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[en] Using the ARGUS detector at the DORIS II electron-positron storage ring at DESY, we have measured BR(D*+→D0π+)=(68.8±3.6±1.9)%. BR(D*+→D+π0)=(31.2±1.6±1.0)%, BR(D*+→D+γ)<5.2% (90%CL). BR(D*0→D0π0)=(59.6±3.5±2.8)%, and BR(D*0→D0γ)=(40.4±3.5±2.8)%, and the mass difference Δm0= m(D*0)-m(D0)=(142.2±0.3±0.2)MeV/c2. (orig.)
Source
Jul 1994; 22 p; ISSN 0418-9833; 