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We present measurements of branching fractions and CP-violating asymmetriesin B0 -> rho+- pi-+ and B0 -> rho- K+ decays. The results are obtained from adata sample of 88.9 10^6 Upsilon(4S) -> B Bbar decays collected with the BABARdetector at the PEP-II asymmetric-energy B Factory at SLAC. From atime-dependent maximum likelihood fit we measure the charge-averaged branchingfractions B(B0 -> rho+- pi-+) = (22.6 +- 1.8(stat) +- 2.2(syst)) 10^(-6) andB(B0 -> rho- K+) = (7.3 +1.3 -1.2 +- 1.3) 10^(-6); and the CP-violating chargeasymmetries Acp(rho pi) = -0.18 +- 0.08 +- 0.03 and Acp(rho K) = 0.28 +- 0.17+- 0.08; the direct CP violation parameter C(rho pi) = 0.36 +- 0.18 +- 0.04 andthe mixing-induced CP violation parameter S(rho pi) = 0.19 +- 0.24 +- 0.03; andthe dilution parameters dC(rho pi) = 0.28 +0.18 -0.19 +- 0.04 and dS(rho pi) =0.15 +- 0.25 +- 0.03.Comment: 7 pages, 2 figures, submitted to PR

physical review letters

Measurements of Branching Fractions and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>-Violating Asymmetries in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo>→</mml:mo><mml:msup><mml:mi>ρ</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:msup><mml:mi>h</mml:mi><mml:mo>∓</mml:mo></mml:msup></mml:math>Decays

Measurements of Branching Fractions andCP-Violating Asymmetries inB0→ρ±h∓Decays