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HK: Physik der Hadronen und Kerne

HK 12: Poster Session: Electromagentic and Hadronic Probes

HK 12.16: Poster

Dienstag, 12. März 2002, 10:30–12:45, Foyer Chemie

Search for the Decay D_s^* → D_s π⁰ and Measurement of the Partial Widths Ratio Γ(D_s^* → D_s π⁰)/Γ(D_s^* → D_s γ) with BABAR — •Martin Dickopp — Inst. f. Kern- und Teilchenphysik, TU Dresden, 01062 Dresden

The search for the isospin violating decay D_s^* → D_s π⁰ in data accumulated with the BABAR detector located at the asymmetric e⁺ e⁻ storage facility PEP-II at SLAC is presented. Furthermore, the partial widths ratio Γ(D_s^* → D_s π⁰)/Γ(D_s^* → D_s γ) has been measured. The result improves the precision of a measurement by CLEO in 1995.