A. Zupanc, for the Belle Collaboration
Published 2007-03-27, updated 2007-04-14Version 2
We reconstruct B0bar --> Ds-D+ decays using a sample of 449 x 10^6 BBbar pairs recorded by the Belle experiment, and measure the branching fraction to be Br(B0bar --> Ds-D+)=[7.5 +- 0.2(stat) +- 0.8(syst) +- 0.8(Br's)] x 10^(-3). A search for the related decay B0bar --> Ds+Ds- is also performed. Since we observe no statistically significant signal an upper limit on the branching fraction is set at 3.6 x 10^(-5) (90% C.L.).
Comments: 7 pages, 2 figures, Submitted to Physical Review D, Rapid Communications
Journal: Phys.Rev.D75:091102,2007
Improved measurement of B0bar -> D_s^-D^+ and search for B0bar -> D_s^+D_s^- at Belle
Measurement of Branching Fraction and Dalitz Distribution for B0->D(*)+/- K0 pi-/+ Decays
Measurement of the branching fraction and search for $CP$ violation in $D^0\rightarrow K^0_S\,K^0_S\,π^+π^-$ decays at Belle
