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Exclusive hadronic decays ofB mesons

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Zeitschrift für Physik C Particles and Fields

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 0m 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

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