Study of color suppressed modes $B^0 \to \bar D^{(*)0} η^{(\prime)} $

Details Study of color suppressed modes $B^0 \to \bar D^{(*)0} η^{(\prime)} $ Study of color suppressed modes $B^0 \to \bar D^{(*)0} η^{(\prime)} $

2003-07-03

arxiv.org/abs/hep-ph/0307040v2

Phys.Rev. D68 (2003) 097502

Physics

High Energy Physics

High Energy Physics - Phenomenology

revtex, 5 pages, axodraw.sty

Scientific paper

10.1103/PhysRevD.68.097502

The color suppressed modes $B^0 \to \bar D^{(*)0} \eta^{(\prime)} $ are analyzed in perturbative QCD approach. We find that the dominant contribution is from the non-factorizable diagrams. The branching ratios calculated in our approach for $B^0 \to \bar D^{(*)0} \eta $ agree with current experiments. By neglecting the gluonic contribution, we predict the branching ratios of $B^0 \to \bar D^{(*)0} \eta'$ are at the comparable size of $B^0 \to \bar D^{(*)0} \pi^0$, but smaller than that of $B^0 \to \bar D^{(*)0} \eta $.

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