Amplitude Analysis of the Decay B+- -> pi+- pi+- pi-+
Abstract
We present a Dalitz-plot analysis of charmless B+- decays to the final state pi+- pi+- pi-+ using 210 fb-1 of data recorded by the BABAR experiment at sqrt(s) = 10.58 GeV. We measure the branching fractions B(B+- -> pi+- pi+- pi-+) = (16.2 +- 1.2 +- 0.9) x 10-6 and B(B+- -> rho0(770) pi+-) = (8.8 +- 1.0 +- 0.6 +0.1-0.7) x 10-6. Measurements of branching fractions for the quasi-two-body decays B+- -> rho0(1450) pi+-, B+- -> f0(980) pi+- and B+- -> f2(1270) pi+- are also presented. We observe no charge asymmetries for the above modes, and there is no evidence for the decays B+- -> chic0 pi+-, B+- -> f0(1370) pi+- and B+- -> sigma pi+-.
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