Abstract
Using the ARGUS detector at the storage ring DORIS II we have measured τ decays into three charged mesons containingK * mesons. Exploiting the good particle identification capabilities of the detector we have determined the following branching ratios:\(Br\left( {\tau ^ - \to \overline {K^{*0} } \pi ^ - v_\tau } \right) = \left( {0.25 \pm 0.10 \pm 0.05} \right)\% \),B r (τ−→K *0 K − v τ)= (0.20±0.05±0.04)%, andB r (τ−→K *− X 0 v τ) =(1.15±0.15−0.18 +0.13)%.
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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 056DD11P.
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 by the Natural Sciences and Engineering Research Council, Canada.
Supported by the German Bundesministerium für Forschung und Technologie, under contract number 055KA11P.
Supported by the Ministry of Science and Technology of the Republic of Slovenia and the Internationales Büro KfA, Jülich.
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ARGUS Collaboration., Albrecht, H., Hamacher, T. et al. Tau decays into K* mesons. Z. Phys. C - Particles and Fields 68, 215–220 (1995). https://doi.org/10.1007/BF01566669
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DOI: https://doi.org/10.1007/BF01566669