Abstract
Using the ARGUS detector at DORIS II, we have determined the branching ratios for the decays τ−→K *− v τ and τ−→ρ− v τ to be (1.23 ±0.21 +0.11−0.21 )% and (21.5±0.4±1.9)%, respectively. These results are in agreement with theoretical expectations based on the standard model.
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Supported by the German Bundesministerium für Forschung und Technologie, under the contract number 054DO51P
Supported by the German Bundesministerium für Forschung und Technologie, under the contract number 054HD24P
Supported by the Natural Sciences and Engineering Research Council, Canada
Supported by the U.S. National Science Foundation
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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Albrecht, H., Böckmann, P., Gläser, R. et al. Measurement of the decays τ−→K ⋆− v τ and τ−→ρ− v τ . Z. Phys. C - Particles and Fields 41, 1–5 (1988). https://doi.org/10.1007/BF01412572
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DOI: https://doi.org/10.1007/BF01412572