Search for rareB meson decays intoD s + mesons

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Abstract

A search has been performed for rareB meson decays intoD s mesons arising frombu transitions,W exchange modes,B + annihilation processes, and decays where theD s + is not produced via aWc \(\bar s\) quark pair coupling, using the ARGUS detector operating on the Ψ(4S) resonance at thee + e storage ring DORIS II. Upper limits for individual decay modes are obtained. In addition, from a study ofD s + - correlations an upper limit of BR (BD s + - X) (90% CL) is determined.

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 055DD11P
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 Natural 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