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Measurement of inclusiveB meson decays into baryons

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Zeitschrift für Physik C Particles and Fields

Abstract

The decay ofB mesons into the baryonsp, Λ andΞ has been studied. The measured inclusive branching ratios for these decays are Br(Bp X) =(8.2±0.5 +1.3−1.0 )%, Br(B→ΛX)=(4.2±0.5±0.6)% and Br(BΞ X)<0.51% at the 90% confidence level. In addition investigations onp \(\bar p\), andΛ \(\bar p\) andΛ \(\bar \Lambda \) correlations were performed, yielding an approximately equal rate of protons and neutrons. From this one can derive a total baryonic branching ratio Br(B→baryons) of (7.6±1.4)%.

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Now at Stadtwerke St. Gallen

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 054HD24P

Supported by the Natural Sciences and Engineering Research Council, Canada

Supported by the U.S. National Science Foundations

Supported by the German Bundesministerium für Forschung und Technologie, under contract number 054KA17P

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-AS09-80ER 10690

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ARGUS Collaboration., Albrecht, H., Böckmann, P. et al. Measurement of inclusiveB meson decays into baryons. Z. Phys. C - Particles and Fields 42, 519–525 (1989). https://doi.org/10.1007/BF01557656

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  • DOI: https://doi.org/10.1007/BF01557656

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