Measurement Of The Branching Ratios Gammad S D S Pi0 Gammad S D S Gamma And Gammad0 D0 Pi0 Gammad0 D0gamma
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Measurement of the Branching Ratios Gamma(D*+s -] D+s Pi0)/Gamma(D*+s -]D+s Gamma) and Gamma(D*0 -]D0 Pi0)/Gamma(D*0 -] D0gamma).
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Total Pages | : 7 |
Release | : 2005 |
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Data samples corresponding to the isospin-violating decay D*{sub s} → D{sub s}+?° and the decays D*{sub s}+ → D{sub s}+, D*° → D°?° and D*° → D°? are reconstructed using 90.4 fb−1 of data recorded by the BABAR detector at the PEP-II asymmetric-energy e+e− collider. The following branching ratios are extracted:?(D*{sub s}+ → D{sub s}+?°)/?(D*{sub s}+ → D{sub s}+?) = 0.062 ± 0.005(stat.) ± 0.006(syst.) and?(D*° → D°?°)/?(D*° → D°?) = 1.74 ± 0.02(stat.) ± 0.13(syst.). Both measurements represent significant improvements over present world averages.
Measurement of the Branching Ratios Gamma(D*+s -] D+s Pi0)/Gamma(D*+s -]D+s Gamma) and Gamma(D*0 -]D0 Pi0)/Gamma(D*0 -] D0gamma). Related Books
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