Measurement of the decay D* s2 + (2573) → D0K+
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Abstract
Using the ARGUS detector at the e+e− storage ring DORIS II at DESY we have measured the parameters of a charmed strange meson D* s2 + (2573) decaying into D0K+. The mass of this state was found to be (2574.5±3.3±1.6) MeV/c 2. The measured value of its width is (10.4±8.3±3.0) MeV and the product of the production cross section and branching ratio for this channel was determined to be (10.6±4.2 −1.2 +2.3 ) pb.
Keywords
Invariant Mass Fragmentation Function Invariant Mass Distribution Invariant Mass Spectrum Natural Width
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