New results onD 0 decays

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Abstract

Using the ARGUS detector at thee + e storage ring DORIS II, we have studied nine decay modes of theD 0 meson. In addition to a higher-precision determination of the branching ratios for these modes, several new channels, the decays $D^0 \to \bar K^0 \eta '$ , $D^0 \to \bar K^{*0} \omega $ and $D^0 \to \bar K\pi ^ + \omega $ , have been observed for the first time.

Supported in part by the Institute of Physics, University of Lund, Sweden
Supported by the German Bundesministerium für Forschung und Technologie, under contract number 054DO51P
Supported by the German Bundesministerium für Forschung und Technologie, under contract number 054ER12P
Supported by the German Bundesministerium für Forschung und Technologie, under contract number 055HD21P
Supported in part by the Walter C, Sumner Foundation
Supported by the National Sciences and Engineering Research Council, Canada
Supported by the German Bundesministerium für Forschung und Technologie, under contract number 054KA17P
Supported by the Department of Science and Technology of the Republic of Slovenia and the Internationales Büro KfA, Jülich
Supported by the Swedish Research Council
Supported in part by the International Technology Center BINITEC, Moscow, Russia