Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
1999-01-10
AIP Conf.Proc. 459 (1999) 280-290
Physics
High Energy Physics
High Energy Physics - Experiment
A modified version of this paper was published in the proceedings of the "Workshop on Heavy Quarks at Fixes Targets" held at F
Scientific paper
10.1063/1.57752
A selection of recent results on hadronic charm and beauty decays from the CLEO experiment are presented. We report preliminary evidence for the existence of final state interactions in B decays and the first observation of the decay B0 -> D*+D*- with a branching fraction of (6.2^{+4.0}_{-2.9}+/- 1.0)x10^{-4}. We also present preliminary results on the first observation of the broad, J^P=1^+, charmed meson resonance with a mass of 2.461^{+0.041}_{-0.034}+/-0.010+/-0.032 GeV and a width of 290^{+101}_{-79}+/-26+/-36 MeV and branching fraction measurements of the B- -> D_J^0pi- decays. Finally, we report on search for the radial excitation of a spin 1 charmed meson, the D*'+, and on an improved measurement of the ratio of (D0 -> K+pi-)/(D0 -> K-pi^+) decay rates.
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