Abstract
The decay\(D^0 \to \bar K^0 \phi \) has been investigated using data accumulated by the ARGUS experiment, which operates at around 10 GeV centre-of-mass energies The decay\(D^0 \to \bar K^0 \phi \) is a signature for flavor annihilation byW-exchange in weak decays. It is shown that this decay occurs at (15.5±3.3)% of the rate for the well established decay\(D^0 \to \bar K^0 \phi \) π + π −. This translates into a branching ratio for\(D^0 \to \bar K^0 \phi \) of (1.18±0.25±0.17)%
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Supported by the Bundesministerium für Forschung und Technologie, FRG
Supported by the Natural Sciences and Engineering Research Council, Canada
Supported by the U.S. National Science Foundation, USA
Suported by Raziskovalna skupnost Slovenije, the Internationales Büro KfA, Jülich and DESY, Hamburg, FRG
Supported by the Swedish Research Council, Sweden
Supported by the U.S. Department of Energy, under contract DE-AS09-80ER10690, USA
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ARGUS Collaboration., Albrecht, H., Binder, U. et al. The decay\(D^0 \to \bar K^0 \phi \) . Z. Phys. C - Particles and Fields 33, 359–362 (1987). https://doi.org/10.1007/BF01552541
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DOI: https://doi.org/10.1007/BF01552541