Abstract
Using the ARGUS detector at thee + e − storage ring DORIS II, we have measuredB decays into exclusive final states containing aD orD * meson plus several pions, or containing aJ/ψ or ψ′ meson plus a strange particle. Some of these channels have not been seen before, while others represent updated measurements of previous results. The branching ratios are compared with the predictions of the model of Bauer, Stech and Wirbel. Using the cleanest decay channels, the mass of the charged and neutralB meson are found to bem B −=(5280.5±1.0±2.0) MeV/c2 andm B 0=(5279.6±0.7±2.0) MeV/c2 respectively, yielding a mass differencem B 0−m B −=(−0.9±1.2±0.5) MeV/c2.
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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 054HD24P
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 Alexander v. Humboldt Stiftung, Bonn
Supported by Raziskovalna skupnost Slovenije and the Internationales Büro KfA, Jülich
Supported by the Swedish Research Council
Supported by the U.S. Department of Energy, under contract DE-AS09-80ER10690
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ARGUS Collaboration., Albrecht, H., Ehrlichmann, H. et al. Exclusive hadronic decays ofB mesons. Z. Phys. C - Particles and Fields 48, 543–551 (1990). https://doi.org/10.1007/BF01614687
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DOI: https://doi.org/10.1007/BF01614687