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Measurement of the Ratios of Branching Fractions B(Bs0->Ds-π+)/B(B0->Dπ+) and B(B+->D0π+)/B(B0->Dπ+)

CollaborationWith : Campanelli, Mario / Clark, Allan Geoffrey / D'Onofrio, Monica / Donega, Mauro / Lister, Alison / Liu, Yanwen / Vallecorsa, Sofia / Wu, Xin
Published in Physical Review Letters. 2006, vol. 96, no. 19, p. 191801
Abstract We report an observation of the decay B0s→D−sπ+ in pp collisions at s√=1.96  TeV using 115  pb−1 of data collected by the CDF II detector at the Fermilab Tevatron. We observe 83±11(stat) B0s→D−sπ+ candidates, representing a large increase in statistics over previous measurements and the first observation of this decay at a pp collider. We present the first measurement of the relative branching fraction B(B0s→D−sπ+)/B(B0→D−π+)=1.32±0.18(stat)±0.38(syst). We also measure B(B+→D0π+)/B(B0→D−π+)=1.97±0.10(stat)±0.21(syst), which is consistent with previous measurements
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CDF COLLABORATION. Measurement of the Ratios of Branching Fractions B(Bs0->Ds-π+)/B(B0->Dπ+) and B(B+->D0π+)/B(B0->Dπ+). In: Physical Review Letters, 2006, vol. 96, n° 19, p. 191801. https://archive-ouverte.unige.ch/unige:38319

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Deposited on : 2014-06-30

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