +/- 3.2)x10(-6), and B(B+-> K+K-K+)=(29.6 +/- 2.1 +/- 1.6)x10(-6) and provide 90% C.L. upper limits for other decays. We observe no charge asymmetries for these modes.
Articolo in rivista - Articolo scientifico
Cerenkov counters; Computer simulation; Monte Carlo methods; Nuclear physics; Particle beam tracking; Particle beams; Probability; Storage rings; Branching fractions; Charged particles;
English
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7
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B. Aubert et al. (BABAR Collaboration)
Aubert, B., Barate, R., Boutigny, D., Gaillard, J., Hicheur, A., Karyotakis, Y., et al. (2003). Measurements of the branching fractions and bounds on the charge asymmetries of charmless three-body charged B decays. PHYSICAL REVIEW LETTERS, 91(5), 1-7 [10.1103/PhysRevLett.91.051801].
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