Abstract
The lifetime of theD s meson has been measured using the TASSO detector at PETRA and found to be (5.7 +3.6−2.6 ±0.9)×10−13 s. The method used was to reconstruct fully the decay vertex of the channelD s →ϕπ±, ϕ→K + K −.
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Supported by Bundesministerium für Forschung und Technologie
Supported by UK Science and Engineering Research Council
Supported by CAICYT
Supported by the Minerva Gesellschaft für Forschung GmbH
Supported by US Dept. of Energy, contract DE-AC02-76ER000881 and by US Nat. Sci. Foundation Grant no INT-8313994 for travel
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TASSO Collaboration., Braunschweig, W., Gerhards, R. et al. A measurement of theD s lifetime. Z. Phys. C - Particles and Fields 35, 317–321 (1987). https://doi.org/10.1007/BF01570766
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DOI: https://doi.org/10.1007/BF01570766